/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-6253b08 [2021-05-06 09:50:01,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-06 09:50:01,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-06 09:50:01,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-06 09:50:01,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-06 09:50:01,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-06 09:50:01,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-06 09:50:01,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-06 09:50:01,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-06 09:50:01,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-06 09:50:01,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-06 09:50:01,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-06 09:50:01,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-06 09:50:01,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-06 09:50:01,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-06 09:50:01,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-06 09:50:01,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-06 09:50:01,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-06 09:50:01,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-06 09:50:01,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-06 09:50:01,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-06 09:50:01,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-06 09:50:01,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-06 09:50:01,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-06 09:50:01,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-06 09:50:01,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-06 09:50:01,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-06 09:50:01,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-06 09:50:01,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-06 09:50:01,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-06 09:50:01,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-06 09:50:01,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-06 09:50:01,267 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-06 09:50:01,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-06 09:50:01,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-06 09:50:01,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-06 09:50:01,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-06 09:50:01,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-06 09:50:01,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-06 09:50:01,269 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-06 09:50:01,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-06 09:50:01,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-06 09:50:01,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-06 09:50:01,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-06 09:50:01,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-06 09:50:01,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-06 09:50:01,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-06 09:50:01,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 09:50:01,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-06 09:50:01,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-06 09:50:01,272 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-06 09:50:01,272 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-06 09:50:01,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-06 09:50:01,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-06 09:50:01,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-06 09:50:01,600 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-06 09:50:01,601 INFO L275 PluginConnector]: CDTParser initialized [2021-05-06 09:50:01,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c [2021-05-06 09:50:01,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ded19687/5ffef2f446c14a3faa28aedadd6bc9a6/FLAG7bc4ca532 [2021-05-06 09:50:02,012 INFO L306 CDTParser]: Found 1 translation units. [2021-05-06 09:50:02,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c [2021-05-06 09:50:02,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ded19687/5ffef2f446c14a3faa28aedadd6bc9a6/FLAG7bc4ca532 [2021-05-06 09:50:02,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ded19687/5ffef2f446c14a3faa28aedadd6bc9a6 [2021-05-06 09:50:02,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-06 09:50:02,034 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-06 09:50:02,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-06 09:50:02,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-06 09:50:02,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-06 09:50:02,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 09:50:02" (1/1) ... [2021-05-06 09:50:02,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f767e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:50:02, skipping insertion in model container [2021-05-06 09:50:02,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 09:50:02" (1/1) ... [2021-05-06 09:50:02,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-06 09:50:02,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-06 09:50:02,173 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c[573,586] [2021-05-06 09:50:02,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 09:50:02,195 INFO L203 MainTranslator]: Completed pre-run [2021-05-06 09:50:02,205 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound100.c[573,586] [2021-05-06 09:50:02,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 09:50:02,233 INFO L208 MainTranslator]: Completed translation [2021-05-06 09:50:02,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:50:02 WrapperNode [2021-05-06 09:50:02,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-06 09:50:02,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-06 09:50:02,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-06 09:50:02,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-06 09:50:02,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:50:02" (1/1) ... [2021-05-06 09:50:02,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:50:02" (1/1) ... [2021-05-06 09:50:02,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:50:02" (1/1) ... [2021-05-06 09:50:02,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:50:02" (1/1) ... [2021-05-06 09:50:02,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:50:02" (1/1) ... [2021-05-06 09:50:02,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:50:02" (1/1) ... [2021-05-06 09:50:02,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:50:02" (1/1) ... [2021-05-06 09:50:02,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-06 09:50:02,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-06 09:50:02,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-06 09:50:02,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-06 09:50:02,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:50:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 09:50:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-06 09:50:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-06 09:50:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-06 09:50:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-06 09:50:02,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-06 09:50:02,382 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-06 09:50:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-06 09:50:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-06 09:50:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-06 09:50:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-06 09:50:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-06 09:50:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-06 09:50:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-06 09:50:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-06 09:50:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-06 09:50:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-06 09:50:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-06 09:50:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-06 09:50:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-06 09:50:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-06 09:50:02,678 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-06 09:50:02,678 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-06 09:50:02,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 09:50:02 BoogieIcfgContainer [2021-05-06 09:50:02,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-06 09:50:02,680 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-06 09:50:02,680 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-06 09:50:02,681 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-06 09:50:02,683 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 09:50:02" (1/1) ... [2021-05-06 09:50:02,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.05 09:50:02 BasicIcfg [2021-05-06 09:50:02,705 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-06 09:50:02,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-06 09:50:02,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-06 09:50:02,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-06 09:50:02,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 09:50:02" (1/4) ... [2021-05-06 09:50:02,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5261064d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 09:50:02, skipping insertion in model container [2021-05-06 09:50:02,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:50:02" (2/4) ... [2021-05-06 09:50:02,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5261064d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 09:50:02, skipping insertion in model container [2021-05-06 09:50:02,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 09:50:02" (3/4) ... [2021-05-06 09:50:02,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5261064d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 09:50:02, skipping insertion in model container [2021-05-06 09:50:02,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.05 09:50:02" (4/4) ... [2021-05-06 09:50:02,710 INFO L111 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound100.cJordan [2021-05-06 09:50:02,731 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-06 09:50:02,734 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-06 09:50:02,748 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-06 09:50:02,762 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-06 09:50:02,762 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-06 09:50:02,763 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-06 09:50:02,763 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-06 09:50:02,763 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-06 09:50:02,763 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-06 09:50:02,763 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-06 09:50:02,763 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-06 09:50:02,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-06 09:50:02,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-05-06 09:50:02,779 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:02,779 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:02,780 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:02,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:02,784 INFO L82 PathProgramCache]: Analyzing trace with hash 734203501, now seen corresponding path program 1 times [2021-05-06 09:50:02,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:02,791 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698577865] [2021-05-06 09:50:02,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:02,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 09:50:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:03,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-06 09:50:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:03,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-06 09:50:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:03,021 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:03,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698577865] [2021-05-06 09:50:03,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698577865] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 09:50:03,022 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 09:50:03,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-06 09:50:03,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404373429] [2021-05-06 09:50:03,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-06 09:50:03,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:03,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-06 09:50:03,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-06 09:50:03,039 INFO L87 Difference]: Start difference. First operand has 30 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-06 09:50:03,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:03,107 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2021-05-06 09:50:03,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-06 09:50:03,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2021-05-06 09:50:03,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:03,115 INFO L225 Difference]: With dead ends: 31 [2021-05-06 09:50:03,115 INFO L226 Difference]: Without dead ends: 26 [2021-05-06 09:50:03,116 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 58.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-06 09:50:03,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-05-06 09:50:03,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-05-06 09:50:03,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-06 09:50:03,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-05-06 09:50:03,142 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 22 [2021-05-06 09:50:03,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:03,143 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-05-06 09:50:03,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-06 09:50:03,143 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-05-06 09:50:03,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-05-06 09:50:03,144 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:03,144 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:03,145 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-06 09:50:03,145 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:03,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:03,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1669026344, now seen corresponding path program 1 times [2021-05-06 09:50:03,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:03,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461073701] [2021-05-06 09:50:03,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:03,164 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:03,165 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [680179928] [2021-05-06 09:50:03,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:03,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjunts are in the unsatisfiable core [2021-05-06 09:50:03,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:03,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:03,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:03,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:03,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:03,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:03,448 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:03,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461073701] [2021-05-06 09:50:03,448 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:03,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680179928] [2021-05-06 09:50:03,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680179928] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 09:50:03,449 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 09:50:03,449 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-06 09:50:03,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451740145] [2021-05-06 09:50:03,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-06 09:50:03,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:03,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-06 09:50:03,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-06 09:50:03,451 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-06 09:50:03,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:03,467 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2021-05-06 09:50:03,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-06 09:50:03,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-05-06 09:50:03,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:03,470 INFO L225 Difference]: With dead ends: 27 [2021-05-06 09:50:03,471 INFO L226 Difference]: Without dead ends: 27 [2021-05-06 09:50:03,473 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-06 09:50:03,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-05-06 09:50:03,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-05-06 09:50:03,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-06 09:50:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-05-06 09:50:03,484 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 23 [2021-05-06 09:50:03,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:03,486 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-05-06 09:50:03,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-06 09:50:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-05-06 09:50:03,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-05-06 09:50:03,489 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:03,490 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:03,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-06 09:50:03,715 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:03,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:03,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1667953868, now seen corresponding path program 1 times [2021-05-06 09:50:03,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:03,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085815892] [2021-05-06 09:50:03,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:03,731 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:03,731 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080742860] [2021-05-06 09:50:03,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:03,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 14 conjunts are in the unsatisfiable core [2021-05-06 09:50:03,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:03,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:03,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:03,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:03,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-06 09:50:03,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:03,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085815892] [2021-05-06 09:50:03,938 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:03,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080742860] [2021-05-06 09:50:03,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080742860] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 09:50:03,939 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 09:50:03,939 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-06 09:50:03,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105426949] [2021-05-06 09:50:03,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-06 09:50:03,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:03,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-06 09:50:03,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-05-06 09:50:03,941 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-05-06 09:50:04,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:04,037 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2021-05-06 09:50:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-06 09:50:04,038 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2021-05-06 09:50:04,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:04,039 INFO L225 Difference]: With dead ends: 35 [2021-05-06 09:50:04,039 INFO L226 Difference]: Without dead ends: 35 [2021-05-06 09:50:04,040 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 65.3ms TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-05-06 09:50:04,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-05-06 09:50:04,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2021-05-06 09:50:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-06 09:50:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2021-05-06 09:50:04,045 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 23 [2021-05-06 09:50:04,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:04,046 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2021-05-06 09:50:04,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-05-06 09:50:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2021-05-06 09:50:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-05-06 09:50:04,047 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:04,047 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:04,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:04,274 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:04,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:04,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1179905874, now seen corresponding path program 1 times [2021-05-06 09:50:04,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:04,275 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065124604] [2021-05-06 09:50:04,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:04,290 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:04,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1387117934] [2021-05-06 09:50:04,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:04,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2021-05-06 09:50:04,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:04,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:04,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:04,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:04,542 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:04,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065124604] [2021-05-06 09:50:04,542 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:04,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387117934] [2021-05-06 09:50:04,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387117934] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:04,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:04,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-05-06 09:50:04,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349429164] [2021-05-06 09:50:04,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-06 09:50:04,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:04,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-06 09:50:04,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-05-06 09:50:04,544 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-05-06 09:50:04,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:04,614 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2021-05-06 09:50:04,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-06 09:50:04,615 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2021-05-06 09:50:04,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:04,617 INFO L225 Difference]: With dead ends: 37 [2021-05-06 09:50:04,617 INFO L226 Difference]: Without dead ends: 34 [2021-05-06 09:50:04,617 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 57.6ms TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-05-06 09:50:04,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-05-06 09:50:04,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2021-05-06 09:50:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-06 09:50:04,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2021-05-06 09:50:04,621 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 29 [2021-05-06 09:50:04,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:04,621 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2021-05-06 09:50:04,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-05-06 09:50:04,621 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2021-05-06 09:50:04,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-05-06 09:50:04,622 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:04,622 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:04,846 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:04,846 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:04,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:04,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1668946595, now seen corresponding path program 1 times [2021-05-06 09:50:04,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:04,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239618383] [2021-05-06 09:50:04,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:04,863 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:04,863 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2043381067] [2021-05-06 09:50:04,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:04,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-06 09:50:04,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:04,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:04,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:04,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:04,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:04,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:04,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:04,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:04,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:05,015 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:05,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239618383] [2021-05-06 09:50:05,018 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:05,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043381067] [2021-05-06 09:50:05,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043381067] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:05,019 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:05,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-05-06 09:50:05,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881673326] [2021-05-06 09:50:05,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-06 09:50:05,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:05,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-06 09:50:05,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-05-06 09:50:05,021 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-06 09:50:05,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:05,062 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2021-05-06 09:50:05,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-06 09:50:05,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 32 [2021-05-06 09:50:05,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:05,065 INFO L225 Difference]: With dead ends: 38 [2021-05-06 09:50:05,065 INFO L226 Difference]: Without dead ends: 38 [2021-05-06 09:50:05,068 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.4ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-05-06 09:50:05,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-05-06 09:50:05,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-05-06 09:50:05,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-06 09:50:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2021-05-06 09:50:05,078 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 32 [2021-05-06 09:50:05,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:05,079 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2021-05-06 09:50:05,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-06 09:50:05,079 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2021-05-06 09:50:05,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-05-06 09:50:05,081 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:05,081 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:05,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:05,297 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:05,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:05,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1377493560, now seen corresponding path program 2 times [2021-05-06 09:50:05,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:05,298 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871907706] [2021-05-06 09:50:05,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:05,307 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:05,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [260541566] [2021-05-06 09:50:05,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:05,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:50:05,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:05,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2021-05-06 09:50:05,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:05,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:05,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:05,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871907706] [2021-05-06 09:50:05,512 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:05,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260541566] [2021-05-06 09:50:05,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260541566] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:05,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:05,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-05-06 09:50:05,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262413776] [2021-05-06 09:50:05,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-06 09:50:05,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:05,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-06 09:50:05,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-05-06 09:50:05,514 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 5 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-06 09:50:05,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:05,568 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2021-05-06 09:50:05,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-06 09:50:05,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 5 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 41 [2021-05-06 09:50:05,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:05,570 INFO L225 Difference]: With dead ends: 47 [2021-05-06 09:50:05,570 INFO L226 Difference]: Without dead ends: 47 [2021-05-06 09:50:05,570 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 32.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-06 09:50:05,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-05-06 09:50:05,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-05-06 09:50:05,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-06 09:50:05,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2021-05-06 09:50:05,574 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 41 [2021-05-06 09:50:05,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:05,574 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2021-05-06 09:50:05,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 5 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-06 09:50:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-05-06 09:50:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-05-06 09:50:05,575 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:05,576 INFO L523 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:05,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-05-06 09:50:05,798 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:05,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:05,798 INFO L82 PathProgramCache]: Analyzing trace with hash 489214531, now seen corresponding path program 3 times [2021-05-06 09:50:05,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:05,799 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801265224] [2021-05-06 09:50:05,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:05,824 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:05,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [314922154] [2021-05-06 09:50:05,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:05,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-05-06 09:50:05,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:05,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-06 09:50:05,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:05,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:05,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,072 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:06,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:06,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801265224] [2021-05-06 09:50:06,072 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:06,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314922154] [2021-05-06 09:50:06,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314922154] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:06,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:06,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-05-06 09:50:06,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466247938] [2021-05-06 09:50:06,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-06 09:50:06,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:06,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-06 09:50:06,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-05-06 09:50:06,075 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 6 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2021-05-06 09:50:06,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:06,143 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2021-05-06 09:50:06,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-06 09:50:06,144 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 6 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 50 [2021-05-06 09:50:06,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:06,146 INFO L225 Difference]: With dead ends: 56 [2021-05-06 09:50:06,146 INFO L226 Difference]: Without dead ends: 56 [2021-05-06 09:50:06,146 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 39.1ms TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-05-06 09:50:06,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-05-06 09:50:06,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-05-06 09:50:06,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-05-06 09:50:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2021-05-06 09:50:06,160 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 50 [2021-05-06 09:50:06,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:06,160 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2021-05-06 09:50:06,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 6 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2021-05-06 09:50:06,161 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2021-05-06 09:50:06,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-05-06 09:50:06,169 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:06,169 INFO L523 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:06,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:06,382 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:06,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:06,383 INFO L82 PathProgramCache]: Analyzing trace with hash -906969448, now seen corresponding path program 4 times [2021-05-06 09:50:06,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:06,383 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681543932] [2021-05-06 09:50:06,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:06,390 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:06,391 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [763320223] [2021-05-06 09:50:06,391 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:06,455 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:50:06,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:06,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 13 conjunts are in the unsatisfiable core [2021-05-06 09:50:06,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:06,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:06,614 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:06,615 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:06,615 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681543932] [2021-05-06 09:50:06,615 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:06,615 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763320223] [2021-05-06 09:50:06,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763320223] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:06,615 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:06,615 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-05-06 09:50:06,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698028564] [2021-05-06 09:50:06,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-06 09:50:06,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:06,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-06 09:50:06,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-05-06 09:50:06,617 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 7 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2021-05-06 09:50:06,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:06,697 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2021-05-06 09:50:06,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-06 09:50:06,697 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 7 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) Word has length 59 [2021-05-06 09:50:06,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:06,698 INFO L225 Difference]: With dead ends: 65 [2021-05-06 09:50:06,698 INFO L226 Difference]: Without dead ends: 65 [2021-05-06 09:50:06,699 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 55.5ms TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2021-05-06 09:50:06,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-05-06 09:50:06,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-05-06 09:50:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-05-06 09:50:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2021-05-06 09:50:06,703 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 59 [2021-05-06 09:50:06,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:06,703 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2021-05-06 09:50:06,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 7 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2021-05-06 09:50:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2021-05-06 09:50:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-05-06 09:50:06,704 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:06,704 INFO L523 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:06,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:06,913 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:06,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:06,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1572135395, now seen corresponding path program 5 times [2021-05-06 09:50:06,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:06,914 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957434157] [2021-05-06 09:50:06,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:06,924 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:06,924 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1112384300] [2021-05-06 09:50:06,924 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:07,002 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-06 09:50:07,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:07,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 15 conjunts are in the unsatisfiable core [2021-05-06 09:50:07,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:07,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,202 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:07,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:07,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957434157] [2021-05-06 09:50:07,203 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:07,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112384300] [2021-05-06 09:50:07,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112384300] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:07,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:07,203 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-05-06 09:50:07,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874888636] [2021-05-06 09:50:07,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-06 09:50:07,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:07,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-06 09:50:07,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-05-06 09:50:07,204 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 8 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2021-05-06 09:50:07,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:07,297 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2021-05-06 09:50:07,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-06 09:50:07,298 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 8 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 68 [2021-05-06 09:50:07,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:07,301 INFO L225 Difference]: With dead ends: 74 [2021-05-06 09:50:07,301 INFO L226 Difference]: Without dead ends: 74 [2021-05-06 09:50:07,301 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 63.4ms TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2021-05-06 09:50:07,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-05-06 09:50:07,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-05-06 09:50:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 54 states have internal predecessors, (61), 11 states have call successors, (11), 10 states have call predecessors, (11), 8 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-05-06 09:50:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2021-05-06 09:50:07,318 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 68 [2021-05-06 09:50:07,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:07,318 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2021-05-06 09:50:07,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 8 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2021-05-06 09:50:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2021-05-06 09:50:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-05-06 09:50:07,319 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:07,319 INFO L523 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:07,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-05-06 09:50:07,520 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:07,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:07,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1651262200, now seen corresponding path program 6 times [2021-05-06 09:50:07,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:07,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475189701] [2021-05-06 09:50:07,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:07,528 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:07,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1249577781] [2021-05-06 09:50:07,529 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:07,616 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-05-06 09:50:07,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:07,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-06 09:50:07,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:07,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:07,793 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 12 proven. 147 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:07,794 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:07,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475189701] [2021-05-06 09:50:07,794 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:07,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249577781] [2021-05-06 09:50:07,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249577781] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:07,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:07,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-05-06 09:50:07,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079716968] [2021-05-06 09:50:07,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-06 09:50:07,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:07,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-06 09:50:07,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-05-06 09:50:07,796 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 9 states have call successors, (11), 9 states have call predecessors, (11), 7 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2021-05-06 09:50:07,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:07,893 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2021-05-06 09:50:07,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-06 09:50:07,893 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 9 states have call successors, (11), 9 states have call predecessors, (11), 7 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) Word has length 77 [2021-05-06 09:50:07,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:07,894 INFO L225 Difference]: With dead ends: 83 [2021-05-06 09:50:07,894 INFO L226 Difference]: Without dead ends: 83 [2021-05-06 09:50:07,894 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 80.1ms TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2021-05-06 09:50:07,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-05-06 09:50:07,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-05-06 09:50:07,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 61 states have (on average 1.1311475409836065) internal successors, (69), 61 states have internal predecessors, (69), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-05-06 09:50:07,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2021-05-06 09:50:07,901 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 77 [2021-05-06 09:50:07,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:07,902 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2021-05-06 09:50:07,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 9 states have call successors, (11), 9 states have call predecessors, (11), 7 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2021-05-06 09:50:07,902 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2021-05-06 09:50:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-05-06 09:50:07,903 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:07,903 INFO L523 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:08,104 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:08,105 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:08,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:08,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1720170109, now seen corresponding path program 7 times [2021-05-06 09:50:08,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:08,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952626763] [2021-05-06 09:50:08,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:08,111 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:08,112 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1370678723] [2021-05-06 09:50:08,112 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:08,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-06 09:50:08,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:08,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 14 proven. 203 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:08,424 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:08,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952626763] [2021-05-06 09:50:08,424 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:08,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370678723] [2021-05-06 09:50:08,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370678723] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:08,425 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:08,425 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-05-06 09:50:08,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078983556] [2021-05-06 09:50:08,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-06 09:50:08,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:08,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-06 09:50:08,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-05-06 09:50:08,426 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 10 states have call successors, (12), 10 states have call predecessors, (12), 8 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2021-05-06 09:50:08,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:08,546 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2021-05-06 09:50:08,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-06 09:50:08,547 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 10 states have call successors, (12), 10 states have call predecessors, (12), 8 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) Word has length 86 [2021-05-06 09:50:08,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:08,548 INFO L225 Difference]: With dead ends: 92 [2021-05-06 09:50:08,548 INFO L226 Difference]: Without dead ends: 92 [2021-05-06 09:50:08,548 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 115.8ms TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2021-05-06 09:50:08,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-05-06 09:50:08,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-05-06 09:50:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 68 states have internal predecessors, (77), 13 states have call successors, (13), 12 states have call predecessors, (13), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-05-06 09:50:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2021-05-06 09:50:08,552 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 86 [2021-05-06 09:50:08,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:08,552 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2021-05-06 09:50:08,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 10 states have call successors, (12), 10 states have call predecessors, (12), 8 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2021-05-06 09:50:08,553 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2021-05-06 09:50:08,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-06 09:50:08,553 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:08,553 INFO L523 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:08,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:08,769 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:08,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:08,769 INFO L82 PathProgramCache]: Analyzing trace with hash -327979176, now seen corresponding path program 8 times [2021-05-06 09:50:08,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:08,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805373555] [2021-05-06 09:50:08,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:08,778 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:08,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2035824124] [2021-05-06 09:50:08,778 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:08,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:50:08,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:08,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 21 conjunts are in the unsatisfiable core [2021-05-06 09:50:08,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:08,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:08,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,109 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 16 proven. 268 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:09,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:09,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805373555] [2021-05-06 09:50:09,110 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:09,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035824124] [2021-05-06 09:50:09,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035824124] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:09,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:09,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-05-06 09:50:09,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656497269] [2021-05-06 09:50:09,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-06 09:50:09,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:09,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-06 09:50:09,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-05-06 09:50:09,112 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 11 states have call successors, (13), 11 states have call predecessors, (13), 9 states have return successors, (11), 9 states have call predecessors, (11), 10 states have call successors, (11) [2021-05-06 09:50:09,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:09,266 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2021-05-06 09:50:09,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-06 09:50:09,266 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 11 states have call successors, (13), 11 states have call predecessors, (13), 9 states have return successors, (11), 9 states have call predecessors, (11), 10 states have call successors, (11) Word has length 95 [2021-05-06 09:50:09,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:09,267 INFO L225 Difference]: With dead ends: 101 [2021-05-06 09:50:09,267 INFO L226 Difference]: Without dead ends: 101 [2021-05-06 09:50:09,268 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 123.9ms TimeCoverageRelationStatistics Valid=145, Invalid=235, Unknown=0, NotChecked=0, Total=380 [2021-05-06 09:50:09,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-05-06 09:50:09,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-05-06 09:50:09,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 75 states have internal predecessors, (85), 14 states have call successors, (14), 13 states have call predecessors, (14), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-05-06 09:50:09,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 111 transitions. [2021-05-06 09:50:09,275 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 111 transitions. Word has length 95 [2021-05-06 09:50:09,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:09,275 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 111 transitions. [2021-05-06 09:50:09,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 11 states have call successors, (13), 11 states have call predecessors, (13), 9 states have return successors, (11), 9 states have call predecessors, (11), 10 states have call successors, (11) [2021-05-06 09:50:09,275 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 111 transitions. [2021-05-06 09:50:09,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-05-06 09:50:09,276 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:09,276 INFO L523 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:09,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-05-06 09:50:09,497 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:09,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:09,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1572009693, now seen corresponding path program 9 times [2021-05-06 09:50:09,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:09,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067152352] [2021-05-06 09:50:09,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:09,504 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:09,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749237811] [2021-05-06 09:50:09,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:09,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-05-06 09:50:09,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:09,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 23 conjunts are in the unsatisfiable core [2021-05-06 09:50:09,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:09,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 342 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:09,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:09,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067152352] [2021-05-06 09:50:09,871 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:09,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749237811] [2021-05-06 09:50:09,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749237811] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:09,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:09,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-05-06 09:50:09,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855444036] [2021-05-06 09:50:09,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-06 09:50:09,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:09,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-06 09:50:09,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2021-05-06 09:50:09,872 INFO L87 Difference]: Start difference. First operand 101 states and 111 transitions. Second operand has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 12 states have internal predecessors, (75), 12 states have call successors, (14), 12 states have call predecessors, (14), 10 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2021-05-06 09:50:10,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:10,017 INFO L93 Difference]: Finished difference Result 110 states and 121 transitions. [2021-05-06 09:50:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-06 09:50:10,018 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 12 states have internal predecessors, (75), 12 states have call successors, (14), 12 states have call predecessors, (14), 10 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) Word has length 104 [2021-05-06 09:50:10,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:10,019 INFO L225 Difference]: With dead ends: 110 [2021-05-06 09:50:10,019 INFO L226 Difference]: Without dead ends: 110 [2021-05-06 09:50:10,019 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 135.7ms TimeCoverageRelationStatistics Valid=176, Invalid=286, Unknown=0, NotChecked=0, Total=462 [2021-05-06 09:50:10,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-05-06 09:50:10,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-05-06 09:50:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 82 states have (on average 1.1341463414634145) internal successors, (93), 82 states have internal predecessors, (93), 15 states have call successors, (15), 14 states have call predecessors, (15), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-05-06 09:50:10,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 121 transitions. [2021-05-06 09:50:10,023 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 121 transitions. Word has length 104 [2021-05-06 09:50:10,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:10,023 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 121 transitions. [2021-05-06 09:50:10,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 12 states have internal predecessors, (75), 12 states have call successors, (14), 12 states have call predecessors, (14), 10 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2021-05-06 09:50:10,023 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 121 transitions. [2021-05-06 09:50:10,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-05-06 09:50:10,024 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:10,024 INFO L523 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:10,236 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-05-06 09:50:10,237 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:10,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:10,237 INFO L82 PathProgramCache]: Analyzing trace with hash 191644600, now seen corresponding path program 10 times [2021-05-06 09:50:10,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:10,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760925428] [2021-05-06 09:50:10,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:10,249 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:10,249 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [444906640] [2021-05-06 09:50:10,249 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:10,325 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:50:10,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:10,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-06 09:50:10,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:10,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:10,617 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 20 proven. 425 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:10,617 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:10,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760925428] [2021-05-06 09:50:10,617 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:10,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444906640] [2021-05-06 09:50:10,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444906640] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:10,618 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:10,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2021-05-06 09:50:10,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850731951] [2021-05-06 09:50:10,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-05-06 09:50:10,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:10,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-05-06 09:50:10,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-05-06 09:50:10,619 INFO L87 Difference]: Start difference. First operand 110 states and 121 transitions. Second operand has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 13 states have internal predecessors, (82), 13 states have call successors, (15), 13 states have call predecessors, (15), 11 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2021-05-06 09:50:10,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:10,787 INFO L93 Difference]: Finished difference Result 119 states and 131 transitions. [2021-05-06 09:50:10,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-06 09:50:10,788 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 13 states have internal predecessors, (82), 13 states have call successors, (15), 13 states have call predecessors, (15), 11 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) Word has length 113 [2021-05-06 09:50:10,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:10,790 INFO L225 Difference]: With dead ends: 119 [2021-05-06 09:50:10,790 INFO L226 Difference]: Without dead ends: 119 [2021-05-06 09:50:10,791 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 177.8ms TimeCoverageRelationStatistics Valid=210, Invalid=342, Unknown=0, NotChecked=0, Total=552 [2021-05-06 09:50:10,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-05-06 09:50:10,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-05-06 09:50:10,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 89 states have (on average 1.1348314606741574) internal successors, (101), 89 states have internal predecessors, (101), 16 states have call successors, (16), 15 states have call predecessors, (16), 13 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-05-06 09:50:10,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 131 transitions. [2021-05-06 09:50:10,796 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 131 transitions. Word has length 113 [2021-05-06 09:50:10,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:10,796 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 131 transitions. [2021-05-06 09:50:10,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 13 states have internal predecessors, (82), 13 states have call successors, (15), 13 states have call predecessors, (15), 11 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2021-05-06 09:50:10,796 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 131 transitions. [2021-05-06 09:50:10,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-05-06 09:50:10,797 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:10,797 INFO L523 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:11,012 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-05-06 09:50:11,013 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:11,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:11,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1200431299, now seen corresponding path program 11 times [2021-05-06 09:50:11,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:11,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606315025] [2021-05-06 09:50:11,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:11,024 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:11,025 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2144814365] [2021-05-06 09:50:11,025 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:11,115 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-05-06 09:50:11,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:11,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 27 conjunts are in the unsatisfiable core [2021-05-06 09:50:11,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:11,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:11,450 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 22 proven. 517 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:11,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:11,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606315025] [2021-05-06 09:50:11,450 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:11,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144814365] [2021-05-06 09:50:11,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144814365] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:11,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:11,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-05-06 09:50:11,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792907177] [2021-05-06 09:50:11,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-06 09:50:11,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:11,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-06 09:50:11,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2021-05-06 09:50:11,453 INFO L87 Difference]: Start difference. First operand 119 states and 131 transitions. Second operand has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 14 states have internal predecessors, (89), 14 states have call successors, (16), 14 states have call predecessors, (16), 12 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) [2021-05-06 09:50:11,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:11,647 INFO L93 Difference]: Finished difference Result 128 states and 141 transitions. [2021-05-06 09:50:11,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-06 09:50:11,647 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 14 states have internal predecessors, (89), 14 states have call successors, (16), 14 states have call predecessors, (16), 12 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) Word has length 122 [2021-05-06 09:50:11,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:11,648 INFO L225 Difference]: With dead ends: 128 [2021-05-06 09:50:11,648 INFO L226 Difference]: Without dead ends: 128 [2021-05-06 09:50:11,650 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 203.7ms TimeCoverageRelationStatistics Valid=247, Invalid=403, Unknown=0, NotChecked=0, Total=650 [2021-05-06 09:50:11,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-05-06 09:50:11,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2021-05-06 09:50:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 96 states have (on average 1.1354166666666667) internal successors, (109), 96 states have internal predecessors, (109), 17 states have call successors, (17), 16 states have call predecessors, (17), 14 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-05-06 09:50:11,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 141 transitions. [2021-05-06 09:50:11,656 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 141 transitions. Word has length 122 [2021-05-06 09:50:11,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:11,657 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 141 transitions. [2021-05-06 09:50:11,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 14 states have internal predecessors, (89), 14 states have call successors, (16), 14 states have call predecessors, (16), 12 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) [2021-05-06 09:50:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 141 transitions. [2021-05-06 09:50:11,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-05-06 09:50:11,659 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:11,659 INFO L523 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:11,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:11,877 INFO L428 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:11,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:11,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1791180776, now seen corresponding path program 12 times [2021-05-06 09:50:11,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:11,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097064658] [2021-05-06 09:50:11,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:11,882 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:11,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [466061935] [2021-05-06 09:50:11,882 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:11,993 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-05-06 09:50:11,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:11,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 29 conjunts are in the unsatisfiable core [2021-05-06 09:50:11,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:12,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,322 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 24 proven. 618 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:12,322 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:12,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097064658] [2021-05-06 09:50:12,323 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:12,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466061935] [2021-05-06 09:50:12,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466061935] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:12,323 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:12,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2021-05-06 09:50:12,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348556292] [2021-05-06 09:50:12,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-06 09:50:12,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:12,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-06 09:50:12,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2021-05-06 09:50:12,324 INFO L87 Difference]: Start difference. First operand 128 states and 141 transitions. Second operand has 16 states, 16 states have (on average 6.0) internal successors, (96), 15 states have internal predecessors, (96), 15 states have call successors, (17), 15 states have call predecessors, (17), 13 states have return successors, (15), 13 states have call predecessors, (15), 14 states have call successors, (15) [2021-05-06 09:50:12,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:12,547 INFO L93 Difference]: Finished difference Result 137 states and 151 transitions. [2021-05-06 09:50:12,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-06 09:50:12,548 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 15 states have internal predecessors, (96), 15 states have call successors, (17), 15 states have call predecessors, (17), 13 states have return successors, (15), 13 states have call predecessors, (15), 14 states have call successors, (15) Word has length 131 [2021-05-06 09:50:12,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:12,549 INFO L225 Difference]: With dead ends: 137 [2021-05-06 09:50:12,549 INFO L226 Difference]: Without dead ends: 137 [2021-05-06 09:50:12,549 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 211.6ms TimeCoverageRelationStatistics Valid=287, Invalid=469, Unknown=0, NotChecked=0, Total=756 [2021-05-06 09:50:12,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-05-06 09:50:12,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-05-06 09:50:12,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 103 states have (on average 1.1359223300970873) internal successors, (117), 103 states have internal predecessors, (117), 18 states have call successors, (18), 17 states have call predecessors, (18), 15 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-05-06 09:50:12,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 151 transitions. [2021-05-06 09:50:12,554 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 151 transitions. Word has length 131 [2021-05-06 09:50:12,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:12,554 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 151 transitions. [2021-05-06 09:50:12,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 15 states have internal predecessors, (96), 15 states have call successors, (17), 15 states have call predecessors, (17), 13 states have return successors, (15), 13 states have call predecessors, (15), 14 states have call successors, (15) [2021-05-06 09:50:12,555 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 151 transitions. [2021-05-06 09:50:12,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-05-06 09:50:12,556 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:12,556 INFO L523 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:12,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-05-06 09:50:12,769 INFO L428 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:12,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:12,769 INFO L82 PathProgramCache]: Analyzing trace with hash -166555549, now seen corresponding path program 13 times [2021-05-06 09:50:12,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:12,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426158668] [2021-05-06 09:50:12,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:12,775 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:12,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796969874] [2021-05-06 09:50:12,776 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:12,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 31 conjunts are in the unsatisfiable core [2021-05-06 09:50:12,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:12,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:12,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 26 proven. 728 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:13,200 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:13,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426158668] [2021-05-06 09:50:13,200 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:13,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796969874] [2021-05-06 09:50:13,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796969874] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:13,200 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:13,200 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-05-06 09:50:13,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564812078] [2021-05-06 09:50:13,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-06 09:50:13,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:13,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-06 09:50:13,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2021-05-06 09:50:13,204 INFO L87 Difference]: Start difference. First operand 137 states and 151 transitions. Second operand has 17 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 16 states have internal predecessors, (103), 16 states have call successors, (18), 16 states have call predecessors, (18), 14 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) [2021-05-06 09:50:13,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:13,457 INFO L93 Difference]: Finished difference Result 146 states and 161 transitions. [2021-05-06 09:50:13,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-06 09:50:13,457 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 16 states have internal predecessors, (103), 16 states have call successors, (18), 16 states have call predecessors, (18), 14 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) Word has length 140 [2021-05-06 09:50:13,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:13,458 INFO L225 Difference]: With dead ends: 146 [2021-05-06 09:50:13,458 INFO L226 Difference]: Without dead ends: 146 [2021-05-06 09:50:13,459 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 233.6ms TimeCoverageRelationStatistics Valid=330, Invalid=540, Unknown=0, NotChecked=0, Total=870 [2021-05-06 09:50:13,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-05-06 09:50:13,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-05-06 09:50:13,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 110 states have (on average 1.1363636363636365) internal successors, (125), 110 states have internal predecessors, (125), 19 states have call successors, (19), 18 states have call predecessors, (19), 16 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2021-05-06 09:50:13,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 161 transitions. [2021-05-06 09:50:13,464 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 161 transitions. Word has length 140 [2021-05-06 09:50:13,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:13,466 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 161 transitions. [2021-05-06 09:50:13,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 16 states have internal predecessors, (103), 16 states have call successors, (18), 16 states have call predecessors, (18), 14 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) [2021-05-06 09:50:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2021-05-06 09:50:13,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-05-06 09:50:13,467 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:13,467 INFO L523 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:13,680 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-05-06 09:50:13,681 INFO L428 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:13,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:13,681 INFO L82 PathProgramCache]: Analyzing trace with hash -229972872, now seen corresponding path program 14 times [2021-05-06 09:50:13,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:13,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619285983] [2021-05-06 09:50:13,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:13,691 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:13,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1718256729] [2021-05-06 09:50:13,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:13,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:50:13,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:13,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 33 conjunts are in the unsatisfiable core [2021-05-06 09:50:13,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:13,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:13,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,150 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 28 proven. 847 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:14,150 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:14,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619285983] [2021-05-06 09:50:14,150 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:14,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718256729] [2021-05-06 09:50:14,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718256729] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:14,151 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:14,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2021-05-06 09:50:14,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261802834] [2021-05-06 09:50:14,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-05-06 09:50:14,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:14,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-05-06 09:50:14,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2021-05-06 09:50:14,152 INFO L87 Difference]: Start difference. First operand 146 states and 161 transitions. Second operand has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 17 states have call successors, (19), 17 states have call predecessors, (19), 15 states have return successors, (17), 15 states have call predecessors, (17), 16 states have call successors, (17) [2021-05-06 09:50:14,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:14,414 INFO L93 Difference]: Finished difference Result 155 states and 171 transitions. [2021-05-06 09:50:14,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-05-06 09:50:14,414 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 17 states have call successors, (19), 17 states have call predecessors, (19), 15 states have return successors, (17), 15 states have call predecessors, (17), 16 states have call successors, (17) Word has length 149 [2021-05-06 09:50:14,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:14,415 INFO L225 Difference]: With dead ends: 155 [2021-05-06 09:50:14,415 INFO L226 Difference]: Without dead ends: 155 [2021-05-06 09:50:14,416 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 285.9ms TimeCoverageRelationStatistics Valid=376, Invalid=616, Unknown=0, NotChecked=0, Total=992 [2021-05-06 09:50:14,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-05-06 09:50:14,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2021-05-06 09:50:14,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 117 states have (on average 1.1367521367521367) internal successors, (133), 117 states have internal predecessors, (133), 20 states have call successors, (20), 19 states have call predecessors, (20), 17 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2021-05-06 09:50:14,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 171 transitions. [2021-05-06 09:50:14,420 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 171 transitions. Word has length 149 [2021-05-06 09:50:14,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:14,420 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 171 transitions. [2021-05-06 09:50:14,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 17 states have internal predecessors, (110), 17 states have call successors, (19), 17 states have call predecessors, (19), 15 states have return successors, (17), 15 states have call predecessors, (17), 16 states have call successors, (17) [2021-05-06 09:50:14,421 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 171 transitions. [2021-05-06 09:50:14,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-05-06 09:50:14,422 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:14,422 INFO L523 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:14,644 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-05-06 09:50:14,645 INFO L428 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:14,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:14,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1480022019, now seen corresponding path program 15 times [2021-05-06 09:50:14,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:14,645 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918813051] [2021-05-06 09:50:14,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:14,652 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:14,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1235141246] [2021-05-06 09:50:14,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:14,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-05-06 09:50:14,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:14,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 35 conjunts are in the unsatisfiable core [2021-05-06 09:50:14,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:14,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:14,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 30 proven. 975 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:15,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:15,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918813051] [2021-05-06 09:50:15,191 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:15,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235141246] [2021-05-06 09:50:15,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235141246] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:15,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:15,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-05-06 09:50:15,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254097895] [2021-05-06 09:50:15,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-05-06 09:50:15,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:15,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-05-06 09:50:15,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2021-05-06 09:50:15,193 INFO L87 Difference]: Start difference. First operand 155 states and 171 transitions. Second operand has 19 states, 19 states have (on average 6.157894736842105) internal successors, (117), 18 states have internal predecessors, (117), 18 states have call successors, (20), 18 states have call predecessors, (20), 16 states have return successors, (18), 16 states have call predecessors, (18), 17 states have call successors, (18) [2021-05-06 09:50:15,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:15,479 INFO L93 Difference]: Finished difference Result 164 states and 181 transitions. [2021-05-06 09:50:15,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-05-06 09:50:15,480 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.157894736842105) internal successors, (117), 18 states have internal predecessors, (117), 18 states have call successors, (20), 18 states have call predecessors, (20), 16 states have return successors, (18), 16 states have call predecessors, (18), 17 states have call successors, (18) Word has length 158 [2021-05-06 09:50:15,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:15,480 INFO L225 Difference]: With dead ends: 164 [2021-05-06 09:50:15,480 INFO L226 Difference]: Without dead ends: 164 [2021-05-06 09:50:15,481 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 283.8ms TimeCoverageRelationStatistics Valid=425, Invalid=697, Unknown=0, NotChecked=0, Total=1122 [2021-05-06 09:50:15,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-05-06 09:50:15,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-05-06 09:50:15,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 124 states have internal predecessors, (141), 21 states have call successors, (21), 20 states have call predecessors, (21), 18 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-05-06 09:50:15,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 181 transitions. [2021-05-06 09:50:15,485 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 181 transitions. Word has length 158 [2021-05-06 09:50:15,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:15,485 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 181 transitions. [2021-05-06 09:50:15,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.157894736842105) internal successors, (117), 18 states have internal predecessors, (117), 18 states have call successors, (20), 18 states have call predecessors, (20), 16 states have return successors, (18), 16 states have call predecessors, (18), 17 states have call successors, (18) [2021-05-06 09:50:15,486 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 181 transitions. [2021-05-06 09:50:15,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-05-06 09:50:15,487 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:15,487 INFO L523 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:15,692 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:15,693 INFO L428 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:15,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:15,693 INFO L82 PathProgramCache]: Analyzing trace with hash 2105323736, now seen corresponding path program 16 times [2021-05-06 09:50:15,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:15,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856039481] [2021-05-06 09:50:15,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:15,699 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:15,699 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [49910231] [2021-05-06 09:50:15,699 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:15,812 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:50:15,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:15,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 37 conjunts are in the unsatisfiable core [2021-05-06 09:50:15,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:15,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:15,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 32 proven. 1112 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:16,217 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:16,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856039481] [2021-05-06 09:50:16,217 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:16,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49910231] [2021-05-06 09:50:16,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49910231] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:16,217 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:16,217 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-05-06 09:50:16,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409646958] [2021-05-06 09:50:16,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-06 09:50:16,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:16,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-06 09:50:16,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2021-05-06 09:50:16,218 INFO L87 Difference]: Start difference. First operand 164 states and 181 transitions. Second operand has 20 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 19 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (19), 17 states have call predecessors, (19), 18 states have call successors, (19) [2021-05-06 09:50:16,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:16,532 INFO L93 Difference]: Finished difference Result 173 states and 191 transitions. [2021-05-06 09:50:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-05-06 09:50:16,533 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 19 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (19), 17 states have call predecessors, (19), 18 states have call successors, (19) Word has length 167 [2021-05-06 09:50:16,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:16,534 INFO L225 Difference]: With dead ends: 173 [2021-05-06 09:50:16,534 INFO L226 Difference]: Without dead ends: 173 [2021-05-06 09:50:16,534 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 315.1ms TimeCoverageRelationStatistics Valid=477, Invalid=783, Unknown=0, NotChecked=0, Total=1260 [2021-05-06 09:50:16,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-05-06 09:50:16,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-05-06 09:50:16,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 131 states have (on average 1.1374045801526718) internal successors, (149), 131 states have internal predecessors, (149), 22 states have call successors, (22), 21 states have call predecessors, (22), 19 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2021-05-06 09:50:16,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 191 transitions. [2021-05-06 09:50:16,542 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 191 transitions. Word has length 167 [2021-05-06 09:50:16,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:16,542 INFO L480 AbstractCegarLoop]: Abstraction has 173 states and 191 transitions. [2021-05-06 09:50:16,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 19 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (19), 17 states have call predecessors, (19), 18 states have call successors, (19) [2021-05-06 09:50:16,543 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 191 transitions. [2021-05-06 09:50:16,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-05-06 09:50:16,544 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:16,544 INFO L523 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:16,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:16,757 INFO L428 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:16,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:16,757 INFO L82 PathProgramCache]: Analyzing trace with hash -170559581, now seen corresponding path program 17 times [2021-05-06 09:50:16,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:16,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558787357] [2021-05-06 09:50:16,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:16,764 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:16,764 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [197711016] [2021-05-06 09:50:16,765 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:16,895 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-05-06 09:50:16,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:16,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 39 conjunts are in the unsatisfiable core [2021-05-06 09:50:16,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:16,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:16,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 34 proven. 1258 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:17,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:17,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558787357] [2021-05-06 09:50:17,378 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:17,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197711016] [2021-05-06 09:50:17,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197711016] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:17,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:17,379 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2021-05-06 09:50:17,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623607759] [2021-05-06 09:50:17,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-06 09:50:17,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:17,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-06 09:50:17,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2021-05-06 09:50:17,380 INFO L87 Difference]: Start difference. First operand 173 states and 191 transitions. Second operand has 21 states, 21 states have (on average 6.238095238095238) internal successors, (131), 20 states have internal predecessors, (131), 20 states have call successors, (22), 20 states have call predecessors, (22), 18 states have return successors, (20), 18 states have call predecessors, (20), 19 states have call successors, (20) [2021-05-06 09:50:17,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:17,687 INFO L93 Difference]: Finished difference Result 182 states and 201 transitions. [2021-05-06 09:50:17,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-05-06 09:50:17,688 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 6.238095238095238) internal successors, (131), 20 states have internal predecessors, (131), 20 states have call successors, (22), 20 states have call predecessors, (22), 18 states have return successors, (20), 18 states have call predecessors, (20), 19 states have call successors, (20) Word has length 176 [2021-05-06 09:50:17,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:17,689 INFO L225 Difference]: With dead ends: 182 [2021-05-06 09:50:17,689 INFO L226 Difference]: Without dead ends: 182 [2021-05-06 09:50:17,689 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 360.3ms TimeCoverageRelationStatistics Valid=532, Invalid=874, Unknown=0, NotChecked=0, Total=1406 [2021-05-06 09:50:17,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-05-06 09:50:17,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2021-05-06 09:50:17,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 138 states have (on average 1.1376811594202898) internal successors, (157), 138 states have internal predecessors, (157), 23 states have call successors, (23), 22 states have call predecessors, (23), 20 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-05-06 09:50:17,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 201 transitions. [2021-05-06 09:50:17,694 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 201 transitions. Word has length 176 [2021-05-06 09:50:17,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:17,694 INFO L480 AbstractCegarLoop]: Abstraction has 182 states and 201 transitions. [2021-05-06 09:50:17,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 6.238095238095238) internal successors, (131), 20 states have internal predecessors, (131), 20 states have call successors, (22), 20 states have call predecessors, (22), 18 states have return successors, (20), 18 states have call predecessors, (20), 19 states have call successors, (20) [2021-05-06 09:50:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 201 transitions. [2021-05-06 09:50:17,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-05-06 09:50:17,695 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:17,696 INFO L523 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:17,901 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-05-06 09:50:17,901 INFO L428 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:17,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:17,901 INFO L82 PathProgramCache]: Analyzing trace with hash -466082504, now seen corresponding path program 18 times [2021-05-06 09:50:17,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:17,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115483696] [2021-05-06 09:50:17,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:17,910 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:17,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [211402136] [2021-05-06 09:50:17,910 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:18,039 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-05-06 09:50:18,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:18,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 41 conjunts are in the unsatisfiable core [2021-05-06 09:50:18,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:18,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:18,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 36 proven. 1413 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:18,566 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:18,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115483696] [2021-05-06 09:50:18,567 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:18,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211402136] [2021-05-06 09:50:18,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211402136] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:18,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:18,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2021-05-06 09:50:18,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270960239] [2021-05-06 09:50:18,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-06 09:50:18,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:18,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-06 09:50:18,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=250, Unknown=0, NotChecked=0, Total=462 [2021-05-06 09:50:18,570 INFO L87 Difference]: Start difference. First operand 182 states and 201 transitions. Second operand has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 21 states have internal predecessors, (138), 21 states have call successors, (23), 21 states have call predecessors, (23), 19 states have return successors, (21), 19 states have call predecessors, (21), 20 states have call successors, (21) [2021-05-06 09:50:18,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:18,869 INFO L93 Difference]: Finished difference Result 191 states and 211 transitions. [2021-05-06 09:50:18,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-06 09:50:18,883 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 21 states have internal predecessors, (138), 21 states have call successors, (23), 21 states have call predecessors, (23), 19 states have return successors, (21), 19 states have call predecessors, (21), 20 states have call successors, (21) Word has length 185 [2021-05-06 09:50:18,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:18,884 INFO L225 Difference]: With dead ends: 191 [2021-05-06 09:50:18,884 INFO L226 Difference]: Without dead ends: 191 [2021-05-06 09:50:18,886 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 358.5ms TimeCoverageRelationStatistics Valid=590, Invalid=970, Unknown=0, NotChecked=0, Total=1560 [2021-05-06 09:50:18,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-05-06 09:50:18,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-05-06 09:50:18,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 145 states have (on average 1.1379310344827587) internal successors, (165), 145 states have internal predecessors, (165), 24 states have call successors, (24), 23 states have call predecessors, (24), 21 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-05-06 09:50:18,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 211 transitions. [2021-05-06 09:50:18,893 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 211 transitions. Word has length 185 [2021-05-06 09:50:18,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:18,894 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 211 transitions. [2021-05-06 09:50:18,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 21 states have internal predecessors, (138), 21 states have call successors, (23), 21 states have call predecessors, (23), 19 states have return successors, (21), 19 states have call predecessors, (21), 20 states have call successors, (21) [2021-05-06 09:50:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 211 transitions. [2021-05-06 09:50:18,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-05-06 09:50:18,896 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:18,897 INFO L523 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 19, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:19,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-05-06 09:50:19,113 INFO L428 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:19,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:19,113 INFO L82 PathProgramCache]: Analyzing trace with hash -733548733, now seen corresponding path program 19 times [2021-05-06 09:50:19,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:19,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136176742] [2021-05-06 09:50:19,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:19,125 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:19,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1742303435] [2021-05-06 09:50:19,125 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:19,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 43 conjunts are in the unsatisfiable core [2021-05-06 09:50:19,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:19,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 38 proven. 1577 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:19,702 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:19,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136176742] [2021-05-06 09:50:19,702 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:19,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742303435] [2021-05-06 09:50:19,702 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742303435] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:19,702 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:19,702 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2021-05-06 09:50:19,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736357889] [2021-05-06 09:50:19,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-06 09:50:19,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:19,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-06 09:50:19,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2021-05-06 09:50:19,703 INFO L87 Difference]: Start difference. First operand 191 states and 211 transitions. Second operand has 23 states, 23 states have (on average 6.304347826086956) internal successors, (145), 22 states have internal predecessors, (145), 22 states have call successors, (24), 22 states have call predecessors, (24), 20 states have return successors, (22), 20 states have call predecessors, (22), 21 states have call successors, (22) [2021-05-06 09:50:20,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:20,042 INFO L93 Difference]: Finished difference Result 200 states and 221 transitions. [2021-05-06 09:50:20,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-05-06 09:50:20,043 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 6.304347826086956) internal successors, (145), 22 states have internal predecessors, (145), 22 states have call successors, (24), 22 states have call predecessors, (24), 20 states have return successors, (22), 20 states have call predecessors, (22), 21 states have call successors, (22) Word has length 194 [2021-05-06 09:50:20,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:20,044 INFO L225 Difference]: With dead ends: 200 [2021-05-06 09:50:20,044 INFO L226 Difference]: Without dead ends: 200 [2021-05-06 09:50:20,044 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 399.8ms TimeCoverageRelationStatistics Valid=651, Invalid=1071, Unknown=0, NotChecked=0, Total=1722 [2021-05-06 09:50:20,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-05-06 09:50:20,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2021-05-06 09:50:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 152 states have (on average 1.138157894736842) internal successors, (173), 152 states have internal predecessors, (173), 25 states have call successors, (25), 24 states have call predecessors, (25), 22 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-05-06 09:50:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 221 transitions. [2021-05-06 09:50:20,049 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 221 transitions. Word has length 194 [2021-05-06 09:50:20,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:20,049 INFO L480 AbstractCegarLoop]: Abstraction has 200 states and 221 transitions. [2021-05-06 09:50:20,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 6.304347826086956) internal successors, (145), 22 states have internal predecessors, (145), 22 states have call successors, (24), 22 states have call predecessors, (24), 20 states have return successors, (22), 20 states have call predecessors, (22), 21 states have call successors, (22) [2021-05-06 09:50:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 221 transitions. [2021-05-06 09:50:20,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-05-06 09:50:20,050 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:20,051 INFO L523 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 20, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:20,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:20,261 INFO L428 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:20,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:20,261 INFO L82 PathProgramCache]: Analyzing trace with hash -2040315496, now seen corresponding path program 20 times [2021-05-06 09:50:20,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:20,261 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984428245] [2021-05-06 09:50:20,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:20,266 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:20,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1051660380] [2021-05-06 09:50:20,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:20,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:50:20,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:20,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 45 conjunts are in the unsatisfiable core [2021-05-06 09:50:20,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:20,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:20,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1794 backedges. 40 proven. 1750 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:20,886 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:20,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984428245] [2021-05-06 09:50:20,887 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:20,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051660380] [2021-05-06 09:50:20,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051660380] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:20,887 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:20,887 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2021-05-06 09:50:20,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082616822] [2021-05-06 09:50:20,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-05-06 09:50:20,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:20,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-05-06 09:50:20,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=297, Unknown=0, NotChecked=0, Total=552 [2021-05-06 09:50:20,888 INFO L87 Difference]: Start difference. First operand 200 states and 221 transitions. Second operand has 24 states, 24 states have (on average 6.333333333333333) internal successors, (152), 23 states have internal predecessors, (152), 23 states have call successors, (25), 23 states have call predecessors, (25), 21 states have return successors, (23), 21 states have call predecessors, (23), 22 states have call successors, (23) [2021-05-06 09:50:21,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:21,256 INFO L93 Difference]: Finished difference Result 209 states and 231 transitions. [2021-05-06 09:50:21,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-06 09:50:21,257 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.333333333333333) internal successors, (152), 23 states have internal predecessors, (152), 23 states have call successors, (25), 23 states have call predecessors, (25), 21 states have return successors, (23), 21 states have call predecessors, (23), 22 states have call successors, (23) Word has length 203 [2021-05-06 09:50:21,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:21,258 INFO L225 Difference]: With dead ends: 209 [2021-05-06 09:50:21,258 INFO L226 Difference]: Without dead ends: 209 [2021-05-06 09:50:21,259 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 429.6ms TimeCoverageRelationStatistics Valid=715, Invalid=1177, Unknown=0, NotChecked=0, Total=1892 [2021-05-06 09:50:21,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-05-06 09:50:21,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2021-05-06 09:50:21,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 159 states have (on average 1.1383647798742138) internal successors, (181), 159 states have internal predecessors, (181), 26 states have call successors, (26), 25 states have call predecessors, (26), 23 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2021-05-06 09:50:21,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 231 transitions. [2021-05-06 09:50:21,263 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 231 transitions. Word has length 203 [2021-05-06 09:50:21,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:21,264 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 231 transitions. [2021-05-06 09:50:21,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 6.333333333333333) internal successors, (152), 23 states have internal predecessors, (152), 23 states have call successors, (25), 23 states have call predecessors, (25), 21 states have return successors, (23), 21 states have call predecessors, (23), 22 states have call successors, (23) [2021-05-06 09:50:21,264 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 231 transitions. [2021-05-06 09:50:21,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-05-06 09:50:21,265 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:21,265 INFO L523 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 21, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:21,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-05-06 09:50:21,489 INFO L428 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:21,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:21,489 INFO L82 PathProgramCache]: Analyzing trace with hash 375766755, now seen corresponding path program 21 times [2021-05-06 09:50:21,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:21,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560077486] [2021-05-06 09:50:21,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:21,499 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:21,500 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [930961670] [2021-05-06 09:50:21,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:21,632 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2021-05-06 09:50:21,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:21,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 47 conjunts are in the unsatisfiable core [2021-05-06 09:50:21,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:21,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:21,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:22,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 42 proven. 1932 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:22,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:22,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560077486] [2021-05-06 09:50:22,195 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:22,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930961670] [2021-05-06 09:50:22,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930961670] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:22,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:22,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2021-05-06 09:50:22,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587361604] [2021-05-06 09:50:22,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-06 09:50:22,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:22,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-06 09:50:22,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2021-05-06 09:50:22,197 INFO L87 Difference]: Start difference. First operand 209 states and 231 transitions. Second operand has 25 states, 25 states have (on average 6.36) internal successors, (159), 24 states have internal predecessors, (159), 24 states have call successors, (26), 24 states have call predecessors, (26), 22 states have return successors, (24), 22 states have call predecessors, (24), 23 states have call successors, (24) [2021-05-06 09:50:22,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:22,667 INFO L93 Difference]: Finished difference Result 218 states and 241 transitions. [2021-05-06 09:50:22,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-06 09:50:22,668 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 6.36) internal successors, (159), 24 states have internal predecessors, (159), 24 states have call successors, (26), 24 states have call predecessors, (26), 22 states have return successors, (24), 22 states have call predecessors, (24), 23 states have call successors, (24) Word has length 212 [2021-05-06 09:50:22,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:22,669 INFO L225 Difference]: With dead ends: 218 [2021-05-06 09:50:22,669 INFO L226 Difference]: Without dead ends: 218 [2021-05-06 09:50:22,670 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 523.8ms TimeCoverageRelationStatistics Valid=782, Invalid=1288, Unknown=0, NotChecked=0, Total=2070 [2021-05-06 09:50:22,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-05-06 09:50:22,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2021-05-06 09:50:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 166 states have (on average 1.1385542168674698) internal successors, (189), 166 states have internal predecessors, (189), 27 states have call successors, (27), 26 states have call predecessors, (27), 24 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2021-05-06 09:50:22,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 241 transitions. [2021-05-06 09:50:22,681 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 241 transitions. Word has length 212 [2021-05-06 09:50:22,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:22,681 INFO L480 AbstractCegarLoop]: Abstraction has 218 states and 241 transitions. [2021-05-06 09:50:22,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 6.36) internal successors, (159), 24 states have internal predecessors, (159), 24 states have call successors, (26), 24 states have call predecessors, (26), 22 states have return successors, (24), 22 states have call predecessors, (24), 23 states have call successors, (24) [2021-05-06 09:50:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 241 transitions. [2021-05-06 09:50:22,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-05-06 09:50:22,683 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:22,683 INFO L523 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:22,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:22,907 INFO L428 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:22,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:22,907 INFO L82 PathProgramCache]: Analyzing trace with hash -698087944, now seen corresponding path program 22 times [2021-05-06 09:50:22,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:22,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275891655] [2021-05-06 09:50:22,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:22,913 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:22,914 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [172848993] [2021-05-06 09:50:22,914 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:23,038 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:50:23,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:23,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 49 conjunts are in the unsatisfiable core [2021-05-06 09:50:23,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:23,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2171 backedges. 44 proven. 2123 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:23,590 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:23,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275891655] [2021-05-06 09:50:23,591 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:23,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172848993] [2021-05-06 09:50:23,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172848993] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:23,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:23,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2021-05-06 09:50:23,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728887242] [2021-05-06 09:50:23,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-05-06 09:50:23,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:23,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-05-06 09:50:23,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2021-05-06 09:50:23,592 INFO L87 Difference]: Start difference. First operand 218 states and 241 transitions. Second operand has 26 states, 26 states have (on average 6.384615384615385) internal successors, (166), 25 states have internal predecessors, (166), 25 states have call successors, (27), 25 states have call predecessors, (27), 23 states have return successors, (25), 23 states have call predecessors, (25), 24 states have call successors, (25) [2021-05-06 09:50:23,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:23,958 INFO L93 Difference]: Finished difference Result 227 states and 251 transitions. [2021-05-06 09:50:23,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-05-06 09:50:23,959 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.384615384615385) internal successors, (166), 25 states have internal predecessors, (166), 25 states have call successors, (27), 25 states have call predecessors, (27), 23 states have return successors, (25), 23 states have call predecessors, (25), 24 states have call successors, (25) Word has length 221 [2021-05-06 09:50:23,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:23,960 INFO L225 Difference]: With dead ends: 227 [2021-05-06 09:50:23,960 INFO L226 Difference]: Without dead ends: 227 [2021-05-06 09:50:23,961 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 452.4ms TimeCoverageRelationStatistics Valid=852, Invalid=1404, Unknown=0, NotChecked=0, Total=2256 [2021-05-06 09:50:23,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-05-06 09:50:23,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-05-06 09:50:23,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 173 states have (on average 1.138728323699422) internal successors, (197), 173 states have internal predecessors, (197), 28 states have call successors, (28), 27 states have call predecessors, (28), 25 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2021-05-06 09:50:23,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 251 transitions. [2021-05-06 09:50:23,966 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 251 transitions. Word has length 221 [2021-05-06 09:50:23,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:23,966 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 251 transitions. [2021-05-06 09:50:23,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 6.384615384615385) internal successors, (166), 25 states have internal predecessors, (166), 25 states have call successors, (27), 25 states have call predecessors, (27), 23 states have return successors, (25), 23 states have call predecessors, (25), 24 states have call successors, (25) [2021-05-06 09:50:23,966 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 251 transitions. [2021-05-06 09:50:23,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-05-06 09:50:23,968 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:23,968 INFO L523 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 23, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:24,192 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-05-06 09:50:24,192 INFO L428 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:24,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:24,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1668553085, now seen corresponding path program 23 times [2021-05-06 09:50:24,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:24,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775564489] [2021-05-06 09:50:24,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:24,205 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:24,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [864106525] [2021-05-06 09:50:24,205 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:24,384 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2021-05-06 09:50:24,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:24,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 51 conjunts are in the unsatisfiable core [2021-05-06 09:50:24,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:24,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2373 backedges. 46 proven. 2323 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:24,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:24,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775564489] [2021-05-06 09:50:24,939 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:24,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864106525] [2021-05-06 09:50:24,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864106525] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:24,939 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:24,939 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2021-05-06 09:50:24,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44711262] [2021-05-06 09:50:24,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-05-06 09:50:24,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:24,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-05-06 09:50:24,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2021-05-06 09:50:24,941 INFO L87 Difference]: Start difference. First operand 227 states and 251 transitions. Second operand has 27 states, 27 states have (on average 6.407407407407407) internal successors, (173), 26 states have internal predecessors, (173), 26 states have call successors, (28), 26 states have call predecessors, (28), 24 states have return successors, (26), 24 states have call predecessors, (26), 25 states have call successors, (26) [2021-05-06 09:50:25,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:25,361 INFO L93 Difference]: Finished difference Result 236 states and 261 transitions. [2021-05-06 09:50:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-05-06 09:50:25,363 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.407407407407407) internal successors, (173), 26 states have internal predecessors, (173), 26 states have call successors, (28), 26 states have call predecessors, (28), 24 states have return successors, (26), 24 states have call predecessors, (26), 25 states have call successors, (26) Word has length 230 [2021-05-06 09:50:25,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:25,364 INFO L225 Difference]: With dead ends: 236 [2021-05-06 09:50:25,364 INFO L226 Difference]: Without dead ends: 236 [2021-05-06 09:50:25,365 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 509.8ms TimeCoverageRelationStatistics Valid=925, Invalid=1525, Unknown=0, NotChecked=0, Total=2450 [2021-05-06 09:50:25,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-05-06 09:50:25,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2021-05-06 09:50:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 180 states have (on average 1.1388888888888888) internal successors, (205), 180 states have internal predecessors, (205), 29 states have call successors, (29), 28 states have call predecessors, (29), 26 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-05-06 09:50:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 261 transitions. [2021-05-06 09:50:25,370 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 261 transitions. Word has length 230 [2021-05-06 09:50:25,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:25,370 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 261 transitions. [2021-05-06 09:50:25,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 6.407407407407407) internal successors, (173), 26 states have internal predecessors, (173), 26 states have call successors, (28), 26 states have call predecessors, (28), 24 states have return successors, (26), 24 states have call predecessors, (26), 25 states have call successors, (26) [2021-05-06 09:50:25,371 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 261 transitions. [2021-05-06 09:50:25,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-05-06 09:50:25,372 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:25,372 INFO L523 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 24, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:25,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-05-06 09:50:25,589 INFO L428 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:25,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:25,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1189055912, now seen corresponding path program 24 times [2021-05-06 09:50:25,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:25,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122725021] [2021-05-06 09:50:25,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:25,596 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:25,596 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1909628686] [2021-05-06 09:50:25,596 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:25,742 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2021-05-06 09:50:25,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:25,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 53 conjunts are in the unsatisfiable core [2021-05-06 09:50:25,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:25,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:25,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:26,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2584 backedges. 48 proven. 2532 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:26,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:26,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122725021] [2021-05-06 09:50:26,327 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:26,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909628686] [2021-05-06 09:50:26,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909628686] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:26,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:26,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2021-05-06 09:50:26,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449751306] [2021-05-06 09:50:26,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-05-06 09:50:26,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:26,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-05-06 09:50:26,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=403, Unknown=0, NotChecked=0, Total=756 [2021-05-06 09:50:26,328 INFO L87 Difference]: Start difference. First operand 236 states and 261 transitions. Second operand has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 27 states have internal predecessors, (180), 27 states have call successors, (29), 27 states have call predecessors, (29), 25 states have return successors, (27), 25 states have call predecessors, (27), 26 states have call successors, (27) [2021-05-06 09:50:26,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:26,767 INFO L93 Difference]: Finished difference Result 245 states and 271 transitions. [2021-05-06 09:50:26,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-05-06 09:50:26,767 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 27 states have internal predecessors, (180), 27 states have call successors, (29), 27 states have call predecessors, (29), 25 states have return successors, (27), 25 states have call predecessors, (27), 26 states have call successors, (27) Word has length 239 [2021-05-06 09:50:26,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:26,768 INFO L225 Difference]: With dead ends: 245 [2021-05-06 09:50:26,768 INFO L226 Difference]: Without dead ends: 245 [2021-05-06 09:50:26,769 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 531.8ms TimeCoverageRelationStatistics Valid=1001, Invalid=1651, Unknown=0, NotChecked=0, Total=2652 [2021-05-06 09:50:26,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-05-06 09:50:26,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2021-05-06 09:50:26,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 187 states have (on average 1.13903743315508) internal successors, (213), 187 states have internal predecessors, (213), 30 states have call successors, (30), 29 states have call predecessors, (30), 27 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2021-05-06 09:50:26,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 271 transitions. [2021-05-06 09:50:26,774 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 271 transitions. Word has length 239 [2021-05-06 09:50:26,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:26,774 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 271 transitions. [2021-05-06 09:50:26,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 27 states have internal predecessors, (180), 27 states have call successors, (29), 27 states have call predecessors, (29), 25 states have return successors, (27), 25 states have call predecessors, (27), 26 states have call successors, (27) [2021-05-06 09:50:26,775 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 271 transitions. [2021-05-06 09:50:26,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-05-06 09:50:26,776 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:26,776 INFO L523 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 25, 25, 25, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:26,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-05-06 09:50:26,981 INFO L428 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:26,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:26,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1533843933, now seen corresponding path program 25 times [2021-05-06 09:50:26,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:26,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217356213] [2021-05-06 09:50:26,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:26,987 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:26,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [716892091] [2021-05-06 09:50:26,988 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:27,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 55 conjunts are in the unsatisfiable core [2021-05-06 09:50:27,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:27,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2804 backedges. 50 proven. 2750 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:27,716 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:27,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217356213] [2021-05-06 09:50:27,716 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:27,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716892091] [2021-05-06 09:50:27,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716892091] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:27,716 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:27,717 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2021-05-06 09:50:27,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141292601] [2021-05-06 09:50:27,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-05-06 09:50:27,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:27,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-05-06 09:50:27,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2021-05-06 09:50:27,718 INFO L87 Difference]: Start difference. First operand 245 states and 271 transitions. Second operand has 29 states, 29 states have (on average 6.448275862068965) internal successors, (187), 28 states have internal predecessors, (187), 28 states have call successors, (30), 28 states have call predecessors, (30), 26 states have return successors, (28), 26 states have call predecessors, (28), 27 states have call successors, (28) [2021-05-06 09:50:28,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:28,211 INFO L93 Difference]: Finished difference Result 254 states and 281 transitions. [2021-05-06 09:50:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-05-06 09:50:28,212 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 6.448275862068965) internal successors, (187), 28 states have internal predecessors, (187), 28 states have call successors, (30), 28 states have call predecessors, (30), 26 states have return successors, (28), 26 states have call predecessors, (28), 27 states have call successors, (28) Word has length 248 [2021-05-06 09:50:28,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:28,213 INFO L225 Difference]: With dead ends: 254 [2021-05-06 09:50:28,213 INFO L226 Difference]: Without dead ends: 254 [2021-05-06 09:50:28,214 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 578.6ms TimeCoverageRelationStatistics Valid=1080, Invalid=1782, Unknown=0, NotChecked=0, Total=2862 [2021-05-06 09:50:28,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-05-06 09:50:28,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-05-06 09:50:28,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 194 states have (on average 1.1391752577319587) internal successors, (221), 194 states have internal predecessors, (221), 31 states have call successors, (31), 30 states have call predecessors, (31), 28 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2021-05-06 09:50:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 281 transitions. [2021-05-06 09:50:28,219 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 281 transitions. Word has length 248 [2021-05-06 09:50:28,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:28,219 INFO L480 AbstractCegarLoop]: Abstraction has 254 states and 281 transitions. [2021-05-06 09:50:28,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 6.448275862068965) internal successors, (187), 28 states have internal predecessors, (187), 28 states have call successors, (30), 28 states have call predecessors, (30), 26 states have return successors, (28), 26 states have call predecessors, (28), 27 states have call successors, (28) [2021-05-06 09:50:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 281 transitions. [2021-05-06 09:50:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-05-06 09:50:28,221 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:28,221 INFO L523 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 26, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:28,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-05-06 09:50:28,435 INFO L428 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:28,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:28,435 INFO L82 PathProgramCache]: Analyzing trace with hash -436304200, now seen corresponding path program 26 times [2021-05-06 09:50:28,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:28,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486356226] [2021-05-06 09:50:28,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:28,443 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:28,443 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1422546316] [2021-05-06 09:50:28,443 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:28,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:50:28,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:28,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 57 conjunts are in the unsatisfiable core [2021-05-06 09:50:28,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:28,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:28,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:29,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3033 backedges. 52 proven. 2977 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:29,178 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:29,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486356226] [2021-05-06 09:50:29,178 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:29,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422546316] [2021-05-06 09:50:29,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422546316] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:29,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:29,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2021-05-06 09:50:29,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38801053] [2021-05-06 09:50:29,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-06 09:50:29,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:29,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-06 09:50:29,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=462, Unknown=0, NotChecked=0, Total=870 [2021-05-06 09:50:29,180 INFO L87 Difference]: Start difference. First operand 254 states and 281 transitions. Second operand has 30 states, 30 states have (on average 6.466666666666667) internal successors, (194), 29 states have internal predecessors, (194), 29 states have call successors, (31), 29 states have call predecessors, (31), 27 states have return successors, (29), 27 states have call predecessors, (29), 28 states have call successors, (29) [2021-05-06 09:50:29,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:29,690 INFO L93 Difference]: Finished difference Result 263 states and 291 transitions. [2021-05-06 09:50:29,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-05-06 09:50:29,690 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 6.466666666666667) internal successors, (194), 29 states have internal predecessors, (194), 29 states have call successors, (31), 29 states have call predecessors, (31), 27 states have return successors, (29), 27 states have call predecessors, (29), 28 states have call successors, (29) Word has length 257 [2021-05-06 09:50:29,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:29,692 INFO L225 Difference]: With dead ends: 263 [2021-05-06 09:50:29,692 INFO L226 Difference]: Without dead ends: 263 [2021-05-06 09:50:29,693 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 629.7ms TimeCoverageRelationStatistics Valid=1162, Invalid=1918, Unknown=0, NotChecked=0, Total=3080 [2021-05-06 09:50:29,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2021-05-06 09:50:29,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2021-05-06 09:50:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 201 states have (on average 1.1393034825870647) internal successors, (229), 201 states have internal predecessors, (229), 32 states have call successors, (32), 31 states have call predecessors, (32), 29 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2021-05-06 09:50:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 291 transitions. [2021-05-06 09:50:29,698 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 291 transitions. Word has length 257 [2021-05-06 09:50:29,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:29,698 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 291 transitions. [2021-05-06 09:50:29,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 6.466666666666667) internal successors, (194), 29 states have internal predecessors, (194), 29 states have call successors, (31), 29 states have call predecessors, (31), 27 states have return successors, (29), 27 states have call predecessors, (29), 28 states have call successors, (29) [2021-05-06 09:50:29,698 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 291 transitions. [2021-05-06 09:50:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-05-06 09:50:29,700 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:29,700 INFO L523 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 27, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:29,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:29,913 INFO L428 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:29,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:29,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1775648195, now seen corresponding path program 27 times [2021-05-06 09:50:29,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:29,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205312218] [2021-05-06 09:50:29,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:29,923 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:29,923 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2141586987] [2021-05-06 09:50:29,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:30,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2021-05-06 09:50:30,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:30,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 59 conjunts are in the unsatisfiable core [2021-05-06 09:50:30,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:30,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3271 backedges. 54 proven. 3213 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:30,814 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:30,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205312218] [2021-05-06 09:50:30,814 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:30,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141586987] [2021-05-06 09:50:30,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141586987] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:30,814 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:30,814 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2021-05-06 09:50:30,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529544507] [2021-05-06 09:50:30,814 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-06 09:50:30,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:30,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-06 09:50:30,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2021-05-06 09:50:30,816 INFO L87 Difference]: Start difference. First operand 263 states and 291 transitions. Second operand has 31 states, 31 states have (on average 6.483870967741935) internal successors, (201), 30 states have internal predecessors, (201), 30 states have call successors, (32), 30 states have call predecessors, (32), 28 states have return successors, (30), 28 states have call predecessors, (30), 29 states have call successors, (30) [2021-05-06 09:50:31,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:31,376 INFO L93 Difference]: Finished difference Result 272 states and 301 transitions. [2021-05-06 09:50:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-06 09:50:31,376 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 6.483870967741935) internal successors, (201), 30 states have internal predecessors, (201), 30 states have call successors, (32), 30 states have call predecessors, (32), 28 states have return successors, (30), 28 states have call predecessors, (30), 29 states have call successors, (30) Word has length 266 [2021-05-06 09:50:31,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:31,377 INFO L225 Difference]: With dead ends: 272 [2021-05-06 09:50:31,377 INFO L226 Difference]: Without dead ends: 272 [2021-05-06 09:50:31,378 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 729.1ms TimeCoverageRelationStatistics Valid=1247, Invalid=2059, Unknown=0, NotChecked=0, Total=3306 [2021-05-06 09:50:31,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-05-06 09:50:31,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2021-05-06 09:50:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 208 states have (on average 1.1394230769230769) internal successors, (237), 208 states have internal predecessors, (237), 33 states have call successors, (33), 32 states have call predecessors, (33), 30 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-05-06 09:50:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 301 transitions. [2021-05-06 09:50:31,383 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 301 transitions. Word has length 266 [2021-05-06 09:50:31,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:31,383 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 301 transitions. [2021-05-06 09:50:31,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 6.483870967741935) internal successors, (201), 30 states have internal predecessors, (201), 30 states have call successors, (32), 30 states have call predecessors, (32), 28 states have return successors, (30), 28 states have call predecessors, (30), 29 states have call successors, (30) [2021-05-06 09:50:31,383 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 301 transitions. [2021-05-06 09:50:31,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-05-06 09:50:31,385 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:31,385 INFO L523 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 28, 28, 28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:31,600 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:31,601 INFO L428 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:31,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:31,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1189364504, now seen corresponding path program 28 times [2021-05-06 09:50:31,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:31,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295556224] [2021-05-06 09:50:31,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:31,608 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:31,608 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1707920235] [2021-05-06 09:50:31,608 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:31,736 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:50:31,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:31,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 61 conjunts are in the unsatisfiable core [2021-05-06 09:50:31,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:31,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:31,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3518 backedges. 56 proven. 3458 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:32,483 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:32,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295556224] [2021-05-06 09:50:32,483 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:32,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707920235] [2021-05-06 09:50:32,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707920235] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:32,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:32,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2021-05-06 09:50:32,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050578487] [2021-05-06 09:50:32,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-05-06 09:50:32,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:32,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-05-06 09:50:32,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=467, Invalid=525, Unknown=0, NotChecked=0, Total=992 [2021-05-06 09:50:32,484 INFO L87 Difference]: Start difference. First operand 272 states and 301 transitions. Second operand has 32 states, 32 states have (on average 6.5) internal successors, (208), 31 states have internal predecessors, (208), 31 states have call successors, (33), 31 states have call predecessors, (33), 29 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) [2021-05-06 09:50:33,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:33,145 INFO L93 Difference]: Finished difference Result 281 states and 311 transitions. [2021-05-06 09:50:33,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-05-06 09:50:33,145 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 6.5) internal successors, (208), 31 states have internal predecessors, (208), 31 states have call successors, (33), 31 states have call predecessors, (33), 29 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) Word has length 275 [2021-05-06 09:50:33,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:33,146 INFO L225 Difference]: With dead ends: 281 [2021-05-06 09:50:33,146 INFO L226 Difference]: Without dead ends: 281 [2021-05-06 09:50:33,148 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 774.0ms TimeCoverageRelationStatistics Valid=1335, Invalid=2205, Unknown=0, NotChecked=0, Total=3540 [2021-05-06 09:50:33,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-05-06 09:50:33,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2021-05-06 09:50:33,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 215 states have (on average 1.1395348837209303) internal successors, (245), 215 states have internal predecessors, (245), 34 states have call successors, (34), 33 states have call predecessors, (34), 31 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-05-06 09:50:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 311 transitions. [2021-05-06 09:50:33,155 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 311 transitions. Word has length 275 [2021-05-06 09:50:33,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:33,156 INFO L480 AbstractCegarLoop]: Abstraction has 281 states and 311 transitions. [2021-05-06 09:50:33,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 6.5) internal successors, (208), 31 states have internal predecessors, (208), 31 states have call successors, (33), 31 states have call predecessors, (33), 29 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) [2021-05-06 09:50:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 311 transitions. [2021-05-06 09:50:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-05-06 09:50:33,157 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:33,158 INFO L523 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 29, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:33,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:33,382 INFO L428 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:33,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:33,382 INFO L82 PathProgramCache]: Analyzing trace with hash -986813085, now seen corresponding path program 29 times [2021-05-06 09:50:33,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:33,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227602628] [2021-05-06 09:50:33,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:33,388 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:33,388 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [495491830] [2021-05-06 09:50:33,388 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:33,652 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2021-05-06 09:50:33,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:33,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 63 conjunts are in the unsatisfiable core [2021-05-06 09:50:33,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:33,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:33,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3774 backedges. 58 proven. 3712 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:34,387 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:34,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227602628] [2021-05-06 09:50:34,387 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:34,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495491830] [2021-05-06 09:50:34,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495491830] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:34,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:34,387 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2021-05-06 09:50:34,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854440963] [2021-05-06 09:50:34,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-05-06 09:50:34,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:34,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-05-06 09:50:34,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2021-05-06 09:50:34,389 INFO L87 Difference]: Start difference. First operand 281 states and 311 transitions. Second operand has 33 states, 33 states have (on average 6.515151515151516) internal successors, (215), 32 states have internal predecessors, (215), 32 states have call successors, (34), 32 states have call predecessors, (34), 30 states have return successors, (32), 30 states have call predecessors, (32), 31 states have call successors, (32) [2021-05-06 09:50:34,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:34,991 INFO L93 Difference]: Finished difference Result 290 states and 321 transitions. [2021-05-06 09:50:34,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-05-06 09:50:34,992 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 6.515151515151516) internal successors, (215), 32 states have internal predecessors, (215), 32 states have call successors, (34), 32 states have call predecessors, (34), 30 states have return successors, (32), 30 states have call predecessors, (32), 31 states have call successors, (32) Word has length 284 [2021-05-06 09:50:34,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:34,993 INFO L225 Difference]: With dead ends: 290 [2021-05-06 09:50:34,993 INFO L226 Difference]: Without dead ends: 290 [2021-05-06 09:50:34,994 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 774.9ms TimeCoverageRelationStatistics Valid=1426, Invalid=2356, Unknown=0, NotChecked=0, Total=3782 [2021-05-06 09:50:34,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-05-06 09:50:34,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2021-05-06 09:50:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 222 states have (on average 1.1396396396396395) internal successors, (253), 222 states have internal predecessors, (253), 35 states have call successors, (35), 34 states have call predecessors, (35), 32 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-05-06 09:50:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 321 transitions. [2021-05-06 09:50:34,999 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 321 transitions. Word has length 284 [2021-05-06 09:50:34,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:34,999 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 321 transitions. [2021-05-06 09:50:34,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 6.515151515151516) internal successors, (215), 32 states have internal predecessors, (215), 32 states have call successors, (34), 32 states have call predecessors, (34), 30 states have return successors, (32), 30 states have call predecessors, (32), 31 states have call successors, (32) [2021-05-06 09:50:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 321 transitions. [2021-05-06 09:50:35,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-05-06 09:50:35,001 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:35,001 INFO L523 BasicCegarLoop]: trace histogram [31, 31, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:35,207 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-05-06 09:50:35,207 INFO L428 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:35,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:35,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1480042360, now seen corresponding path program 30 times [2021-05-06 09:50:35,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:35,208 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100976308] [2021-05-06 09:50:35,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:35,214 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:35,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [228918869] [2021-05-06 09:50:35,214 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:35,384 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2021-05-06 09:50:35,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:35,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 65 conjunts are in the unsatisfiable core [2021-05-06 09:50:35,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:35,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:35,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:36,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4039 backedges. 60 proven. 3975 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:36,172 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:36,172 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100976308] [2021-05-06 09:50:36,172 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:36,172 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228918869] [2021-05-06 09:50:36,172 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228918869] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:36,172 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:36,172 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2021-05-06 09:50:36,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101709755] [2021-05-06 09:50:36,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-05-06 09:50:36,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:36,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-05-06 09:50:36,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=592, Unknown=0, NotChecked=0, Total=1122 [2021-05-06 09:50:36,173 INFO L87 Difference]: Start difference. First operand 290 states and 321 transitions. Second operand has 34 states, 34 states have (on average 6.529411764705882) internal successors, (222), 33 states have internal predecessors, (222), 33 states have call successors, (35), 33 states have call predecessors, (35), 31 states have return successors, (33), 31 states have call predecessors, (33), 32 states have call successors, (33) [2021-05-06 09:50:36,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:36,853 INFO L93 Difference]: Finished difference Result 299 states and 331 transitions. [2021-05-06 09:50:36,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-05-06 09:50:36,853 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 6.529411764705882) internal successors, (222), 33 states have internal predecessors, (222), 33 states have call successors, (35), 33 states have call predecessors, (35), 31 states have return successors, (33), 31 states have call predecessors, (33), 32 states have call successors, (33) Word has length 293 [2021-05-06 09:50:36,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:36,854 INFO L225 Difference]: With dead ends: 299 [2021-05-06 09:50:36,854 INFO L226 Difference]: Without dead ends: 299 [2021-05-06 09:50:36,855 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 846.6ms TimeCoverageRelationStatistics Valid=1520, Invalid=2512, Unknown=0, NotChecked=0, Total=4032 [2021-05-06 09:50:36,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-05-06 09:50:36,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2021-05-06 09:50:36,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 229 states have (on average 1.1397379912663756) internal successors, (261), 229 states have internal predecessors, (261), 36 states have call successors, (36), 35 states have call predecessors, (36), 33 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2021-05-06 09:50:36,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 331 transitions. [2021-05-06 09:50:36,860 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 331 transitions. Word has length 293 [2021-05-06 09:50:36,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:36,861 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 331 transitions. [2021-05-06 09:50:36,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 6.529411764705882) internal successors, (222), 33 states have internal predecessors, (222), 33 states have call successors, (35), 33 states have call predecessors, (35), 31 states have return successors, (33), 31 states have call predecessors, (33), 32 states have call successors, (33) [2021-05-06 09:50:36,861 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 331 transitions. [2021-05-06 09:50:36,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-05-06 09:50:36,862 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:36,863 INFO L523 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 31, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:37,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:37,088 INFO L428 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:37,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:37,088 INFO L82 PathProgramCache]: Analyzing trace with hash -856296189, now seen corresponding path program 31 times [2021-05-06 09:50:37,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:37,088 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187505636] [2021-05-06 09:50:37,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:37,095 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:37,095 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [14227414] [2021-05-06 09:50:37,095 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:37,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 67 conjunts are in the unsatisfiable core [2021-05-06 09:50:37,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:37,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:37,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:38,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:38,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:38,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:38,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:38,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:38,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:38,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:38,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4313 backedges. 62 proven. 4247 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:38,109 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:38,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187505636] [2021-05-06 09:50:38,109 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:38,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14227414] [2021-05-06 09:50:38,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14227414] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:38,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:38,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2021-05-06 09:50:38,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078580187] [2021-05-06 09:50:38,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-05-06 09:50:38,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:38,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-05-06 09:50:38,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2021-05-06 09:50:38,111 INFO L87 Difference]: Start difference. First operand 299 states and 331 transitions. Second operand has 35 states, 35 states have (on average 6.542857142857143) internal successors, (229), 34 states have internal predecessors, (229), 34 states have call successors, (36), 34 states have call predecessors, (36), 32 states have return successors, (34), 32 states have call predecessors, (34), 33 states have call successors, (34) [2021-05-06 09:50:38,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:38,765 INFO L93 Difference]: Finished difference Result 308 states and 341 transitions. [2021-05-06 09:50:38,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-05-06 09:50:38,765 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 6.542857142857143) internal successors, (229), 34 states have internal predecessors, (229), 34 states have call successors, (36), 34 states have call predecessors, (36), 32 states have return successors, (34), 32 states have call predecessors, (34), 33 states have call successors, (34) Word has length 302 [2021-05-06 09:50:38,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:38,766 INFO L225 Difference]: With dead ends: 308 [2021-05-06 09:50:38,767 INFO L226 Difference]: Without dead ends: 308 [2021-05-06 09:50:38,767 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 899.3ms TimeCoverageRelationStatistics Valid=1617, Invalid=2673, Unknown=0, NotChecked=0, Total=4290 [2021-05-06 09:50:38,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-05-06 09:50:38,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2021-05-06 09:50:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 236 states have (on average 1.1398305084745763) internal successors, (269), 236 states have internal predecessors, (269), 37 states have call successors, (37), 36 states have call predecessors, (37), 34 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2021-05-06 09:50:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 341 transitions. [2021-05-06 09:50:38,773 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 341 transitions. Word has length 302 [2021-05-06 09:50:38,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:38,773 INFO L480 AbstractCegarLoop]: Abstraction has 308 states and 341 transitions. [2021-05-06 09:50:38,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 6.542857142857143) internal successors, (229), 34 states have internal predecessors, (229), 34 states have call successors, (36), 34 states have call predecessors, (36), 32 states have return successors, (34), 32 states have call predecessors, (34), 33 states have call successors, (34) [2021-05-06 09:50:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 341 transitions. [2021-05-06 09:50:38,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-05-06 09:50:38,775 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:38,775 INFO L523 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 32, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:38,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-05-06 09:50:38,981 INFO L428 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:38,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:38,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1998670888, now seen corresponding path program 32 times [2021-05-06 09:50:38,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:38,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770013847] [2021-05-06 09:50:38,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:38,987 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:38,987 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1158397433] [2021-05-06 09:50:38,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:39,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:50:39,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:39,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 69 conjunts are in the unsatisfiable core [2021-05-06 09:50:39,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:39,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:39,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:40,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:40,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:40,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4596 backedges. 64 proven. 4528 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:40,036 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:40,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770013847] [2021-05-06 09:50:40,036 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:40,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158397433] [2021-05-06 09:50:40,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158397433] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:40,036 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:40,036 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2021-05-06 09:50:40,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451524422] [2021-05-06 09:50:40,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-06 09:50:40,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:40,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-06 09:50:40,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2021-05-06 09:50:40,038 INFO L87 Difference]: Start difference. First operand 308 states and 341 transitions. Second operand has 36 states, 36 states have (on average 6.555555555555555) internal successors, (236), 35 states have internal predecessors, (236), 35 states have call successors, (37), 35 states have call predecessors, (37), 33 states have return successors, (35), 33 states have call predecessors, (35), 34 states have call successors, (35) [2021-05-06 09:50:40,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:40,759 INFO L93 Difference]: Finished difference Result 317 states and 351 transitions. [2021-05-06 09:50:40,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-05-06 09:50:40,759 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 6.555555555555555) internal successors, (236), 35 states have internal predecessors, (236), 35 states have call successors, (37), 35 states have call predecessors, (37), 33 states have return successors, (35), 33 states have call predecessors, (35), 34 states have call successors, (35) Word has length 311 [2021-05-06 09:50:40,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:40,760 INFO L225 Difference]: With dead ends: 317 [2021-05-06 09:50:40,761 INFO L226 Difference]: Without dead ends: 317 [2021-05-06 09:50:40,761 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 923.4ms TimeCoverageRelationStatistics Valid=1717, Invalid=2839, Unknown=0, NotChecked=0, Total=4556 [2021-05-06 09:50:40,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-05-06 09:50:40,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2021-05-06 09:50:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 243 states have (on average 1.139917695473251) internal successors, (277), 243 states have internal predecessors, (277), 38 states have call successors, (38), 37 states have call predecessors, (38), 35 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2021-05-06 09:50:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 351 transitions. [2021-05-06 09:50:40,766 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 351 transitions. Word has length 311 [2021-05-06 09:50:40,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:40,767 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 351 transitions. [2021-05-06 09:50:40,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 6.555555555555555) internal successors, (236), 35 states have internal predecessors, (236), 35 states have call successors, (37), 35 states have call predecessors, (37), 33 states have return successors, (35), 33 states have call predecessors, (35), 34 states have call successors, (35) [2021-05-06 09:50:40,767 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 351 transitions. [2021-05-06 09:50:40,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-05-06 09:50:40,769 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:40,769 INFO L523 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 33, 33, 33, 33, 33, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:40,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:40,985 INFO L428 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:40,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:40,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1963381923, now seen corresponding path program 33 times [2021-05-06 09:50:40,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:40,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056961949] [2021-05-06 09:50:40,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:40,992 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:40,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [477114772] [2021-05-06 09:50:40,993 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:41,195 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 34 check-sat command(s) [2021-05-06 09:50:41,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:41,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 71 conjunts are in the unsatisfiable core [2021-05-06 09:50:41,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:41,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:41,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:42,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:42,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:42,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:42,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:42,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4888 backedges. 66 proven. 4818 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:42,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:42,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056961949] [2021-05-06 09:50:42,080 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:42,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477114772] [2021-05-06 09:50:42,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477114772] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:42,080 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:42,080 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2021-05-06 09:50:42,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287329225] [2021-05-06 09:50:42,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-06 09:50:42,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:42,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-06 09:50:42,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=700, Unknown=0, NotChecked=0, Total=1332 [2021-05-06 09:50:42,082 INFO L87 Difference]: Start difference. First operand 317 states and 351 transitions. Second operand has 37 states, 37 states have (on average 6.5675675675675675) internal successors, (243), 36 states have internal predecessors, (243), 36 states have call successors, (38), 36 states have call predecessors, (38), 34 states have return successors, (36), 34 states have call predecessors, (36), 35 states have call successors, (36) [2021-05-06 09:50:42,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:42,770 INFO L93 Difference]: Finished difference Result 326 states and 361 transitions. [2021-05-06 09:50:42,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-05-06 09:50:42,770 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 6.5675675675675675) internal successors, (243), 36 states have internal predecessors, (243), 36 states have call successors, (38), 36 states have call predecessors, (38), 34 states have return successors, (36), 34 states have call predecessors, (36), 35 states have call successors, (36) Word has length 320 [2021-05-06 09:50:42,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:42,771 INFO L225 Difference]: With dead ends: 326 [2021-05-06 09:50:42,771 INFO L226 Difference]: Without dead ends: 326 [2021-05-06 09:50:42,771 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 941.4ms TimeCoverageRelationStatistics Valid=1820, Invalid=3010, Unknown=0, NotChecked=0, Total=4830 [2021-05-06 09:50:42,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-05-06 09:50:42,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2021-05-06 09:50:42,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 250 states have (on average 1.14) internal successors, (285), 250 states have internal predecessors, (285), 39 states have call successors, (39), 38 states have call predecessors, (39), 36 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2021-05-06 09:50:42,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 361 transitions. [2021-05-06 09:50:42,776 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 361 transitions. Word has length 320 [2021-05-06 09:50:42,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:42,777 INFO L480 AbstractCegarLoop]: Abstraction has 326 states and 361 transitions. [2021-05-06 09:50:42,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 6.5675675675675675) internal successors, (243), 36 states have internal predecessors, (243), 36 states have call successors, (38), 36 states have call predecessors, (38), 34 states have return successors, (36), 34 states have call predecessors, (36), 35 states have call successors, (36) [2021-05-06 09:50:42,777 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 361 transitions. [2021-05-06 09:50:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-05-06 09:50:42,779 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:42,779 INFO L523 BasicCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 34, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:43,004 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-05-06 09:50:43,004 INFO L428 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:43,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:43,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1707120584, now seen corresponding path program 34 times [2021-05-06 09:50:43,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:43,005 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043883606] [2021-05-06 09:50:43,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:43,011 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:43,011 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1138634578] [2021-05-06 09:50:43,011 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:43,159 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:50:43,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:43,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 73 conjunts are in the unsatisfiable core [2021-05-06 09:50:43,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:43,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:43,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:44,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:44,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:44,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:44,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:44,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:44,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:44,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:44,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:44,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5189 backedges. 68 proven. 5117 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:44,112 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:44,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043883606] [2021-05-06 09:50:44,112 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:44,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138634578] [2021-05-06 09:50:44,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138634578] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:44,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:44,113 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2021-05-06 09:50:44,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832289040] [2021-05-06 09:50:44,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-05-06 09:50:44,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:44,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-05-06 09:50:44,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=738, Unknown=0, NotChecked=0, Total=1406 [2021-05-06 09:50:44,114 INFO L87 Difference]: Start difference. First operand 326 states and 361 transitions. Second operand has 38 states, 38 states have (on average 6.578947368421052) internal successors, (250), 37 states have internal predecessors, (250), 37 states have call successors, (39), 37 states have call predecessors, (39), 35 states have return successors, (37), 35 states have call predecessors, (37), 36 states have call successors, (37) [2021-05-06 09:50:44,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:44,834 INFO L93 Difference]: Finished difference Result 335 states and 371 transitions. [2021-05-06 09:50:44,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-05-06 09:50:44,834 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 6.578947368421052) internal successors, (250), 37 states have internal predecessors, (250), 37 states have call successors, (39), 37 states have call predecessors, (39), 35 states have return successors, (37), 35 states have call predecessors, (37), 36 states have call successors, (37) Word has length 329 [2021-05-06 09:50:44,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:44,835 INFO L225 Difference]: With dead ends: 335 [2021-05-06 09:50:44,835 INFO L226 Difference]: Without dead ends: 335 [2021-05-06 09:50:44,836 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 1031.1ms TimeCoverageRelationStatistics Valid=1926, Invalid=3186, Unknown=0, NotChecked=0, Total=5112 [2021-05-06 09:50:44,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-05-06 09:50:44,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2021-05-06 09:50:44,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 257 states have (on average 1.140077821011673) internal successors, (293), 257 states have internal predecessors, (293), 40 states have call successors, (40), 39 states have call predecessors, (40), 37 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2021-05-06 09:50:44,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 371 transitions. [2021-05-06 09:50:44,841 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 371 transitions. Word has length 329 [2021-05-06 09:50:44,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:44,842 INFO L480 AbstractCegarLoop]: Abstraction has 335 states and 371 transitions. [2021-05-06 09:50:44,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 6.578947368421052) internal successors, (250), 37 states have internal predecessors, (250), 37 states have call successors, (39), 37 states have call predecessors, (39), 35 states have return successors, (37), 35 states have call predecessors, (37), 36 states have call successors, (37) [2021-05-06 09:50:44,842 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 371 transitions. [2021-05-06 09:50:44,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-05-06 09:50:44,843 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:44,844 INFO L523 BasicCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 35, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:45,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-05-06 09:50:45,053 INFO L428 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:45,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:45,053 INFO L82 PathProgramCache]: Analyzing trace with hash 784010307, now seen corresponding path program 35 times [2021-05-06 09:50:45,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:45,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946420665] [2021-05-06 09:50:45,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:45,061 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:45,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [638780670] [2021-05-06 09:50:45,062 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:45,308 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 36 check-sat command(s) [2021-05-06 09:50:45,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:45,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 75 conjunts are in the unsatisfiable core [2021-05-06 09:50:45,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:45,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:45,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 5499 backedges. 70 proven. 5425 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:46,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:46,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946420665] [2021-05-06 09:50:46,253 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:46,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638780670] [2021-05-06 09:50:46,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638780670] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:46,253 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:46,253 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2021-05-06 09:50:46,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651265011] [2021-05-06 09:50:46,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-05-06 09:50:46,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:46,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-05-06 09:50:46,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=777, Unknown=0, NotChecked=0, Total=1482 [2021-05-06 09:50:46,255 INFO L87 Difference]: Start difference. First operand 335 states and 371 transitions. Second operand has 39 states, 39 states have (on average 6.589743589743589) internal successors, (257), 38 states have internal predecessors, (257), 38 states have call successors, (40), 38 states have call predecessors, (40), 36 states have return successors, (38), 36 states have call predecessors, (38), 37 states have call successors, (38) [2021-05-06 09:50:47,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:47,013 INFO L93 Difference]: Finished difference Result 344 states and 381 transitions. [2021-05-06 09:50:47,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-05-06 09:50:47,014 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 6.589743589743589) internal successors, (257), 38 states have internal predecessors, (257), 38 states have call successors, (40), 38 states have call predecessors, (40), 36 states have return successors, (38), 36 states have call predecessors, (38), 37 states have call successors, (38) Word has length 338 [2021-05-06 09:50:47,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:47,015 INFO L225 Difference]: With dead ends: 344 [2021-05-06 09:50:47,015 INFO L226 Difference]: Without dead ends: 344 [2021-05-06 09:50:47,016 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 1041.8ms TimeCoverageRelationStatistics Valid=2035, Invalid=3367, Unknown=0, NotChecked=0, Total=5402 [2021-05-06 09:50:47,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-05-06 09:50:47,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2021-05-06 09:50:47,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 264 states have (on average 1.1401515151515151) internal successors, (301), 264 states have internal predecessors, (301), 41 states have call successors, (41), 40 states have call predecessors, (41), 38 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-05-06 09:50:47,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 381 transitions. [2021-05-06 09:50:47,021 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 381 transitions. Word has length 338 [2021-05-06 09:50:47,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:47,021 INFO L480 AbstractCegarLoop]: Abstraction has 344 states and 381 transitions. [2021-05-06 09:50:47,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 6.589743589743589) internal successors, (257), 38 states have internal predecessors, (257), 38 states have call successors, (40), 38 states have call predecessors, (40), 36 states have return successors, (38), 36 states have call predecessors, (38), 37 states have call successors, (38) [2021-05-06 09:50:47,022 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 381 transitions. [2021-05-06 09:50:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-05-06 09:50:47,023 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:47,023 INFO L523 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 36, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:47,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-05-06 09:50:47,249 INFO L428 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:47,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:47,249 INFO L82 PathProgramCache]: Analyzing trace with hash 4179096, now seen corresponding path program 36 times [2021-05-06 09:50:47,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:47,249 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804763212] [2021-05-06 09:50:47,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:47,254 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:47,254 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796098568] [2021-05-06 09:50:47,255 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:47,466 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 37 check-sat command(s) [2021-05-06 09:50:47,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:47,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 77 conjunts are in the unsatisfiable core [2021-05-06 09:50:47,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:47,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:47,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:48,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5818 backedges. 72 proven. 5742 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:48,478 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:48,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804763212] [2021-05-06 09:50:48,478 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:48,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796098568] [2021-05-06 09:50:48,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796098568] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:48,478 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:48,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2021-05-06 09:50:48,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234641725] [2021-05-06 09:50:48,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-05-06 09:50:48,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:48,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-05-06 09:50:48,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=743, Invalid=817, Unknown=0, NotChecked=0, Total=1560 [2021-05-06 09:50:48,480 INFO L87 Difference]: Start difference. First operand 344 states and 381 transitions. Second operand has 40 states, 40 states have (on average 6.6) internal successors, (264), 39 states have internal predecessors, (264), 39 states have call successors, (41), 39 states have call predecessors, (41), 37 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2021-05-06 09:50:49,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:49,298 INFO L93 Difference]: Finished difference Result 353 states and 391 transitions. [2021-05-06 09:50:49,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-05-06 09:50:49,298 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 6.6) internal successors, (264), 39 states have internal predecessors, (264), 39 states have call successors, (41), 39 states have call predecessors, (41), 37 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) Word has length 347 [2021-05-06 09:50:49,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:49,299 INFO L225 Difference]: With dead ends: 353 [2021-05-06 09:50:49,299 INFO L226 Difference]: Without dead ends: 353 [2021-05-06 09:50:49,300 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 1148.6ms TimeCoverageRelationStatistics Valid=2147, Invalid=3553, Unknown=0, NotChecked=0, Total=5700 [2021-05-06 09:50:49,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-05-06 09:50:49,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-05-06 09:50:49,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 271 states have (on average 1.1402214022140222) internal successors, (309), 271 states have internal predecessors, (309), 42 states have call successors, (42), 41 states have call predecessors, (42), 39 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-05-06 09:50:49,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 391 transitions. [2021-05-06 09:50:49,305 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 391 transitions. Word has length 347 [2021-05-06 09:50:49,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:49,305 INFO L480 AbstractCegarLoop]: Abstraction has 353 states and 391 transitions. [2021-05-06 09:50:49,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 6.6) internal successors, (264), 39 states have internal predecessors, (264), 39 states have call successors, (41), 39 states have call predecessors, (41), 37 states have return successors, (39), 37 states have call predecessors, (39), 38 states have call successors, (39) [2021-05-06 09:50:49,306 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 391 transitions. [2021-05-06 09:50:49,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-05-06 09:50:49,307 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:49,308 INFO L523 BasicCegarLoop]: trace histogram [38, 38, 37, 37, 37, 37, 37, 37, 37, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:49,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-05-06 09:50:49,533 INFO L428 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:49,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:49,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1997759517, now seen corresponding path program 37 times [2021-05-06 09:50:49,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:49,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490541505] [2021-05-06 09:50:49,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:49,540 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:49,540 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1906212447] [2021-05-06 09:50:49,540 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:50:49,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 79 conjunts are in the unsatisfiable core [2021-05-06 09:50:49,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:49,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:49,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6146 backedges. 74 proven. 6068 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:50,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:50,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490541505] [2021-05-06 09:50:50,758 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:50,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906212447] [2021-05-06 09:50:50,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906212447] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:50,758 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:50,758 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2021-05-06 09:50:50,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908879401] [2021-05-06 09:50:50,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-05-06 09:50:50,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:50,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-05-06 09:50:50,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=858, Unknown=0, NotChecked=0, Total=1640 [2021-05-06 09:50:50,759 INFO L87 Difference]: Start difference. First operand 353 states and 391 transitions. Second operand has 41 states, 41 states have (on average 6.609756097560975) internal successors, (271), 40 states have internal predecessors, (271), 40 states have call successors, (42), 40 states have call predecessors, (42), 38 states have return successors, (40), 38 states have call predecessors, (40), 39 states have call successors, (40) [2021-05-06 09:50:51,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:51,596 INFO L93 Difference]: Finished difference Result 362 states and 401 transitions. [2021-05-06 09:50:51,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-05-06 09:50:51,596 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 6.609756097560975) internal successors, (271), 40 states have internal predecessors, (271), 40 states have call successors, (42), 40 states have call predecessors, (42), 38 states have return successors, (40), 38 states have call predecessors, (40), 39 states have call successors, (40) Word has length 356 [2021-05-06 09:50:51,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:51,597 INFO L225 Difference]: With dead ends: 362 [2021-05-06 09:50:51,597 INFO L226 Difference]: Without dead ends: 362 [2021-05-06 09:50:51,598 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 1179.6ms TimeCoverageRelationStatistics Valid=2262, Invalid=3744, Unknown=0, NotChecked=0, Total=6006 [2021-05-06 09:50:51,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-05-06 09:50:51,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2021-05-06 09:50:51,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 278 states have (on average 1.1402877697841727) internal successors, (317), 278 states have internal predecessors, (317), 43 states have call successors, (43), 42 states have call predecessors, (43), 40 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2021-05-06 09:50:51,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 401 transitions. [2021-05-06 09:50:51,603 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 401 transitions. Word has length 356 [2021-05-06 09:50:51,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:51,604 INFO L480 AbstractCegarLoop]: Abstraction has 362 states and 401 transitions. [2021-05-06 09:50:51,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 6.609756097560975) internal successors, (271), 40 states have internal predecessors, (271), 40 states have call successors, (42), 40 states have call predecessors, (42), 38 states have return successors, (40), 38 states have call predecessors, (40), 39 states have call successors, (40) [2021-05-06 09:50:51,604 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 401 transitions. [2021-05-06 09:50:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-05-06 09:50:51,622 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:51,622 INFO L523 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 38, 38, 38, 38, 38, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:51,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:51,837 INFO L428 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:51,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:51,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1095092472, now seen corresponding path program 38 times [2021-05-06 09:50:51,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:51,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987448987] [2021-05-06 09:50:51,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:51,844 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:51,844 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346992293] [2021-05-06 09:50:51,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:51,983 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:50:51,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:51,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 81 conjunts are in the unsatisfiable core [2021-05-06 09:50:51,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:51,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:51,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:51,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:52,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:53,016 INFO L134 CoverageAnalysis]: Checked inductivity of 6483 backedges. 76 proven. 6403 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:53,016 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:53,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987448987] [2021-05-06 09:50:53,016 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:53,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346992293] [2021-05-06 09:50:53,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346992293] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:53,016 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:53,016 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2021-05-06 09:50:53,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113290319] [2021-05-06 09:50:53,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-05-06 09:50:53,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:53,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-05-06 09:50:53,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=822, Invalid=900, Unknown=0, NotChecked=0, Total=1722 [2021-05-06 09:50:53,017 INFO L87 Difference]: Start difference. First operand 362 states and 401 transitions. Second operand has 42 states, 42 states have (on average 6.619047619047619) internal successors, (278), 41 states have internal predecessors, (278), 41 states have call successors, (43), 41 states have call predecessors, (43), 39 states have return successors, (41), 39 states have call predecessors, (41), 40 states have call successors, (41) [2021-05-06 09:50:53,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:53,956 INFO L93 Difference]: Finished difference Result 371 states and 411 transitions. [2021-05-06 09:50:53,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-05-06 09:50:53,956 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 6.619047619047619) internal successors, (278), 41 states have internal predecessors, (278), 41 states have call successors, (43), 41 states have call predecessors, (43), 39 states have return successors, (41), 39 states have call predecessors, (41), 40 states have call successors, (41) Word has length 365 [2021-05-06 09:50:53,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:53,958 INFO L225 Difference]: With dead ends: 371 [2021-05-06 09:50:53,958 INFO L226 Difference]: Without dead ends: 371 [2021-05-06 09:50:53,959 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 1257.5ms TimeCoverageRelationStatistics Valid=2380, Invalid=3940, Unknown=0, NotChecked=0, Total=6320 [2021-05-06 09:50:53,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-05-06 09:50:53,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2021-05-06 09:50:53,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 285 states have (on average 1.1403508771929824) internal successors, (325), 285 states have internal predecessors, (325), 44 states have call successors, (44), 43 states have call predecessors, (44), 41 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2021-05-06 09:50:53,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 411 transitions. [2021-05-06 09:50:53,965 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 411 transitions. Word has length 365 [2021-05-06 09:50:53,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:53,965 INFO L480 AbstractCegarLoop]: Abstraction has 371 states and 411 transitions. [2021-05-06 09:50:53,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 6.619047619047619) internal successors, (278), 41 states have internal predecessors, (278), 41 states have call successors, (43), 41 states have call predecessors, (43), 39 states have return successors, (41), 39 states have call predecessors, (41), 40 states have call successors, (41) [2021-05-06 09:50:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 411 transitions. [2021-05-06 09:50:53,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-05-06 09:50:53,967 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:53,967 INFO L523 BasicCegarLoop]: trace histogram [40, 40, 39, 39, 39, 39, 39, 39, 39, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:54,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-05-06 09:50:54,189 INFO L428 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:54,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:54,189 INFO L82 PathProgramCache]: Analyzing trace with hash -805993597, now seen corresponding path program 39 times [2021-05-06 09:50:54,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:54,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621935177] [2021-05-06 09:50:54,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:54,194 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:54,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2065313310] [2021-05-06 09:50:54,195 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:54,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 40 check-sat command(s) [2021-05-06 09:50:54,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:54,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 83 conjunts are in the unsatisfiable core [2021-05-06 09:50:54,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:54,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:54,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6829 backedges. 78 proven. 6747 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:55,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:55,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621935177] [2021-05-06 09:50:55,632 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:55,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065313310] [2021-05-06 09:50:55,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065313310] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:55,632 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:55,632 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2021-05-06 09:50:55,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509606308] [2021-05-06 09:50:55,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-05-06 09:50:55,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:55,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-05-06 09:50:55,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=863, Invalid=943, Unknown=0, NotChecked=0, Total=1806 [2021-05-06 09:50:55,633 INFO L87 Difference]: Start difference. First operand 371 states and 411 transitions. Second operand has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 42 states have internal predecessors, (285), 42 states have call successors, (44), 42 states have call predecessors, (44), 40 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2021-05-06 09:50:56,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:56,556 INFO L93 Difference]: Finished difference Result 380 states and 421 transitions. [2021-05-06 09:50:56,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-05-06 09:50:56,557 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 42 states have internal predecessors, (285), 42 states have call successors, (44), 42 states have call predecessors, (44), 40 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) Word has length 374 [2021-05-06 09:50:56,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:56,559 INFO L225 Difference]: With dead ends: 380 [2021-05-06 09:50:56,559 INFO L226 Difference]: Without dead ends: 380 [2021-05-06 09:50:56,560 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 1294.3ms TimeCoverageRelationStatistics Valid=2501, Invalid=4141, Unknown=0, NotChecked=0, Total=6642 [2021-05-06 09:50:56,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2021-05-06 09:50:56,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2021-05-06 09:50:56,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 292 states have (on average 1.1404109589041096) internal successors, (333), 292 states have internal predecessors, (333), 45 states have call successors, (45), 44 states have call predecessors, (45), 42 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2021-05-06 09:50:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 421 transitions. [2021-05-06 09:50:56,566 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 421 transitions. Word has length 374 [2021-05-06 09:50:56,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:56,566 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 421 transitions. [2021-05-06 09:50:56,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 42 states have internal predecessors, (285), 42 states have call successors, (44), 42 states have call predecessors, (44), 40 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2021-05-06 09:50:56,567 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 421 transitions. [2021-05-06 09:50:56,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-05-06 09:50:56,568 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:56,569 INFO L523 BasicCegarLoop]: trace histogram [41, 41, 40, 40, 40, 40, 40, 40, 40, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:56,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:56,795 INFO L428 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:56,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:56,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1446475096, now seen corresponding path program 40 times [2021-05-06 09:50:56,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:56,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349597609] [2021-05-06 09:50:56,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:56,802 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:56,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [284651222] [2021-05-06 09:50:56,803 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:56,990 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:50:56,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:56,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 85 conjunts are in the unsatisfiable core [2021-05-06 09:50:56,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:57,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:57,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:58,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:58,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:58,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:58,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:58,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:58,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:58,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:58,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:58,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:58,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:58,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:58,174 INFO L134 CoverageAnalysis]: Checked inductivity of 7184 backedges. 80 proven. 7100 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:50:58,175 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:50:58,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349597609] [2021-05-06 09:50:58,175 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:50:58,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284651222] [2021-05-06 09:50:58,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284651222] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:50:58,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:50:58,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2021-05-06 09:50:58,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781879075] [2021-05-06 09:50:58,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-05-06 09:50:58,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:50:58,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-05-06 09:50:58,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=905, Invalid=987, Unknown=0, NotChecked=0, Total=1892 [2021-05-06 09:50:58,177 INFO L87 Difference]: Start difference. First operand 380 states and 421 transitions. Second operand has 44 states, 44 states have (on average 6.636363636363637) internal successors, (292), 43 states have internal predecessors, (292), 43 states have call successors, (45), 43 states have call predecessors, (45), 41 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) [2021-05-06 09:50:59,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:50:59,151 INFO L93 Difference]: Finished difference Result 389 states and 431 transitions. [2021-05-06 09:50:59,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-06 09:50:59,152 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 6.636363636363637) internal successors, (292), 43 states have internal predecessors, (292), 43 states have call successors, (45), 43 states have call predecessors, (45), 41 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) Word has length 383 [2021-05-06 09:50:59,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:50:59,153 INFO L225 Difference]: With dead ends: 389 [2021-05-06 09:50:59,153 INFO L226 Difference]: Without dead ends: 389 [2021-05-06 09:50:59,154 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 1354.6ms TimeCoverageRelationStatistics Valid=2625, Invalid=4347, Unknown=0, NotChecked=0, Total=6972 [2021-05-06 09:50:59,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2021-05-06 09:50:59,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2021-05-06 09:50:59,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 299 states have (on average 1.140468227424749) internal successors, (341), 299 states have internal predecessors, (341), 46 states have call successors, (46), 45 states have call predecessors, (46), 43 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2021-05-06 09:50:59,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 431 transitions. [2021-05-06 09:50:59,159 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 431 transitions. Word has length 383 [2021-05-06 09:50:59,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:50:59,160 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 431 transitions. [2021-05-06 09:50:59,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 6.636363636363637) internal successors, (292), 43 states have internal predecessors, (292), 43 states have call successors, (45), 43 states have call predecessors, (45), 41 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) [2021-05-06 09:50:59,160 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 431 transitions. [2021-05-06 09:50:59,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2021-05-06 09:50:59,162 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:50:59,162 INFO L523 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 41, 41, 41, 41, 41, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:50:59,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:59,377 INFO L428 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:50:59,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:50:59,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1380990173, now seen corresponding path program 41 times [2021-05-06 09:50:59,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:50:59,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351569540] [2021-05-06 09:50:59,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:50:59,382 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:50:59,383 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [991278685] [2021-05-06 09:50:59,383 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:50:59,743 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) [2021-05-06 09:50:59,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:50:59,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 87 conjunts are in the unsatisfiable core [2021-05-06 09:50:59,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:50:59,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:50:59,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 7548 backedges. 82 proven. 7462 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:00,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:00,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351569540] [2021-05-06 09:51:00,901 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:00,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991278685] [2021-05-06 09:51:00,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991278685] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:00,902 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:00,902 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2021-05-06 09:51:00,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907189169] [2021-05-06 09:51:00,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-05-06 09:51:00,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:00,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-05-06 09:51:00,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=948, Invalid=1032, Unknown=0, NotChecked=0, Total=1980 [2021-05-06 09:51:00,903 INFO L87 Difference]: Start difference. First operand 389 states and 431 transitions. Second operand has 45 states, 45 states have (on average 6.644444444444445) internal successors, (299), 44 states have internal predecessors, (299), 44 states have call successors, (46), 44 states have call predecessors, (46), 42 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2021-05-06 09:51:01,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:01,906 INFO L93 Difference]: Finished difference Result 398 states and 441 transitions. [2021-05-06 09:51:01,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-05-06 09:51:01,906 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 6.644444444444445) internal successors, (299), 44 states have internal predecessors, (299), 44 states have call successors, (46), 44 states have call predecessors, (46), 42 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) Word has length 392 [2021-05-06 09:51:01,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:01,907 INFO L225 Difference]: With dead ends: 398 [2021-05-06 09:51:01,907 INFO L226 Difference]: Without dead ends: 398 [2021-05-06 09:51:01,908 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 861 ImplicationChecksByTransitivity, 1391.0ms TimeCoverageRelationStatistics Valid=2752, Invalid=4558, Unknown=0, NotChecked=0, Total=7310 [2021-05-06 09:51:01,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2021-05-06 09:51:01,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2021-05-06 09:51:01,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 306 states have (on average 1.1405228758169934) internal successors, (349), 306 states have internal predecessors, (349), 47 states have call successors, (47), 46 states have call predecessors, (47), 44 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2021-05-06 09:51:01,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 441 transitions. [2021-05-06 09:51:01,914 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 441 transitions. Word has length 392 [2021-05-06 09:51:01,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:01,914 INFO L480 AbstractCegarLoop]: Abstraction has 398 states and 441 transitions. [2021-05-06 09:51:01,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 6.644444444444445) internal successors, (299), 44 states have internal predecessors, (299), 44 states have call successors, (46), 44 states have call predecessors, (46), 42 states have return successors, (44), 42 states have call predecessors, (44), 43 states have call successors, (44) [2021-05-06 09:51:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 441 transitions. [2021-05-06 09:51:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-05-06 09:51:01,916 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:01,916 INFO L523 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 42, 42, 42, 42, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:02,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-05-06 09:51:02,123 INFO L428 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:02,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:02,124 INFO L82 PathProgramCache]: Analyzing trace with hash 175819192, now seen corresponding path program 42 times [2021-05-06 09:51:02,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:02,124 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172243237] [2021-05-06 09:51:02,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:02,130 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:02,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1319315750] [2021-05-06 09:51:02,130 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:02,429 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 43 check-sat command(s) [2021-05-06 09:51:02,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:02,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 89 conjunts are in the unsatisfiable core [2021-05-06 09:51:02,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:02,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:02,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 7921 backedges. 84 proven. 7833 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:03,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:03,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172243237] [2021-05-06 09:51:03,637 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:03,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319315750] [2021-05-06 09:51:03,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319315750] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:03,637 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:03,637 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2021-05-06 09:51:03,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834294640] [2021-05-06 09:51:03,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-05-06 09:51:03,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:03,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-05-06 09:51:03,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=992, Invalid=1078, Unknown=0, NotChecked=0, Total=2070 [2021-05-06 09:51:03,638 INFO L87 Difference]: Start difference. First operand 398 states and 441 transitions. Second operand has 46 states, 46 states have (on average 6.6521739130434785) internal successors, (306), 45 states have internal predecessors, (306), 45 states have call successors, (47), 45 states have call predecessors, (47), 43 states have return successors, (45), 43 states have call predecessors, (45), 44 states have call successors, (45) [2021-05-06 09:51:04,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:04,707 INFO L93 Difference]: Finished difference Result 407 states and 451 transitions. [2021-05-06 09:51:04,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-05-06 09:51:04,707 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 6.6521739130434785) internal successors, (306), 45 states have internal predecessors, (306), 45 states have call successors, (47), 45 states have call predecessors, (47), 43 states have return successors, (45), 43 states have call predecessors, (45), 44 states have call successors, (45) Word has length 401 [2021-05-06 09:51:04,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:04,708 INFO L225 Difference]: With dead ends: 407 [2021-05-06 09:51:04,708 INFO L226 Difference]: Without dead ends: 407 [2021-05-06 09:51:04,709 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 903 ImplicationChecksByTransitivity, 1474.7ms TimeCoverageRelationStatistics Valid=2882, Invalid=4774, Unknown=0, NotChecked=0, Total=7656 [2021-05-06 09:51:04,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2021-05-06 09:51:04,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2021-05-06 09:51:04,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 313 states have (on average 1.1405750798722045) internal successors, (357), 313 states have internal predecessors, (357), 48 states have call successors, (48), 47 states have call predecessors, (48), 45 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2021-05-06 09:51:04,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 451 transitions. [2021-05-06 09:51:04,713 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 451 transitions. Word has length 401 [2021-05-06 09:51:04,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:04,714 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 451 transitions. [2021-05-06 09:51:04,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 6.6521739130434785) internal successors, (306), 45 states have internal predecessors, (306), 45 states have call successors, (47), 45 states have call predecessors, (47), 43 states have return successors, (45), 43 states have call predecessors, (45), 44 states have call successors, (45) [2021-05-06 09:51:04,714 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 451 transitions. [2021-05-06 09:51:04,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-05-06 09:51:04,716 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:04,716 INFO L523 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 43, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:04,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-05-06 09:51:04,926 INFO L428 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:04,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:04,927 INFO L82 PathProgramCache]: Analyzing trace with hash -915055933, now seen corresponding path program 43 times [2021-05-06 09:51:04,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:04,927 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146969392] [2021-05-06 09:51:04,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:04,932 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:04,932 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1741174243] [2021-05-06 09:51:04,932 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:51:05,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 91 conjunts are in the unsatisfiable core [2021-05-06 09:51:05,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:05,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:05,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 8303 backedges. 86 proven. 8213 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:06,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:06,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146969392] [2021-05-06 09:51:06,328 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:06,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741174243] [2021-05-06 09:51:06,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741174243] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:06,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:06,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2021-05-06 09:51:06,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179091775] [2021-05-06 09:51:06,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-05-06 09:51:06,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:06,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-05-06 09:51:06,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1037, Invalid=1125, Unknown=0, NotChecked=0, Total=2162 [2021-05-06 09:51:06,330 INFO L87 Difference]: Start difference. First operand 407 states and 451 transitions. Second operand has 47 states, 47 states have (on average 6.659574468085107) internal successors, (313), 46 states have internal predecessors, (313), 46 states have call successors, (48), 46 states have call predecessors, (48), 44 states have return successors, (46), 44 states have call predecessors, (46), 45 states have call successors, (46) [2021-05-06 09:51:07,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:07,426 INFO L93 Difference]: Finished difference Result 416 states and 461 transitions. [2021-05-06 09:51:07,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-05-06 09:51:07,426 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 6.659574468085107) internal successors, (313), 46 states have internal predecessors, (313), 46 states have call successors, (48), 46 states have call predecessors, (48), 44 states have return successors, (46), 44 states have call predecessors, (46), 45 states have call successors, (46) Word has length 410 [2021-05-06 09:51:07,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:07,427 INFO L225 Difference]: With dead ends: 416 [2021-05-06 09:51:07,428 INFO L226 Difference]: Without dead ends: 416 [2021-05-06 09:51:07,428 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 1521.6ms TimeCoverageRelationStatistics Valid=3015, Invalid=4995, Unknown=0, NotChecked=0, Total=8010 [2021-05-06 09:51:07,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-05-06 09:51:07,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2021-05-06 09:51:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 320 states have (on average 1.140625) internal successors, (365), 320 states have internal predecessors, (365), 49 states have call successors, (49), 48 states have call predecessors, (49), 46 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2021-05-06 09:51:07,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 461 transitions. [2021-05-06 09:51:07,434 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 461 transitions. Word has length 410 [2021-05-06 09:51:07,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:07,434 INFO L480 AbstractCegarLoop]: Abstraction has 416 states and 461 transitions. [2021-05-06 09:51:07,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 6.659574468085107) internal successors, (313), 46 states have internal predecessors, (313), 46 states have call successors, (48), 46 states have call predecessors, (48), 44 states have return successors, (46), 44 states have call predecessors, (46), 45 states have call successors, (46) [2021-05-06 09:51:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 461 transitions. [2021-05-06 09:51:07,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-05-06 09:51:07,436 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:07,437 INFO L523 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 44, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:07,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-05-06 09:51:07,661 INFO L428 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:07,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:07,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1542833688, now seen corresponding path program 44 times [2021-05-06 09:51:07,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:07,662 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425385050] [2021-05-06 09:51:07,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:07,668 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:07,668 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [971287167] [2021-05-06 09:51:07,668 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:07,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:51:07,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:07,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 93 conjunts are in the unsatisfiable core [2021-05-06 09:51:07,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:07,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:07,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:08,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:09,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:09,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:09,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:09,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:09,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:09,095 INFO L134 CoverageAnalysis]: Checked inductivity of 8694 backedges. 88 proven. 8602 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:09,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:09,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425385050] [2021-05-06 09:51:09,095 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:09,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971287167] [2021-05-06 09:51:09,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971287167] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:09,095 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:09,095 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2021-05-06 09:51:09,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725648256] [2021-05-06 09:51:09,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-05-06 09:51:09,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:09,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-05-06 09:51:09,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1083, Invalid=1173, Unknown=0, NotChecked=0, Total=2256 [2021-05-06 09:51:09,097 INFO L87 Difference]: Start difference. First operand 416 states and 461 transitions. Second operand has 48 states, 48 states have (on average 6.666666666666667) internal successors, (320), 47 states have internal predecessors, (320), 47 states have call successors, (49), 47 states have call predecessors, (49), 45 states have return successors, (47), 45 states have call predecessors, (47), 46 states have call successors, (47) [2021-05-06 09:51:10,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:10,226 INFO L93 Difference]: Finished difference Result 425 states and 471 transitions. [2021-05-06 09:51:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-05-06 09:51:10,227 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 6.666666666666667) internal successors, (320), 47 states have internal predecessors, (320), 47 states have call successors, (49), 47 states have call predecessors, (49), 45 states have return successors, (47), 45 states have call predecessors, (47), 46 states have call successors, (47) Word has length 419 [2021-05-06 09:51:10,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:10,228 INFO L225 Difference]: With dead ends: 425 [2021-05-06 09:51:10,228 INFO L226 Difference]: Without dead ends: 425 [2021-05-06 09:51:10,229 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 1580.5ms TimeCoverageRelationStatistics Valid=3151, Invalid=5221, Unknown=0, NotChecked=0, Total=8372 [2021-05-06 09:51:10,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-05-06 09:51:10,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2021-05-06 09:51:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 327 states have (on average 1.1406727828746177) internal successors, (373), 327 states have internal predecessors, (373), 50 states have call successors, (50), 49 states have call predecessors, (50), 47 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2021-05-06 09:51:10,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 471 transitions. [2021-05-06 09:51:10,234 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 471 transitions. Word has length 419 [2021-05-06 09:51:10,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:10,234 INFO L480 AbstractCegarLoop]: Abstraction has 425 states and 471 transitions. [2021-05-06 09:51:10,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 6.666666666666667) internal successors, (320), 47 states have internal predecessors, (320), 47 states have call successors, (49), 47 states have call predecessors, (49), 45 states have return successors, (47), 45 states have call predecessors, (47), 46 states have call successors, (47) [2021-05-06 09:51:10,234 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 471 transitions. [2021-05-06 09:51:10,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-05-06 09:51:10,237 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:10,237 INFO L523 BasicCegarLoop]: trace histogram [46, 46, 45, 45, 45, 45, 45, 45, 45, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:10,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:10,462 INFO L428 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:10,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:10,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1746946659, now seen corresponding path program 45 times [2021-05-06 09:51:10,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:10,463 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246137211] [2021-05-06 09:51:10,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:10,470 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:10,471 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1857352668] [2021-05-06 09:51:10,471 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:10,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 46 check-sat command(s) [2021-05-06 09:51:10,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:10,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 95 conjunts are in the unsatisfiable core [2021-05-06 09:51:10,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:10,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:10,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:11,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 9094 backedges. 90 proven. 9000 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:12,187 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:12,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246137211] [2021-05-06 09:51:12,188 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:12,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857352668] [2021-05-06 09:51:12,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857352668] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:12,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:12,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2021-05-06 09:51:12,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032714635] [2021-05-06 09:51:12,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-05-06 09:51:12,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:12,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-05-06 09:51:12,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=1222, Unknown=0, NotChecked=0, Total=2352 [2021-05-06 09:51:12,189 INFO L87 Difference]: Start difference. First operand 425 states and 471 transitions. Second operand has 49 states, 49 states have (on average 6.673469387755102) internal successors, (327), 48 states have internal predecessors, (327), 48 states have call successors, (50), 48 states have call predecessors, (50), 46 states have return successors, (48), 46 states have call predecessors, (48), 47 states have call successors, (48) [2021-05-06 09:51:13,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:13,340 INFO L93 Difference]: Finished difference Result 434 states and 481 transitions. [2021-05-06 09:51:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-05-06 09:51:13,341 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 6.673469387755102) internal successors, (327), 48 states have internal predecessors, (327), 48 states have call successors, (50), 48 states have call predecessors, (50), 46 states have return successors, (48), 46 states have call predecessors, (48), 47 states have call successors, (48) Word has length 428 [2021-05-06 09:51:13,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:13,342 INFO L225 Difference]: With dead ends: 434 [2021-05-06 09:51:13,342 INFO L226 Difference]: Without dead ends: 434 [2021-05-06 09:51:13,342 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 1650.0ms TimeCoverageRelationStatistics Valid=3290, Invalid=5452, Unknown=0, NotChecked=0, Total=8742 [2021-05-06 09:51:13,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2021-05-06 09:51:13,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2021-05-06 09:51:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 334 states have (on average 1.1407185628742516) internal successors, (381), 334 states have internal predecessors, (381), 51 states have call successors, (51), 50 states have call predecessors, (51), 48 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2021-05-06 09:51:13,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 481 transitions. [2021-05-06 09:51:13,347 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 481 transitions. Word has length 428 [2021-05-06 09:51:13,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:13,348 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 481 transitions. [2021-05-06 09:51:13,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 6.673469387755102) internal successors, (327), 48 states have internal predecessors, (327), 48 states have call successors, (50), 48 states have call predecessors, (50), 46 states have return successors, (48), 46 states have call predecessors, (48), 47 states have call successors, (48) [2021-05-06 09:51:13,348 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 481 transitions. [2021-05-06 09:51:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-05-06 09:51:13,350 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:13,351 INFO L523 BasicCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 46, 46, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:13,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-05-06 09:51:13,565 INFO L428 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:13,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:13,565 INFO L82 PathProgramCache]: Analyzing trace with hash -619812232, now seen corresponding path program 46 times [2021-05-06 09:51:13,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:13,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054666167] [2021-05-06 09:51:13,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:13,572 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:13,572 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1817210544] [2021-05-06 09:51:13,572 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:13,738 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:51:13,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:13,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 97 conjunts are in the unsatisfiable core [2021-05-06 09:51:13,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:13,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:13,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:14,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:15,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:15,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:15,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:15,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:15,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:15,085 INFO L134 CoverageAnalysis]: Checked inductivity of 9503 backedges. 92 proven. 9407 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:15,086 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:15,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054666167] [2021-05-06 09:51:15,086 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:15,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817210544] [2021-05-06 09:51:15,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817210544] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:15,086 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:15,086 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2021-05-06 09:51:15,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246248981] [2021-05-06 09:51:15,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-05-06 09:51:15,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:15,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-05-06 09:51:15,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1178, Invalid=1272, Unknown=0, NotChecked=0, Total=2450 [2021-05-06 09:51:15,087 INFO L87 Difference]: Start difference. First operand 434 states and 481 transitions. Second operand has 50 states, 50 states have (on average 6.68) internal successors, (334), 49 states have internal predecessors, (334), 49 states have call successors, (51), 49 states have call predecessors, (51), 47 states have return successors, (49), 47 states have call predecessors, (49), 48 states have call successors, (49) [2021-05-06 09:51:16,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:16,273 INFO L93 Difference]: Finished difference Result 443 states and 491 transitions. [2021-05-06 09:51:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-05-06 09:51:16,274 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 6.68) internal successors, (334), 49 states have internal predecessors, (334), 49 states have call successors, (51), 49 states have call predecessors, (51), 47 states have return successors, (49), 47 states have call predecessors, (49), 48 states have call successors, (49) Word has length 437 [2021-05-06 09:51:16,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:16,275 INFO L225 Difference]: With dead ends: 443 [2021-05-06 09:51:16,275 INFO L226 Difference]: Without dead ends: 443 [2021-05-06 09:51:16,276 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 1699.8ms TimeCoverageRelationStatistics Valid=3432, Invalid=5688, Unknown=0, NotChecked=0, Total=9120 [2021-05-06 09:51:16,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-05-06 09:51:16,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2021-05-06 09:51:16,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 341 states have (on average 1.1407624633431086) internal successors, (389), 341 states have internal predecessors, (389), 52 states have call successors, (52), 51 states have call predecessors, (52), 49 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-05-06 09:51:16,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 491 transitions. [2021-05-06 09:51:16,281 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 491 transitions. Word has length 437 [2021-05-06 09:51:16,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:16,281 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 491 transitions. [2021-05-06 09:51:16,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 6.68) internal successors, (334), 49 states have internal predecessors, (334), 49 states have call successors, (51), 49 states have call predecessors, (51), 47 states have return successors, (49), 47 states have call predecessors, (49), 48 states have call successors, (49) [2021-05-06 09:51:16,281 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 491 transitions. [2021-05-06 09:51:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-05-06 09:51:16,284 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:16,284 INFO L523 BasicCegarLoop]: trace histogram [48, 48, 47, 47, 47, 47, 47, 47, 47, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:16,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-05-06 09:51:16,509 INFO L428 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:16,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:16,509 INFO L82 PathProgramCache]: Analyzing trace with hash 202019331, now seen corresponding path program 47 times [2021-05-06 09:51:16,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:16,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594305800] [2021-05-06 09:51:16,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:16,524 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:16,524 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [913004373] [2021-05-06 09:51:16,524 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:16,984 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 48 check-sat command(s) [2021-05-06 09:51:16,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:16,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 99 conjunts are in the unsatisfiable core [2021-05-06 09:51:16,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:17,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:17,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 9921 backedges. 94 proven. 9823 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:18,577 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:18,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594305800] [2021-05-06 09:51:18,578 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:18,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913004373] [2021-05-06 09:51:18,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913004373] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:18,578 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:18,578 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2021-05-06 09:51:18,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750331435] [2021-05-06 09:51:18,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-05-06 09:51:18,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:18,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-05-06 09:51:18,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1227, Invalid=1323, Unknown=0, NotChecked=0, Total=2550 [2021-05-06 09:51:18,579 INFO L87 Difference]: Start difference. First operand 443 states and 491 transitions. Second operand has 51 states, 51 states have (on average 6.686274509803922) internal successors, (341), 50 states have internal predecessors, (341), 50 states have call successors, (52), 50 states have call predecessors, (52), 48 states have return successors, (50), 48 states have call predecessors, (50), 49 states have call successors, (50) [2021-05-06 09:51:19,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:19,832 INFO L93 Difference]: Finished difference Result 452 states and 501 transitions. [2021-05-06 09:51:19,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-05-06 09:51:19,833 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 6.686274509803922) internal successors, (341), 50 states have internal predecessors, (341), 50 states have call successors, (52), 50 states have call predecessors, (52), 48 states have return successors, (50), 48 states have call predecessors, (50), 49 states have call successors, (50) Word has length 446 [2021-05-06 09:51:19,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:19,834 INFO L225 Difference]: With dead ends: 452 [2021-05-06 09:51:19,834 INFO L226 Difference]: Without dead ends: 452 [2021-05-06 09:51:19,835 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1128 ImplicationChecksByTransitivity, 1880.2ms TimeCoverageRelationStatistics Valid=3577, Invalid=5929, Unknown=0, NotChecked=0, Total=9506 [2021-05-06 09:51:19,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-05-06 09:51:19,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2021-05-06 09:51:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 348 states have (on average 1.1408045977011494) internal successors, (397), 348 states have internal predecessors, (397), 53 states have call successors, (53), 52 states have call predecessors, (53), 50 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2021-05-06 09:51:19,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 501 transitions. [2021-05-06 09:51:19,840 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 501 transitions. Word has length 446 [2021-05-06 09:51:19,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:19,840 INFO L480 AbstractCegarLoop]: Abstraction has 452 states and 501 transitions. [2021-05-06 09:51:19,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 6.686274509803922) internal successors, (341), 50 states have internal predecessors, (341), 50 states have call successors, (52), 50 states have call predecessors, (52), 48 states have return successors, (50), 48 states have call predecessors, (50), 49 states have call successors, (50) [2021-05-06 09:51:19,840 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 501 transitions. [2021-05-06 09:51:19,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-05-06 09:51:19,843 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:19,843 INFO L523 BasicCegarLoop]: trace histogram [49, 49, 48, 48, 48, 48, 48, 48, 48, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:20,069 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:20,069 INFO L428 AbstractCegarLoop]: === Iteration 52 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:20,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:20,069 INFO L82 PathProgramCache]: Analyzing trace with hash 178960088, now seen corresponding path program 48 times [2021-05-06 09:51:20,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:20,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081832665] [2021-05-06 09:51:20,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:20,075 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:20,075 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1396649163] [2021-05-06 09:51:20,076 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:20,413 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 49 check-sat command(s) [2021-05-06 09:51:20,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:20,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 101 conjunts are in the unsatisfiable core [2021-05-06 09:51:20,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:20,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:20,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 10348 backedges. 96 proven. 10248 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:21,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:21,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081832665] [2021-05-06 09:51:21,861 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:21,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396649163] [2021-05-06 09:51:21,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396649163] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:21,861 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:21,861 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2021-05-06 09:51:21,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106549149] [2021-05-06 09:51:21,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-05-06 09:51:21,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:21,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-05-06 09:51:21,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1277, Invalid=1375, Unknown=0, NotChecked=0, Total=2652 [2021-05-06 09:51:21,863 INFO L87 Difference]: Start difference. First operand 452 states and 501 transitions. Second operand has 52 states, 52 states have (on average 6.6923076923076925) internal successors, (348), 51 states have internal predecessors, (348), 51 states have call successors, (53), 51 states have call predecessors, (53), 49 states have return successors, (51), 49 states have call predecessors, (51), 50 states have call successors, (51) [2021-05-06 09:51:23,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:23,256 INFO L93 Difference]: Finished difference Result 461 states and 511 transitions. [2021-05-06 09:51:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-05-06 09:51:23,257 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 6.6923076923076925) internal successors, (348), 51 states have internal predecessors, (348), 51 states have call successors, (53), 51 states have call predecessors, (53), 49 states have return successors, (51), 49 states have call predecessors, (51), 50 states have call successors, (51) Word has length 455 [2021-05-06 09:51:23,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:23,259 INFO L225 Difference]: With dead ends: 461 [2021-05-06 09:51:23,259 INFO L226 Difference]: Without dead ends: 461 [2021-05-06 09:51:23,260 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 1904.5ms TimeCoverageRelationStatistics Valid=3725, Invalid=6175, Unknown=0, NotChecked=0, Total=9900 [2021-05-06 09:51:23,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-05-06 09:51:23,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2021-05-06 09:51:23,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 355 states have (on average 1.1408450704225352) internal successors, (405), 355 states have internal predecessors, (405), 54 states have call successors, (54), 53 states have call predecessors, (54), 51 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-05-06 09:51:23,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 511 transitions. [2021-05-06 09:51:23,266 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 511 transitions. Word has length 455 [2021-05-06 09:51:23,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:23,266 INFO L480 AbstractCegarLoop]: Abstraction has 461 states and 511 transitions. [2021-05-06 09:51:23,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 6.6923076923076925) internal successors, (348), 51 states have internal predecessors, (348), 51 states have call successors, (53), 51 states have call predecessors, (53), 49 states have return successors, (51), 49 states have call predecessors, (51), 50 states have call successors, (51) [2021-05-06 09:51:23,267 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 511 transitions. [2021-05-06 09:51:23,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-05-06 09:51:23,269 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:23,269 INFO L523 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 49, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:23,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-05-06 09:51:23,485 INFO L428 AbstractCegarLoop]: === Iteration 53 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:23,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:23,485 INFO L82 PathProgramCache]: Analyzing trace with hash 353251747, now seen corresponding path program 49 times [2021-05-06 09:51:23,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:23,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39111559] [2021-05-06 09:51:23,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:23,492 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:23,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1900408620] [2021-05-06 09:51:23,493 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:51:23,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 103 conjunts are in the unsatisfiable core [2021-05-06 09:51:23,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:23,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:23,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:24,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:25,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10784 backedges. 98 proven. 10682 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:25,259 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:25,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39111559] [2021-05-06 09:51:25,259 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:25,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900408620] [2021-05-06 09:51:25,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900408620] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:25,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:25,260 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2021-05-06 09:51:25,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193940577] [2021-05-06 09:51:25,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-06 09:51:25,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:25,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-06 09:51:25,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1328, Invalid=1428, Unknown=0, NotChecked=0, Total=2756 [2021-05-06 09:51:25,261 INFO L87 Difference]: Start difference. First operand 461 states and 511 transitions. Second operand has 53 states, 53 states have (on average 6.69811320754717) internal successors, (355), 52 states have internal predecessors, (355), 52 states have call successors, (54), 52 states have call predecessors, (54), 50 states have return successors, (52), 50 states have call predecessors, (52), 51 states have call successors, (52) [2021-05-06 09:51:26,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:26,703 INFO L93 Difference]: Finished difference Result 470 states and 521 transitions. [2021-05-06 09:51:26,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-05-06 09:51:26,704 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 6.69811320754717) internal successors, (355), 52 states have internal predecessors, (355), 52 states have call successors, (54), 52 states have call predecessors, (54), 50 states have return successors, (52), 50 states have call predecessors, (52), 51 states have call successors, (52) Word has length 464 [2021-05-06 09:51:26,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:26,706 INFO L225 Difference]: With dead ends: 470 [2021-05-06 09:51:26,706 INFO L226 Difference]: Without dead ends: 470 [2021-05-06 09:51:26,707 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1225 ImplicationChecksByTransitivity, 2002.9ms TimeCoverageRelationStatistics Valid=3876, Invalid=6426, Unknown=0, NotChecked=0, Total=10302 [2021-05-06 09:51:26,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-05-06 09:51:26,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2021-05-06 09:51:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 362 states have (on average 1.1408839779005524) internal successors, (413), 362 states have internal predecessors, (413), 55 states have call successors, (55), 54 states have call predecessors, (55), 52 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2021-05-06 09:51:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 521 transitions. [2021-05-06 09:51:26,713 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 521 transitions. Word has length 464 [2021-05-06 09:51:26,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:26,713 INFO L480 AbstractCegarLoop]: Abstraction has 470 states and 521 transitions. [2021-05-06 09:51:26,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 6.69811320754717) internal successors, (355), 52 states have internal predecessors, (355), 52 states have call successors, (54), 52 states have call predecessors, (54), 50 states have return successors, (52), 50 states have call predecessors, (52), 51 states have call successors, (52) [2021-05-06 09:51:26,713 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 521 transitions. [2021-05-06 09:51:26,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-05-06 09:51:26,716 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:26,716 INFO L523 BasicCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 50, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:26,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:26,933 INFO L428 AbstractCegarLoop]: === Iteration 54 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:26,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:26,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1070552264, now seen corresponding path program 50 times [2021-05-06 09:51:26,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:26,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215342056] [2021-05-06 09:51:26,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:26,941 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:26,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [760801802] [2021-05-06 09:51:26,941 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:27,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:51:27,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:27,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 105 conjunts are in the unsatisfiable core [2021-05-06 09:51:27,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:27,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:27,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:28,775 INFO L134 CoverageAnalysis]: Checked inductivity of 11229 backedges. 100 proven. 11125 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:28,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:28,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215342056] [2021-05-06 09:51:28,775 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:28,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760801802] [2021-05-06 09:51:28,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760801802] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:28,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:28,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2021-05-06 09:51:28,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529552421] [2021-05-06 09:51:28,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-05-06 09:51:28,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:28,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-05-06 09:51:28,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1380, Invalid=1482, Unknown=0, NotChecked=0, Total=2862 [2021-05-06 09:51:28,777 INFO L87 Difference]: Start difference. First operand 470 states and 521 transitions. Second operand has 54 states, 54 states have (on average 6.703703703703703) internal successors, (362), 53 states have internal predecessors, (362), 53 states have call successors, (55), 53 states have call predecessors, (55), 51 states have return successors, (53), 51 states have call predecessors, (53), 52 states have call successors, (53) [2021-05-06 09:51:30,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:30,163 INFO L93 Difference]: Finished difference Result 479 states and 531 transitions. [2021-05-06 09:51:30,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-05-06 09:51:30,164 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 6.703703703703703) internal successors, (362), 53 states have internal predecessors, (362), 53 states have call successors, (55), 53 states have call predecessors, (55), 51 states have return successors, (53), 51 states have call predecessors, (53), 52 states have call successors, (53) Word has length 473 [2021-05-06 09:51:30,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:30,165 INFO L225 Difference]: With dead ends: 479 [2021-05-06 09:51:30,165 INFO L226 Difference]: Without dead ends: 479 [2021-05-06 09:51:30,166 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1275 ImplicationChecksByTransitivity, 2061.8ms TimeCoverageRelationStatistics Valid=4030, Invalid=6682, Unknown=0, NotChecked=0, Total=10712 [2021-05-06 09:51:30,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2021-05-06 09:51:30,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2021-05-06 09:51:30,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 369 states have (on average 1.1409214092140922) internal successors, (421), 369 states have internal predecessors, (421), 56 states have call successors, (56), 55 states have call predecessors, (56), 53 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2021-05-06 09:51:30,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 531 transitions. [2021-05-06 09:51:30,170 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 531 transitions. Word has length 473 [2021-05-06 09:51:30,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:30,171 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 531 transitions. [2021-05-06 09:51:30,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 6.703703703703703) internal successors, (362), 53 states have internal predecessors, (362), 53 states have call successors, (55), 53 states have call predecessors, (55), 51 states have return successors, (53), 51 states have call predecessors, (53), 52 states have call successors, (53) [2021-05-06 09:51:30,171 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 531 transitions. [2021-05-06 09:51:30,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-05-06 09:51:30,173 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:30,174 INFO L523 BasicCegarLoop]: trace histogram [52, 52, 51, 51, 51, 51, 51, 51, 51, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:30,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-05-06 09:51:30,398 INFO L428 AbstractCegarLoop]: === Iteration 55 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:30,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:30,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1619339587, now seen corresponding path program 51 times [2021-05-06 09:51:30,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:30,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144659112] [2021-05-06 09:51:30,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:30,403 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:30,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1639598542] [2021-05-06 09:51:30,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:30,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 52 check-sat command(s) [2021-05-06 09:51:30,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:30,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 1300 conjuncts, 107 conjunts are in the unsatisfiable core [2021-05-06 09:51:30,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:30,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:30,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:31,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 11683 backedges. 102 proven. 11577 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:32,309 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:32,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144659112] [2021-05-06 09:51:32,309 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:32,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639598542] [2021-05-06 09:51:32,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639598542] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:32,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:32,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2021-05-06 09:51:32,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433148046] [2021-05-06 09:51:32,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-05-06 09:51:32,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:32,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-05-06 09:51:32,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1433, Invalid=1537, Unknown=0, NotChecked=0, Total=2970 [2021-05-06 09:51:32,311 INFO L87 Difference]: Start difference. First operand 479 states and 531 transitions. Second operand has 55 states, 55 states have (on average 6.709090909090909) internal successors, (369), 54 states have internal predecessors, (369), 54 states have call successors, (56), 54 states have call predecessors, (56), 52 states have return successors, (54), 52 states have call predecessors, (54), 53 states have call successors, (54) [2021-05-06 09:51:33,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:33,739 INFO L93 Difference]: Finished difference Result 488 states and 541 transitions. [2021-05-06 09:51:33,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-05-06 09:51:33,740 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 6.709090909090909) internal successors, (369), 54 states have internal predecessors, (369), 54 states have call successors, (56), 54 states have call predecessors, (56), 52 states have return successors, (54), 52 states have call predecessors, (54), 53 states have call successors, (54) Word has length 482 [2021-05-06 09:51:33,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:33,742 INFO L225 Difference]: With dead ends: 488 [2021-05-06 09:51:33,742 INFO L226 Difference]: Without dead ends: 488 [2021-05-06 09:51:33,743 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1326 ImplicationChecksByTransitivity, 2074.9ms TimeCoverageRelationStatistics Valid=4187, Invalid=6943, Unknown=0, NotChecked=0, Total=11130 [2021-05-06 09:51:33,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2021-05-06 09:51:33,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2021-05-06 09:51:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 376 states have (on average 1.1409574468085106) internal successors, (429), 376 states have internal predecessors, (429), 57 states have call successors, (57), 56 states have call predecessors, (57), 54 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2021-05-06 09:51:33,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 541 transitions. [2021-05-06 09:51:33,749 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 541 transitions. Word has length 482 [2021-05-06 09:51:33,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:33,750 INFO L480 AbstractCegarLoop]: Abstraction has 488 states and 541 transitions. [2021-05-06 09:51:33,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 6.709090909090909) internal successors, (369), 54 states have internal predecessors, (369), 54 states have call successors, (56), 54 states have call predecessors, (56), 52 states have return successors, (54), 52 states have call predecessors, (54), 53 states have call successors, (54) [2021-05-06 09:51:33,750 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 541 transitions. [2021-05-06 09:51:33,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2021-05-06 09:51:33,753 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:33,753 INFO L523 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 52, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:33,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-05-06 09:51:33,978 INFO L428 AbstractCegarLoop]: === Iteration 56 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:33,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:33,979 INFO L82 PathProgramCache]: Analyzing trace with hash -2088351848, now seen corresponding path program 52 times [2021-05-06 09:51:33,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:33,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138605482] [2021-05-06 09:51:33,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:33,986 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:33,986 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [411665638] [2021-05-06 09:51:33,986 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:34,215 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:51:34,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:34,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 109 conjunts are in the unsatisfiable core [2021-05-06 09:51:34,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:34,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:34,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:35,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:36,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12146 backedges. 104 proven. 12038 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:36,013 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:36,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138605482] [2021-05-06 09:51:36,013 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:36,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411665638] [2021-05-06 09:51:36,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411665638] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:36,013 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:36,013 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2021-05-06 09:51:36,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995865529] [2021-05-06 09:51:36,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-05-06 09:51:36,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:36,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-05-06 09:51:36,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1487, Invalid=1593, Unknown=0, NotChecked=0, Total=3080 [2021-05-06 09:51:36,014 INFO L87 Difference]: Start difference. First operand 488 states and 541 transitions. Second operand has 56 states, 56 states have (on average 6.714285714285714) internal successors, (376), 55 states have internal predecessors, (376), 55 states have call successors, (57), 55 states have call predecessors, (57), 53 states have return successors, (55), 53 states have call predecessors, (55), 54 states have call successors, (55) [2021-05-06 09:51:37,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:37,569 INFO L93 Difference]: Finished difference Result 497 states and 551 transitions. [2021-05-06 09:51:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-05-06 09:51:37,570 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 6.714285714285714) internal successors, (376), 55 states have internal predecessors, (376), 55 states have call successors, (57), 55 states have call predecessors, (57), 53 states have return successors, (55), 53 states have call predecessors, (55), 54 states have call successors, (55) Word has length 491 [2021-05-06 09:51:37,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:37,571 INFO L225 Difference]: With dead ends: 497 [2021-05-06 09:51:37,571 INFO L226 Difference]: Without dead ends: 497 [2021-05-06 09:51:37,572 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1378 ImplicationChecksByTransitivity, 2285.8ms TimeCoverageRelationStatistics Valid=4347, Invalid=7209, Unknown=0, NotChecked=0, Total=11556 [2021-05-06 09:51:37,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2021-05-06 09:51:37,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 497. [2021-05-06 09:51:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 383 states have (on average 1.1409921671018277) internal successors, (437), 383 states have internal predecessors, (437), 58 states have call successors, (58), 57 states have call predecessors, (58), 55 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2021-05-06 09:51:37,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 551 transitions. [2021-05-06 09:51:37,582 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 551 transitions. Word has length 491 [2021-05-06 09:51:37,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:37,582 INFO L480 AbstractCegarLoop]: Abstraction has 497 states and 551 transitions. [2021-05-06 09:51:37,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 6.714285714285714) internal successors, (376), 55 states have internal predecessors, (376), 55 states have call successors, (57), 55 states have call predecessors, (57), 53 states have return successors, (55), 53 states have call predecessors, (55), 54 states have call successors, (55) [2021-05-06 09:51:37,582 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 551 transitions. [2021-05-06 09:51:37,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-05-06 09:51:37,585 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:37,585 INFO L523 BasicCegarLoop]: trace histogram [54, 54, 53, 53, 53, 53, 53, 53, 53, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:37,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:37,789 INFO L428 AbstractCegarLoop]: === Iteration 57 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:37,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:37,789 INFO L82 PathProgramCache]: Analyzing trace with hash -381060893, now seen corresponding path program 53 times [2021-05-06 09:51:37,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:37,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263052409] [2021-05-06 09:51:37,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:37,794 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:37,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [335472066] [2021-05-06 09:51:37,795 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:38,186 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) [2021-05-06 09:51:38,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:38,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 1346 conjuncts, 111 conjunts are in the unsatisfiable core [2021-05-06 09:51:38,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:38,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:38,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12618 backedges. 106 proven. 12508 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:39,913 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:39,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263052409] [2021-05-06 09:51:39,913 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:39,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335472066] [2021-05-06 09:51:39,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335472066] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:39,913 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:39,913 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2021-05-06 09:51:39,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464716580] [2021-05-06 09:51:39,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-05-06 09:51:39,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:39,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-05-06 09:51:39,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1542, Invalid=1650, Unknown=0, NotChecked=0, Total=3192 [2021-05-06 09:51:39,915 INFO L87 Difference]: Start difference. First operand 497 states and 551 transitions. Second operand has 57 states, 57 states have (on average 6.719298245614035) internal successors, (383), 56 states have internal predecessors, (383), 56 states have call successors, (58), 56 states have call predecessors, (58), 54 states have return successors, (56), 54 states have call predecessors, (56), 55 states have call successors, (56) [2021-05-06 09:51:41,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:41,459 INFO L93 Difference]: Finished difference Result 506 states and 561 transitions. [2021-05-06 09:51:41,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-05-06 09:51:41,459 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 6.719298245614035) internal successors, (383), 56 states have internal predecessors, (383), 56 states have call successors, (58), 56 states have call predecessors, (58), 54 states have return successors, (56), 54 states have call predecessors, (56), 55 states have call successors, (56) Word has length 500 [2021-05-06 09:51:41,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:41,461 INFO L225 Difference]: With dead ends: 506 [2021-05-06 09:51:41,461 INFO L226 Difference]: Without dead ends: 506 [2021-05-06 09:51:41,461 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 2241.6ms TimeCoverageRelationStatistics Valid=4510, Invalid=7480, Unknown=0, NotChecked=0, Total=11990 [2021-05-06 09:51:41,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2021-05-06 09:51:41,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2021-05-06 09:51:41,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 390 states have (on average 1.141025641025641) internal successors, (445), 390 states have internal predecessors, (445), 59 states have call successors, (59), 58 states have call predecessors, (59), 56 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2021-05-06 09:51:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 561 transitions. [2021-05-06 09:51:41,468 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 561 transitions. Word has length 500 [2021-05-06 09:51:41,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:41,468 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 561 transitions. [2021-05-06 09:51:41,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 6.719298245614035) internal successors, (383), 56 states have internal predecessors, (383), 56 states have call successors, (58), 56 states have call predecessors, (58), 54 states have return successors, (56), 54 states have call predecessors, (56), 55 states have call successors, (56) [2021-05-06 09:51:41,468 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 561 transitions. [2021-05-06 09:51:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-05-06 09:51:41,471 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:41,471 INFO L523 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 54, 54, 54, 54, 54, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:41,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-05-06 09:51:41,685 INFO L428 AbstractCegarLoop]: === Iteration 58 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:41,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:41,685 INFO L82 PathProgramCache]: Analyzing trace with hash -284062728, now seen corresponding path program 54 times [2021-05-06 09:51:41,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:41,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911787099] [2021-05-06 09:51:41,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:41,692 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:41,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [175708774] [2021-05-06 09:51:41,692 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:42,199 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 55 check-sat command(s) [2021-05-06 09:51:42,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:42,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 1369 conjuncts, 113 conjunts are in the unsatisfiable core [2021-05-06 09:51:42,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:42,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:42,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 13099 backedges. 108 proven. 12987 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:43,950 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:43,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911787099] [2021-05-06 09:51:43,950 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:43,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175708774] [2021-05-06 09:51:43,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175708774] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:43,950 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:43,950 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2021-05-06 09:51:43,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466355954] [2021-05-06 09:51:43,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-05-06 09:51:43,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:43,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-05-06 09:51:43,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1598, Invalid=1708, Unknown=0, NotChecked=0, Total=3306 [2021-05-06 09:51:43,952 INFO L87 Difference]: Start difference. First operand 506 states and 561 transitions. Second operand has 58 states, 58 states have (on average 6.724137931034483) internal successors, (390), 57 states have internal predecessors, (390), 57 states have call successors, (59), 57 states have call predecessors, (59), 55 states have return successors, (57), 55 states have call predecessors, (57), 56 states have call successors, (57) [2021-05-06 09:51:45,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:45,584 INFO L93 Difference]: Finished difference Result 515 states and 571 transitions. [2021-05-06 09:51:45,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-05-06 09:51:45,585 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 6.724137931034483) internal successors, (390), 57 states have internal predecessors, (390), 57 states have call successors, (59), 57 states have call predecessors, (59), 55 states have return successors, (57), 55 states have call predecessors, (57), 56 states have call successors, (57) Word has length 509 [2021-05-06 09:51:45,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:45,586 INFO L225 Difference]: With dead ends: 515 [2021-05-06 09:51:45,587 INFO L226 Difference]: Without dead ends: 515 [2021-05-06 09:51:45,587 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1485 ImplicationChecksByTransitivity, 2351.0ms TimeCoverageRelationStatistics Valid=4676, Invalid=7756, Unknown=0, NotChecked=0, Total=12432 [2021-05-06 09:51:45,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-05-06 09:51:45,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2021-05-06 09:51:45,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 397 states have (on average 1.141057934508816) internal successors, (453), 397 states have internal predecessors, (453), 60 states have call successors, (60), 59 states have call predecessors, (60), 57 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2021-05-06 09:51:45,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 571 transitions. [2021-05-06 09:51:45,594 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 571 transitions. Word has length 509 [2021-05-06 09:51:45,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:45,594 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 571 transitions. [2021-05-06 09:51:45,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 6.724137931034483) internal successors, (390), 57 states have internal predecessors, (390), 57 states have call successors, (59), 57 states have call predecessors, (59), 55 states have return successors, (57), 55 states have call predecessors, (57), 56 states have call successors, (57) [2021-05-06 09:51:45,594 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 571 transitions. [2021-05-06 09:51:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2021-05-06 09:51:45,597 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:45,597 INFO L523 BasicCegarLoop]: trace histogram [56, 56, 55, 55, 55, 55, 55, 55, 55, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:45,805 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:45,805 INFO L428 AbstractCegarLoop]: === Iteration 59 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:45,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:45,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1739923587, now seen corresponding path program 55 times [2021-05-06 09:51:45,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:45,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977041802] [2021-05-06 09:51:45,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:45,811 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:45,811 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [344797690] [2021-05-06 09:51:45,811 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:51:45,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 115 conjunts are in the unsatisfiable core [2021-05-06 09:51:45,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:45,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:45,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:45,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:46,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:47,786 INFO L134 CoverageAnalysis]: Checked inductivity of 13589 backedges. 110 proven. 13475 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:47,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:47,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977041802] [2021-05-06 09:51:47,787 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:47,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344797690] [2021-05-06 09:51:47,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344797690] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:47,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:47,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2021-05-06 09:51:47,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824355111] [2021-05-06 09:51:47,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-05-06 09:51:47,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:47,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-05-06 09:51:47,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1655, Invalid=1767, Unknown=0, NotChecked=0, Total=3422 [2021-05-06 09:51:47,788 INFO L87 Difference]: Start difference. First operand 515 states and 571 transitions. Second operand has 59 states, 59 states have (on average 6.728813559322034) internal successors, (397), 58 states have internal predecessors, (397), 58 states have call successors, (60), 58 states have call predecessors, (60), 56 states have return successors, (58), 56 states have call predecessors, (58), 57 states have call successors, (58) [2021-05-06 09:51:49,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:49,403 INFO L93 Difference]: Finished difference Result 524 states and 581 transitions. [2021-05-06 09:51:49,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-05-06 09:51:49,403 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 6.728813559322034) internal successors, (397), 58 states have internal predecessors, (397), 58 states have call successors, (60), 58 states have call predecessors, (60), 56 states have return successors, (58), 56 states have call predecessors, (58), 57 states have call successors, (58) Word has length 518 [2021-05-06 09:51:49,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:49,405 INFO L225 Difference]: With dead ends: 524 [2021-05-06 09:51:49,405 INFO L226 Difference]: Without dead ends: 524 [2021-05-06 09:51:49,405 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1540 ImplicationChecksByTransitivity, 2374.5ms TimeCoverageRelationStatistics Valid=4845, Invalid=8037, Unknown=0, NotChecked=0, Total=12882 [2021-05-06 09:51:49,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-05-06 09:51:49,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2021-05-06 09:51:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 404 states have (on average 1.141089108910891) internal successors, (461), 404 states have internal predecessors, (461), 61 states have call successors, (61), 60 states have call predecessors, (61), 58 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2021-05-06 09:51:49,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 581 transitions. [2021-05-06 09:51:49,410 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 581 transitions. Word has length 518 [2021-05-06 09:51:49,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:49,410 INFO L480 AbstractCegarLoop]: Abstraction has 524 states and 581 transitions. [2021-05-06 09:51:49,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 6.728813559322034) internal successors, (397), 58 states have internal predecessors, (397), 58 states have call successors, (60), 58 states have call predecessors, (60), 56 states have return successors, (58), 56 states have call predecessors, (58), 57 states have call successors, (58) [2021-05-06 09:51:49,411 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 581 transitions. [2021-05-06 09:51:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2021-05-06 09:51:49,413 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:49,413 INFO L523 BasicCegarLoop]: trace histogram [57, 57, 56, 56, 56, 56, 56, 56, 56, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:49,629 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-05-06 09:51:49,629 INFO L428 AbstractCegarLoop]: === Iteration 60 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:49,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:49,630 INFO L82 PathProgramCache]: Analyzing trace with hash 263747672, now seen corresponding path program 56 times [2021-05-06 09:51:49,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:49,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499036229] [2021-05-06 09:51:49,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:49,637 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:49,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2145550599] [2021-05-06 09:51:49,637 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:49,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:51:49,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:49,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 117 conjunts are in the unsatisfiable core [2021-05-06 09:51:49,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:49,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:49,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:50,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 14088 backedges. 112 proven. 13972 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:51,677 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:51,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499036229] [2021-05-06 09:51:51,677 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:51,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145550599] [2021-05-06 09:51:51,677 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145550599] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:51,677 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:51,677 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2021-05-06 09:51:51,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107049237] [2021-05-06 09:51:51,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-05-06 09:51:51,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:51,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-05-06 09:51:51,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1713, Invalid=1827, Unknown=0, NotChecked=0, Total=3540 [2021-05-06 09:51:51,678 INFO L87 Difference]: Start difference. First operand 524 states and 581 transitions. Second operand has 60 states, 60 states have (on average 6.733333333333333) internal successors, (404), 59 states have internal predecessors, (404), 59 states have call successors, (61), 59 states have call predecessors, (61), 57 states have return successors, (59), 57 states have call predecessors, (59), 58 states have call successors, (59) [2021-05-06 09:51:53,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:53,356 INFO L93 Difference]: Finished difference Result 533 states and 591 transitions. [2021-05-06 09:51:53,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-05-06 09:51:53,357 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 6.733333333333333) internal successors, (404), 59 states have internal predecessors, (404), 59 states have call successors, (61), 59 states have call predecessors, (61), 57 states have return successors, (59), 57 states have call predecessors, (59), 58 states have call successors, (59) Word has length 527 [2021-05-06 09:51:53,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:53,358 INFO L225 Difference]: With dead ends: 533 [2021-05-06 09:51:53,358 INFO L226 Difference]: Without dead ends: 533 [2021-05-06 09:51:53,359 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1596 ImplicationChecksByTransitivity, 2447.6ms TimeCoverageRelationStatistics Valid=5017, Invalid=8323, Unknown=0, NotChecked=0, Total=13340 [2021-05-06 09:51:53,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2021-05-06 09:51:53,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 533. [2021-05-06 09:51:53,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 411 states have (on average 1.1411192214111923) internal successors, (469), 411 states have internal predecessors, (469), 62 states have call successors, (62), 61 states have call predecessors, (62), 59 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2021-05-06 09:51:53,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 591 transitions. [2021-05-06 09:51:53,363 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 591 transitions. Word has length 527 [2021-05-06 09:51:53,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:53,364 INFO L480 AbstractCegarLoop]: Abstraction has 533 states and 591 transitions. [2021-05-06 09:51:53,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 6.733333333333333) internal successors, (404), 59 states have internal predecessors, (404), 59 states have call successors, (61), 59 states have call predecessors, (61), 57 states have return successors, (59), 57 states have call predecessors, (59), 58 states have call successors, (59) [2021-05-06 09:51:53,364 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 591 transitions. [2021-05-06 09:51:53,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-05-06 09:51:53,367 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:53,367 INFO L523 BasicCegarLoop]: trace histogram [58, 58, 57, 57, 57, 57, 57, 57, 57, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:53,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-05-06 09:51:53,581 INFO L428 AbstractCegarLoop]: === Iteration 61 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:53,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:53,581 INFO L82 PathProgramCache]: Analyzing trace with hash -241033181, now seen corresponding path program 57 times [2021-05-06 09:51:53,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:53,581 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129023200] [2021-05-06 09:51:53,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:53,587 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:53,587 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340619688] [2021-05-06 09:51:53,587 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:53,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 58 check-sat command(s) [2021-05-06 09:51:53,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:53,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 119 conjunts are in the unsatisfiable core [2021-05-06 09:51:53,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:53,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:53,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:53,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:53,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:53,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:53,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:54,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:55,843 INFO L134 CoverageAnalysis]: Checked inductivity of 14596 backedges. 114 proven. 14478 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:55,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:55,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129023200] [2021-05-06 09:51:55,843 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:55,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340619688] [2021-05-06 09:51:55,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340619688] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:55,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:55,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2021-05-06 09:51:55,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701471930] [2021-05-06 09:51:55,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-05-06 09:51:55,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:55,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-05-06 09:51:55,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1772, Invalid=1888, Unknown=0, NotChecked=0, Total=3660 [2021-05-06 09:51:55,845 INFO L87 Difference]: Start difference. First operand 533 states and 591 transitions. Second operand has 61 states, 61 states have (on average 6.737704918032787) internal successors, (411), 60 states have internal predecessors, (411), 60 states have call successors, (62), 60 states have call predecessors, (62), 58 states have return successors, (60), 58 states have call predecessors, (60), 59 states have call successors, (60) [2021-05-06 09:51:57,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:51:57,584 INFO L93 Difference]: Finished difference Result 542 states and 601 transitions. [2021-05-06 09:51:57,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-05-06 09:51:57,585 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 6.737704918032787) internal successors, (411), 60 states have internal predecessors, (411), 60 states have call successors, (62), 60 states have call predecessors, (62), 58 states have return successors, (60), 58 states have call predecessors, (60), 59 states have call successors, (60) Word has length 536 [2021-05-06 09:51:57,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:51:57,586 INFO L225 Difference]: With dead ends: 542 [2021-05-06 09:51:57,586 INFO L226 Difference]: Without dead ends: 542 [2021-05-06 09:51:57,587 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1653 ImplicationChecksByTransitivity, 2536.0ms TimeCoverageRelationStatistics Valid=5192, Invalid=8614, Unknown=0, NotChecked=0, Total=13806 [2021-05-06 09:51:57,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2021-05-06 09:51:57,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2021-05-06 09:51:57,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 418 states have (on average 1.1411483253588517) internal successors, (477), 418 states have internal predecessors, (477), 63 states have call successors, (63), 62 states have call predecessors, (63), 60 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2021-05-06 09:51:57,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 601 transitions. [2021-05-06 09:51:57,592 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 601 transitions. Word has length 536 [2021-05-06 09:51:57,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:51:57,593 INFO L480 AbstractCegarLoop]: Abstraction has 542 states and 601 transitions. [2021-05-06 09:51:57,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 6.737704918032787) internal successors, (411), 60 states have internal predecessors, (411), 60 states have call successors, (62), 60 states have call predecessors, (62), 58 states have return successors, (60), 58 states have call predecessors, (60), 59 states have call successors, (60) [2021-05-06 09:51:57,593 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 601 transitions. [2021-05-06 09:51:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2021-05-06 09:51:57,596 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:51:57,597 INFO L523 BasicCegarLoop]: trace histogram [59, 59, 58, 58, 58, 58, 58, 58, 58, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:51:57,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,61 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:57,797 INFO L428 AbstractCegarLoop]: === Iteration 62 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:51:57,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:51:57,797 INFO L82 PathProgramCache]: Analyzing trace with hash -991884104, now seen corresponding path program 58 times [2021-05-06 09:51:57,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:51:57,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375020768] [2021-05-06 09:51:57,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:51:57,805 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:51:57,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [528098922] [2021-05-06 09:51:57,805 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:51:58,008 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:51:58,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:51:58,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1461 conjuncts, 121 conjunts are in the unsatisfiable core [2021-05-06 09:51:58,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:51:58,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:58,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:51:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 15113 backedges. 116 proven. 14993 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:51:59,978 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:51:59,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375020768] [2021-05-06 09:51:59,978 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:51:59,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528098922] [2021-05-06 09:51:59,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528098922] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:51:59,978 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:51:59,978 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2021-05-06 09:51:59,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344262313] [2021-05-06 09:51:59,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-05-06 09:51:59,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:51:59,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-05-06 09:51:59,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1832, Invalid=1950, Unknown=0, NotChecked=0, Total=3782 [2021-05-06 09:51:59,980 INFO L87 Difference]: Start difference. First operand 542 states and 601 transitions. Second operand has 62 states, 62 states have (on average 6.741935483870968) internal successors, (418), 61 states have internal predecessors, (418), 61 states have call successors, (63), 61 states have call predecessors, (63), 59 states have return successors, (61), 59 states have call predecessors, (61), 60 states have call successors, (61) [2021-05-06 09:52:01,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:52:01,759 INFO L93 Difference]: Finished difference Result 551 states and 611 transitions. [2021-05-06 09:52:01,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-05-06 09:52:01,759 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 6.741935483870968) internal successors, (418), 61 states have internal predecessors, (418), 61 states have call successors, (63), 61 states have call predecessors, (63), 59 states have return successors, (61), 59 states have call predecessors, (61), 60 states have call successors, (61) Word has length 545 [2021-05-06 09:52:01,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:52:01,761 INFO L225 Difference]: With dead ends: 551 [2021-05-06 09:52:01,761 INFO L226 Difference]: Without dead ends: 551 [2021-05-06 09:52:01,761 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1711 ImplicationChecksByTransitivity, 2613.1ms TimeCoverageRelationStatistics Valid=5370, Invalid=8910, Unknown=0, NotChecked=0, Total=14280 [2021-05-06 09:52:01,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2021-05-06 09:52:01,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 551. [2021-05-06 09:52:01,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 425 states have (on average 1.1411764705882352) internal successors, (485), 425 states have internal predecessors, (485), 64 states have call successors, (64), 63 states have call predecessors, (64), 61 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2021-05-06 09:52:01,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 611 transitions. [2021-05-06 09:52:01,767 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 611 transitions. Word has length 545 [2021-05-06 09:52:01,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:52:01,768 INFO L480 AbstractCegarLoop]: Abstraction has 551 states and 611 transitions. [2021-05-06 09:52:01,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 6.741935483870968) internal successors, (418), 61 states have internal predecessors, (418), 61 states have call successors, (63), 61 states have call predecessors, (63), 59 states have return successors, (61), 59 states have call predecessors, (61), 60 states have call successors, (61) [2021-05-06 09:52:01,768 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 611 transitions. [2021-05-06 09:52:01,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2021-05-06 09:52:01,771 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:52:01,771 INFO L523 BasicCegarLoop]: trace histogram [60, 60, 59, 59, 59, 59, 59, 59, 59, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:52:01,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:01,981 INFO L428 AbstractCegarLoop]: === Iteration 63 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:52:01,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:52:01,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1704298557, now seen corresponding path program 59 times [2021-05-06 09:52:01,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:52:01,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711312077] [2021-05-06 09:52:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:52:01,987 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:52:01,987 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [127046973] [2021-05-06 09:52:01,987 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:02,518 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 60 check-sat command(s) [2021-05-06 09:52:02,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:52:02,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 1484 conjuncts, 123 conjunts are in the unsatisfiable core [2021-05-06 09:52:02,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:52:02,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:02,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:03,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:04,515 INFO L134 CoverageAnalysis]: Checked inductivity of 15639 backedges. 118 proven. 15517 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:52:04,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:52:04,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711312077] [2021-05-06 09:52:04,515 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:52:04,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127046973] [2021-05-06 09:52:04,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127046973] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:52:04,515 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:52:04,515 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2021-05-06 09:52:04,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593209277] [2021-05-06 09:52:04,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-05-06 09:52:04,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:52:04,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-05-06 09:52:04,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1893, Invalid=2013, Unknown=0, NotChecked=0, Total=3906 [2021-05-06 09:52:04,517 INFO L87 Difference]: Start difference. First operand 551 states and 611 transitions. Second operand has 63 states, 63 states have (on average 6.746031746031746) internal successors, (425), 62 states have internal predecessors, (425), 62 states have call successors, (64), 62 states have call predecessors, (64), 60 states have return successors, (62), 60 states have call predecessors, (62), 61 states have call successors, (62) [2021-05-06 09:52:06,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:52:06,388 INFO L93 Difference]: Finished difference Result 560 states and 621 transitions. [2021-05-06 09:52:06,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-05-06 09:52:06,388 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 6.746031746031746) internal successors, (425), 62 states have internal predecessors, (425), 62 states have call successors, (64), 62 states have call predecessors, (64), 60 states have return successors, (62), 60 states have call predecessors, (62), 61 states have call successors, (62) Word has length 554 [2021-05-06 09:52:06,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:52:06,390 INFO L225 Difference]: With dead ends: 560 [2021-05-06 09:52:06,390 INFO L226 Difference]: Without dead ends: 560 [2021-05-06 09:52:06,391 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1770 ImplicationChecksByTransitivity, 2747.9ms TimeCoverageRelationStatistics Valid=5551, Invalid=9211, Unknown=0, NotChecked=0, Total=14762 [2021-05-06 09:52:06,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-05-06 09:52:06,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-05-06 09:52:06,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 432 states have (on average 1.1412037037037037) internal successors, (493), 432 states have internal predecessors, (493), 65 states have call successors, (65), 64 states have call predecessors, (65), 62 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-05-06 09:52:06,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 621 transitions. [2021-05-06 09:52:06,395 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 621 transitions. Word has length 554 [2021-05-06 09:52:06,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:52:06,395 INFO L480 AbstractCegarLoop]: Abstraction has 560 states and 621 transitions. [2021-05-06 09:52:06,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 6.746031746031746) internal successors, (425), 62 states have internal predecessors, (425), 62 states have call successors, (64), 62 states have call predecessors, (64), 60 states have return successors, (62), 60 states have call predecessors, (62), 61 states have call successors, (62) [2021-05-06 09:52:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 621 transitions. [2021-05-06 09:52:06,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2021-05-06 09:52:06,398 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:52:06,399 INFO L523 BasicCegarLoop]: trace histogram [61, 61, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:52:06,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:06,609 INFO L428 AbstractCegarLoop]: === Iteration 64 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:52:06,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:52:06,609 INFO L82 PathProgramCache]: Analyzing trace with hash 544295192, now seen corresponding path program 60 times [2021-05-06 09:52:06,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:52:06,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97935112] [2021-05-06 09:52:06,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:52:06,615 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:52:06,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [279095862] [2021-05-06 09:52:06,615 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:07,033 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 61 check-sat command(s) [2021-05-06 09:52:07,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:52:07,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 1507 conjuncts, 125 conjunts are in the unsatisfiable core [2021-05-06 09:52:07,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:52:07,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:07,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:08,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:09,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:09,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 16174 backedges. 120 proven. 16050 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:52:09,066 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:52:09,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97935112] [2021-05-06 09:52:09,066 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:52:09,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279095862] [2021-05-06 09:52:09,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279095862] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:52:09,066 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:52:09,066 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2021-05-06 09:52:09,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930155734] [2021-05-06 09:52:09,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-05-06 09:52:09,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:52:09,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-05-06 09:52:09,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1955, Invalid=2077, Unknown=0, NotChecked=0, Total=4032 [2021-05-06 09:52:09,068 INFO L87 Difference]: Start difference. First operand 560 states and 621 transitions. Second operand has 64 states, 64 states have (on average 6.75) internal successors, (432), 63 states have internal predecessors, (432), 63 states have call successors, (65), 63 states have call predecessors, (65), 61 states have return successors, (63), 61 states have call predecessors, (63), 62 states have call successors, (63) [2021-05-06 09:52:10,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:52:10,999 INFO L93 Difference]: Finished difference Result 569 states and 631 transitions. [2021-05-06 09:52:11,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-05-06 09:52:11,000 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 6.75) internal successors, (432), 63 states have internal predecessors, (432), 63 states have call successors, (65), 63 states have call predecessors, (65), 61 states have return successors, (63), 61 states have call predecessors, (63), 62 states have call successors, (63) Word has length 563 [2021-05-06 09:52:11,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:52:11,001 INFO L225 Difference]: With dead ends: 569 [2021-05-06 09:52:11,002 INFO L226 Difference]: Without dead ends: 569 [2021-05-06 09:52:11,002 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1830 ImplicationChecksByTransitivity, 2777.6ms TimeCoverageRelationStatistics Valid=5735, Invalid=9517, Unknown=0, NotChecked=0, Total=15252 [2021-05-06 09:52:11,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-05-06 09:52:11,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 569. [2021-05-06 09:52:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 439 states have (on average 1.14123006833713) internal successors, (501), 439 states have internal predecessors, (501), 66 states have call successors, (66), 65 states have call predecessors, (66), 63 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2021-05-06 09:52:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 631 transitions. [2021-05-06 09:52:11,007 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 631 transitions. Word has length 563 [2021-05-06 09:52:11,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:52:11,008 INFO L480 AbstractCegarLoop]: Abstraction has 569 states and 631 transitions. [2021-05-06 09:52:11,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 6.75) internal successors, (432), 63 states have internal predecessors, (432), 63 states have call successors, (65), 63 states have call predecessors, (65), 61 states have return successors, (63), 61 states have call predecessors, (63), 62 states have call successors, (63) [2021-05-06 09:52:11,008 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 631 transitions. [2021-05-06 09:52:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2021-05-06 09:52:11,011 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:52:11,011 INFO L523 BasicCegarLoop]: trace histogram [62, 62, 61, 61, 61, 61, 61, 61, 61, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:52:11,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:11,211 INFO L428 AbstractCegarLoop]: === Iteration 65 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:52:11,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:52:11,212 INFO L82 PathProgramCache]: Analyzing trace with hash 317204323, now seen corresponding path program 61 times [2021-05-06 09:52:11,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:52:11,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412629297] [2021-05-06 09:52:11,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:52:11,218 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:52:11,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [414904480] [2021-05-06 09:52:11,219 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:52:11,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 1530 conjuncts, 127 conjunts are in the unsatisfiable core [2021-05-06 09:52:11,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:52:11,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:11,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:12,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:13,497 INFO L134 CoverageAnalysis]: Checked inductivity of 16718 backedges. 122 proven. 16592 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:52:13,497 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:52:13,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412629297] [2021-05-06 09:52:13,497 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:52:13,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414904480] [2021-05-06 09:52:13,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414904480] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:52:13,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:52:13,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2021-05-06 09:52:13,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145943579] [2021-05-06 09:52:13,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-05-06 09:52:13,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:52:13,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-05-06 09:52:13,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2018, Invalid=2142, Unknown=0, NotChecked=0, Total=4160 [2021-05-06 09:52:13,499 INFO L87 Difference]: Start difference. First operand 569 states and 631 transitions. Second operand has 65 states, 65 states have (on average 6.753846153846154) internal successors, (439), 64 states have internal predecessors, (439), 64 states have call successors, (66), 64 states have call predecessors, (66), 62 states have return successors, (64), 62 states have call predecessors, (64), 63 states have call successors, (64) [2021-05-06 09:52:15,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:52:15,434 INFO L93 Difference]: Finished difference Result 578 states and 641 transitions. [2021-05-06 09:52:15,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-05-06 09:52:15,434 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 65 states have (on average 6.753846153846154) internal successors, (439), 64 states have internal predecessors, (439), 64 states have call successors, (66), 64 states have call predecessors, (66), 62 states have return successors, (64), 62 states have call predecessors, (64), 63 states have call successors, (64) Word has length 572 [2021-05-06 09:52:15,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:52:15,436 INFO L225 Difference]: With dead ends: 578 [2021-05-06 09:52:15,436 INFO L226 Difference]: Without dead ends: 578 [2021-05-06 09:52:15,437 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1891 ImplicationChecksByTransitivity, 2873.5ms TimeCoverageRelationStatistics Valid=5922, Invalid=9828, Unknown=0, NotChecked=0, Total=15750 [2021-05-06 09:52:15,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2021-05-06 09:52:15,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2021-05-06 09:52:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 446 states have (on average 1.141255605381166) internal successors, (509), 446 states have internal predecessors, (509), 67 states have call successors, (67), 66 states have call predecessors, (67), 64 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2021-05-06 09:52:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 641 transitions. [2021-05-06 09:52:15,441 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 641 transitions. Word has length 572 [2021-05-06 09:52:15,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:52:15,442 INFO L480 AbstractCegarLoop]: Abstraction has 578 states and 641 transitions. [2021-05-06 09:52:15,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 6.753846153846154) internal successors, (439), 64 states have internal predecessors, (439), 64 states have call successors, (66), 64 states have call predecessors, (66), 62 states have return successors, (64), 62 states have call predecessors, (64), 63 states have call successors, (64) [2021-05-06 09:52:15,442 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 641 transitions. [2021-05-06 09:52:15,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-05-06 09:52:15,445 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:52:15,445 INFO L523 BasicCegarLoop]: trace histogram [63, 63, 62, 62, 62, 62, 62, 62, 62, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:52:15,646 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:15,647 INFO L428 AbstractCegarLoop]: === Iteration 66 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:52:15,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:52:15,647 INFO L82 PathProgramCache]: Analyzing trace with hash -959500936, now seen corresponding path program 62 times [2021-05-06 09:52:15,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:52:15,648 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364841260] [2021-05-06 09:52:15,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:52:15,655 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:52:15,655 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288838487] [2021-05-06 09:52:15,655 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:15,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:52:15,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:52:15,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 129 conjunts are in the unsatisfiable core [2021-05-06 09:52:15,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:52:15,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:15,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:16,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:17,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:18,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:18,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:18,039 INFO L134 CoverageAnalysis]: Checked inductivity of 17271 backedges. 124 proven. 17143 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:52:18,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:52:18,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364841260] [2021-05-06 09:52:18,040 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:52:18,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288838487] [2021-05-06 09:52:18,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288838487] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:52:18,040 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:52:18,040 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2021-05-06 09:52:18,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069962412] [2021-05-06 09:52:18,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-05-06 09:52:18,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:52:18,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-05-06 09:52:18,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2082, Invalid=2208, Unknown=0, NotChecked=0, Total=4290 [2021-05-06 09:52:18,041 INFO L87 Difference]: Start difference. First operand 578 states and 641 transitions. Second operand has 66 states, 66 states have (on average 6.757575757575758) internal successors, (446), 65 states have internal predecessors, (446), 65 states have call successors, (67), 65 states have call predecessors, (67), 63 states have return successors, (65), 63 states have call predecessors, (65), 64 states have call successors, (65) [2021-05-06 09:52:20,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:52:20,068 INFO L93 Difference]: Finished difference Result 587 states and 651 transitions. [2021-05-06 09:52:20,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-05-06 09:52:20,068 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 6.757575757575758) internal successors, (446), 65 states have internal predecessors, (446), 65 states have call successors, (67), 65 states have call predecessors, (67), 63 states have return successors, (65), 63 states have call predecessors, (65), 64 states have call successors, (65) Word has length 581 [2021-05-06 09:52:20,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:52:20,070 INFO L225 Difference]: With dead ends: 587 [2021-05-06 09:52:20,070 INFO L226 Difference]: Without dead ends: 587 [2021-05-06 09:52:20,071 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1953 ImplicationChecksByTransitivity, 2994.8ms TimeCoverageRelationStatistics Valid=6112, Invalid=10144, Unknown=0, NotChecked=0, Total=16256 [2021-05-06 09:52:20,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2021-05-06 09:52:20,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2021-05-06 09:52:20,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 453 states have (on average 1.141280353200883) internal successors, (517), 453 states have internal predecessors, (517), 68 states have call successors, (68), 67 states have call predecessors, (68), 65 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2021-05-06 09:52:20,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 651 transitions. [2021-05-06 09:52:20,077 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 651 transitions. Word has length 581 [2021-05-06 09:52:20,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:52:20,077 INFO L480 AbstractCegarLoop]: Abstraction has 587 states and 651 transitions. [2021-05-06 09:52:20,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 6.757575757575758) internal successors, (446), 65 states have internal predecessors, (446), 65 states have call successors, (67), 65 states have call predecessors, (67), 63 states have return successors, (65), 63 states have call predecessors, (65), 64 states have call successors, (65) [2021-05-06 09:52:20,078 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 651 transitions. [2021-05-06 09:52:20,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2021-05-06 09:52:20,081 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:52:20,081 INFO L523 BasicCegarLoop]: trace histogram [64, 64, 63, 63, 63, 63, 63, 63, 63, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:52:20,286 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-05-06 09:52:20,287 INFO L428 AbstractCegarLoop]: === Iteration 67 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:52:20,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:52:20,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1232416515, now seen corresponding path program 63 times [2021-05-06 09:52:20,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:52:20,287 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444048398] [2021-05-06 09:52:20,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:52:20,293 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:52:20,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796229055] [2021-05-06 09:52:20,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:20,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 64 check-sat command(s) [2021-05-06 09:52:20,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:52:20,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 131 conjunts are in the unsatisfiable core [2021-05-06 09:52:20,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:52:20,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:20,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:21,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 17833 backedges. 126 proven. 17703 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:52:22,943 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:52:22,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444048398] [2021-05-06 09:52:22,943 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:52:22,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796229055] [2021-05-06 09:52:22,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796229055] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:52:22,943 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:52:22,943 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2021-05-06 09:52:22,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098438309] [2021-05-06 09:52:22,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-05-06 09:52:22,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:52:22,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-05-06 09:52:22,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2147, Invalid=2275, Unknown=0, NotChecked=0, Total=4422 [2021-05-06 09:52:22,945 INFO L87 Difference]: Start difference. First operand 587 states and 651 transitions. Second operand has 67 states, 67 states have (on average 6.7611940298507465) internal successors, (453), 66 states have internal predecessors, (453), 66 states have call successors, (68), 66 states have call predecessors, (68), 64 states have return successors, (66), 64 states have call predecessors, (66), 65 states have call successors, (66) [2021-05-06 09:52:25,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:52:25,031 INFO L93 Difference]: Finished difference Result 596 states and 661 transitions. [2021-05-06 09:52:25,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-05-06 09:52:25,032 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 6.7611940298507465) internal successors, (453), 66 states have internal predecessors, (453), 66 states have call successors, (68), 66 states have call predecessors, (68), 64 states have return successors, (66), 64 states have call predecessors, (66), 65 states have call successors, (66) Word has length 590 [2021-05-06 09:52:25,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:52:25,033 INFO L225 Difference]: With dead ends: 596 [2021-05-06 09:52:25,033 INFO L226 Difference]: Without dead ends: 596 [2021-05-06 09:52:25,034 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2016 ImplicationChecksByTransitivity, 3083.7ms TimeCoverageRelationStatistics Valid=6305, Invalid=10465, Unknown=0, NotChecked=0, Total=16770 [2021-05-06 09:52:25,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2021-05-06 09:52:25,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2021-05-06 09:52:25,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 460 states have (on average 1.141304347826087) internal successors, (525), 460 states have internal predecessors, (525), 69 states have call successors, (69), 68 states have call predecessors, (69), 66 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2021-05-06 09:52:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 661 transitions. [2021-05-06 09:52:25,039 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 661 transitions. Word has length 590 [2021-05-06 09:52:25,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:52:25,039 INFO L480 AbstractCegarLoop]: Abstraction has 596 states and 661 transitions. [2021-05-06 09:52:25,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 6.7611940298507465) internal successors, (453), 66 states have internal predecessors, (453), 66 states have call successors, (68), 66 states have call predecessors, (68), 64 states have return successors, (66), 64 states have call predecessors, (66), 65 states have call successors, (66) [2021-05-06 09:52:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 661 transitions. [2021-05-06 09:52:25,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2021-05-06 09:52:25,042 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:52:25,042 INFO L523 BasicCegarLoop]: trace histogram [65, 65, 64, 64, 64, 64, 64, 64, 64, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:52:25,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-05-06 09:52:25,243 INFO L428 AbstractCegarLoop]: === Iteration 68 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:52:25,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:52:25,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1323350488, now seen corresponding path program 64 times [2021-05-06 09:52:25,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:52:25,243 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507295305] [2021-05-06 09:52:25,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:52:25,249 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:52:25,250 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2116930628] [2021-05-06 09:52:25,250 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:25,465 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:52:25,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:52:25,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 133 conjunts are in the unsatisfiable core [2021-05-06 09:52:25,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:52:25,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:25,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:26,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 18404 backedges. 128 proven. 18272 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:52:27,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:52:27,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507295305] [2021-05-06 09:52:27,782 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:52:27,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116930628] [2021-05-06 09:52:27,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116930628] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:52:27,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:52:27,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2021-05-06 09:52:27,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405016182] [2021-05-06 09:52:27,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-05-06 09:52:27,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:52:27,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-05-06 09:52:27,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2213, Invalid=2343, Unknown=0, NotChecked=0, Total=4556 [2021-05-06 09:52:27,784 INFO L87 Difference]: Start difference. First operand 596 states and 661 transitions. Second operand has 68 states, 68 states have (on average 6.764705882352941) internal successors, (460), 67 states have internal predecessors, (460), 67 states have call successors, (69), 67 states have call predecessors, (69), 65 states have return successors, (67), 65 states have call predecessors, (67), 66 states have call successors, (67) [2021-05-06 09:52:29,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:52:29,904 INFO L93 Difference]: Finished difference Result 605 states and 671 transitions. [2021-05-06 09:52:29,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2021-05-06 09:52:29,905 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 6.764705882352941) internal successors, (460), 67 states have internal predecessors, (460), 67 states have call successors, (69), 67 states have call predecessors, (69), 65 states have return successors, (67), 65 states have call predecessors, (67), 66 states have call successors, (67) Word has length 599 [2021-05-06 09:52:29,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:52:29,906 INFO L225 Difference]: With dead ends: 605 [2021-05-06 09:52:29,906 INFO L226 Difference]: Without dead ends: 605 [2021-05-06 09:52:29,907 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 662 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2080 ImplicationChecksByTransitivity, 3149.1ms TimeCoverageRelationStatistics Valid=6501, Invalid=10791, Unknown=0, NotChecked=0, Total=17292 [2021-05-06 09:52:29,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-05-06 09:52:29,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2021-05-06 09:52:29,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 467 states have (on average 1.1413276231263383) internal successors, (533), 467 states have internal predecessors, (533), 70 states have call successors, (70), 69 states have call predecessors, (70), 67 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2021-05-06 09:52:29,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 671 transitions. [2021-05-06 09:52:29,912 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 671 transitions. Word has length 599 [2021-05-06 09:52:29,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:52:29,913 INFO L480 AbstractCegarLoop]: Abstraction has 605 states and 671 transitions. [2021-05-06 09:52:29,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 6.764705882352941) internal successors, (460), 67 states have internal predecessors, (460), 67 states have call successors, (69), 67 states have call predecessors, (69), 65 states have return successors, (67), 65 states have call predecessors, (67), 66 states have call successors, (67) [2021-05-06 09:52:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 671 transitions. [2021-05-06 09:52:29,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2021-05-06 09:52:29,916 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:52:29,916 INFO L523 BasicCegarLoop]: trace histogram [66, 66, 65, 65, 65, 65, 65, 65, 65, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:52:30,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:30,117 INFO L428 AbstractCegarLoop]: === Iteration 69 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:52:30,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:52:30,117 INFO L82 PathProgramCache]: Analyzing trace with hash 166432419, now seen corresponding path program 65 times [2021-05-06 09:52:30,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:52:30,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169045237] [2021-05-06 09:52:30,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:52:30,125 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:52:30,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2129063717] [2021-05-06 09:52:30,125 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:30,767 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 66 check-sat command(s) [2021-05-06 09:52:30,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:52:30,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 135 conjunts are in the unsatisfiable core [2021-05-06 09:52:30,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:52:30,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:30,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:31,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:32,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:33,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:33,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:33,084 INFO L134 CoverageAnalysis]: Checked inductivity of 18984 backedges. 130 proven. 18850 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:52:33,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:52:33,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169045237] [2021-05-06 09:52:33,084 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:52:33,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129063717] [2021-05-06 09:52:33,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129063717] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:52:33,085 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:52:33,085 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2021-05-06 09:52:33,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266934148] [2021-05-06 09:52:33,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-05-06 09:52:33,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:52:33,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-05-06 09:52:33,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2280, Invalid=2412, Unknown=0, NotChecked=0, Total=4692 [2021-05-06 09:52:33,086 INFO L87 Difference]: Start difference. First operand 605 states and 671 transitions. Second operand has 69 states, 69 states have (on average 6.768115942028985) internal successors, (467), 68 states have internal predecessors, (467), 68 states have call successors, (70), 68 states have call predecessors, (70), 66 states have return successors, (68), 66 states have call predecessors, (68), 67 states have call successors, (68) [2021-05-06 09:52:35,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:52:35,326 INFO L93 Difference]: Finished difference Result 614 states and 681 transitions. [2021-05-06 09:52:35,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-05-06 09:52:35,326 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 6.768115942028985) internal successors, (467), 68 states have internal predecessors, (467), 68 states have call successors, (70), 68 states have call predecessors, (70), 66 states have return successors, (68), 66 states have call predecessors, (68), 67 states have call successors, (68) Word has length 608 [2021-05-06 09:52:35,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:52:35,328 INFO L225 Difference]: With dead ends: 614 [2021-05-06 09:52:35,328 INFO L226 Difference]: Without dead ends: 614 [2021-05-06 09:52:35,329 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2145 ImplicationChecksByTransitivity, 3271.9ms TimeCoverageRelationStatistics Valid=6700, Invalid=11122, Unknown=0, NotChecked=0, Total=17822 [2021-05-06 09:52:35,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2021-05-06 09:52:35,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 614. [2021-05-06 09:52:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 474 states have (on average 1.141350210970464) internal successors, (541), 474 states have internal predecessors, (541), 71 states have call successors, (71), 70 states have call predecessors, (71), 68 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-05-06 09:52:35,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 681 transitions. [2021-05-06 09:52:35,333 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 681 transitions. Word has length 608 [2021-05-06 09:52:35,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:52:35,334 INFO L480 AbstractCegarLoop]: Abstraction has 614 states and 681 transitions. [2021-05-06 09:52:35,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 6.768115942028985) internal successors, (467), 68 states have internal predecessors, (467), 68 states have call successors, (70), 68 states have call predecessors, (70), 66 states have return successors, (68), 66 states have call predecessors, (68), 67 states have call successors, (68) [2021-05-06 09:52:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 681 transitions. [2021-05-06 09:52:35,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2021-05-06 09:52:35,337 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:52:35,337 INFO L523 BasicCegarLoop]: trace histogram [67, 67, 66, 66, 66, 66, 66, 66, 66, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:52:35,537 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-05-06 09:52:35,537 INFO L428 AbstractCegarLoop]: === Iteration 70 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:52:35,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:52:35,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1576276424, now seen corresponding path program 66 times [2021-05-06 09:52:35,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:52:35,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534436091] [2021-05-06 09:52:35,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:52:35,544 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:52:35,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [304119542] [2021-05-06 09:52:35,544 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:36,080 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 67 check-sat command(s) [2021-05-06 09:52:36,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:52:36,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 1645 conjuncts, 137 conjunts are in the unsatisfiable core [2021-05-06 09:52:36,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:52:36,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:36,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:37,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:38,440 INFO L134 CoverageAnalysis]: Checked inductivity of 19573 backedges. 132 proven. 19437 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:52:38,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:52:38,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534436091] [2021-05-06 09:52:38,440 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:52:38,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304119542] [2021-05-06 09:52:38,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304119542] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:52:38,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:52:38,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2021-05-06 09:52:38,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214664880] [2021-05-06 09:52:38,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-05-06 09:52:38,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:52:38,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-05-06 09:52:38,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2348, Invalid=2482, Unknown=0, NotChecked=0, Total=4830 [2021-05-06 09:52:38,442 INFO L87 Difference]: Start difference. First operand 614 states and 681 transitions. Second operand has 70 states, 70 states have (on average 6.771428571428571) internal successors, (474), 69 states have internal predecessors, (474), 69 states have call successors, (71), 69 states have call predecessors, (71), 67 states have return successors, (69), 67 states have call predecessors, (69), 68 states have call successors, (69) [2021-05-06 09:52:40,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:52:40,751 INFO L93 Difference]: Finished difference Result 623 states and 691 transitions. [2021-05-06 09:52:40,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-05-06 09:52:40,752 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 70 states have (on average 6.771428571428571) internal successors, (474), 69 states have internal predecessors, (474), 69 states have call successors, (71), 69 states have call predecessors, (71), 67 states have return successors, (69), 67 states have call predecessors, (69), 68 states have call successors, (69) Word has length 617 [2021-05-06 09:52:40,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:52:40,753 INFO L225 Difference]: With dead ends: 623 [2021-05-06 09:52:40,754 INFO L226 Difference]: Without dead ends: 623 [2021-05-06 09:52:40,754 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2211 ImplicationChecksByTransitivity, 3363.3ms TimeCoverageRelationStatistics Valid=6902, Invalid=11458, Unknown=0, NotChecked=0, Total=18360 [2021-05-06 09:52:40,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2021-05-06 09:52:40,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 623. [2021-05-06 09:52:40,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 481 states have (on average 1.1413721413721414) internal successors, (549), 481 states have internal predecessors, (549), 72 states have call successors, (72), 71 states have call predecessors, (72), 69 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2021-05-06 09:52:40,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 691 transitions. [2021-05-06 09:52:40,759 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 691 transitions. Word has length 617 [2021-05-06 09:52:40,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:52:40,760 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 691 transitions. [2021-05-06 09:52:40,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 6.771428571428571) internal successors, (474), 69 states have internal predecessors, (474), 69 states have call successors, (71), 69 states have call predecessors, (71), 67 states have return successors, (69), 67 states have call predecessors, (69), 68 states have call successors, (69) [2021-05-06 09:52:40,760 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 691 transitions. [2021-05-06 09:52:40,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-05-06 09:52:40,763 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:52:40,763 INFO L523 BasicCegarLoop]: trace histogram [68, 68, 67, 67, 67, 67, 67, 67, 67, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:52:40,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-05-06 09:52:40,965 INFO L428 AbstractCegarLoop]: === Iteration 71 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:52:40,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:52:40,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1650112957, now seen corresponding path program 67 times [2021-05-06 09:52:40,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:52:40,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582069905] [2021-05-06 09:52:40,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:52:40,971 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:52:40,971 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1499340414] [2021-05-06 09:52:40,972 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:52:41,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 1668 conjuncts, 139 conjunts are in the unsatisfiable core [2021-05-06 09:52:41,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:52:41,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:41,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:42,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:43,641 INFO L134 CoverageAnalysis]: Checked inductivity of 20171 backedges. 134 proven. 20033 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:52:43,641 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:52:43,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582069905] [2021-05-06 09:52:43,641 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:52:43,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499340414] [2021-05-06 09:52:43,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499340414] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:52:43,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:52:43,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2021-05-06 09:52:43,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373086591] [2021-05-06 09:52:43,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-05-06 09:52:43,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:52:43,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-05-06 09:52:43,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2417, Invalid=2553, Unknown=0, NotChecked=0, Total=4970 [2021-05-06 09:52:43,643 INFO L87 Difference]: Start difference. First operand 623 states and 691 transitions. Second operand has 71 states, 71 states have (on average 6.774647887323944) internal successors, (481), 70 states have internal predecessors, (481), 70 states have call successors, (72), 70 states have call predecessors, (72), 68 states have return successors, (70), 68 states have call predecessors, (70), 69 states have call successors, (70) [2021-05-06 09:52:45,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:52:45,960 INFO L93 Difference]: Finished difference Result 632 states and 701 transitions. [2021-05-06 09:52:45,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-05-06 09:52:45,960 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 71 states have (on average 6.774647887323944) internal successors, (481), 70 states have internal predecessors, (481), 70 states have call successors, (72), 70 states have call predecessors, (72), 68 states have return successors, (70), 68 states have call predecessors, (70), 69 states have call successors, (70) Word has length 626 [2021-05-06 09:52:45,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:52:45,971 INFO L225 Difference]: With dead ends: 632 [2021-05-06 09:52:45,971 INFO L226 Difference]: Without dead ends: 632 [2021-05-06 09:52:45,972 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 556 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2278 ImplicationChecksByTransitivity, 3458.7ms TimeCoverageRelationStatistics Valid=7107, Invalid=11799, Unknown=0, NotChecked=0, Total=18906 [2021-05-06 09:52:45,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-05-06 09:52:45,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2021-05-06 09:52:45,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 488 states have (on average 1.1413934426229508) internal successors, (557), 488 states have internal predecessors, (557), 73 states have call successors, (73), 72 states have call predecessors, (73), 70 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2021-05-06 09:52:45,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 701 transitions. [2021-05-06 09:52:45,979 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 701 transitions. Word has length 626 [2021-05-06 09:52:45,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:52:45,979 INFO L480 AbstractCegarLoop]: Abstraction has 632 states and 701 transitions. [2021-05-06 09:52:45,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 6.774647887323944) internal successors, (481), 70 states have internal predecessors, (481), 70 states have call successors, (72), 70 states have call predecessors, (72), 68 states have return successors, (70), 68 states have call predecessors, (70), 69 states have call successors, (70) [2021-05-06 09:52:45,980 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 701 transitions. [2021-05-06 09:52:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2021-05-06 09:52:45,983 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:52:45,983 INFO L523 BasicCegarLoop]: trace histogram [69, 69, 68, 68, 68, 68, 68, 68, 68, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:52:46,183 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable70 [2021-05-06 09:52:46,184 INFO L428 AbstractCegarLoop]: === Iteration 72 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:52:46,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:52:46,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1547094680, now seen corresponding path program 68 times [2021-05-06 09:52:46,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:52:46,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985370023] [2021-05-06 09:52:46,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:52:46,190 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:52:46,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1204616304] [2021-05-06 09:52:46,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:46,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:52:46,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:52:46,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 141 conjunts are in the unsatisfiable core [2021-05-06 09:52:46,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:52:46,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:46,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:47,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:48,965 INFO L134 CoverageAnalysis]: Checked inductivity of 20778 backedges. 136 proven. 20638 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:52:48,965 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:52:48,965 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985370023] [2021-05-06 09:52:48,965 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:52:48,965 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204616304] [2021-05-06 09:52:48,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204616304] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:52:48,966 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:52:48,966 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2021-05-06 09:52:48,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465249166] [2021-05-06 09:52:48,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 72 states [2021-05-06 09:52:48,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:52:48,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-05-06 09:52:48,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2487, Invalid=2625, Unknown=0, NotChecked=0, Total=5112 [2021-05-06 09:52:48,967 INFO L87 Difference]: Start difference. First operand 632 states and 701 transitions. Second operand has 72 states, 72 states have (on average 6.777777777777778) internal successors, (488), 71 states have internal predecessors, (488), 71 states have call successors, (73), 71 states have call predecessors, (73), 69 states have return successors, (71), 69 states have call predecessors, (71), 70 states have call successors, (71) [2021-05-06 09:52:51,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:52:51,406 INFO L93 Difference]: Finished difference Result 641 states and 711 transitions. [2021-05-06 09:52:51,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-05-06 09:52:51,407 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 72 states have (on average 6.777777777777778) internal successors, (488), 71 states have internal predecessors, (488), 71 states have call successors, (73), 71 states have call predecessors, (73), 69 states have return successors, (71), 69 states have call predecessors, (71), 70 states have call successors, (71) Word has length 635 [2021-05-06 09:52:51,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:52:51,409 INFO L225 Difference]: With dead ends: 641 [2021-05-06 09:52:51,409 INFO L226 Difference]: Without dead ends: 641 [2021-05-06 09:52:51,411 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2346 ImplicationChecksByTransitivity, 3627.0ms TimeCoverageRelationStatistics Valid=7315, Invalid=12145, Unknown=0, NotChecked=0, Total=19460 [2021-05-06 09:52:51,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2021-05-06 09:52:51,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2021-05-06 09:52:51,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 495 states have (on average 1.1414141414141414) internal successors, (565), 495 states have internal predecessors, (565), 74 states have call successors, (74), 73 states have call predecessors, (74), 71 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2021-05-06 09:52:51,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 711 transitions. [2021-05-06 09:52:51,418 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 711 transitions. Word has length 635 [2021-05-06 09:52:51,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:52:51,418 INFO L480 AbstractCegarLoop]: Abstraction has 641 states and 711 transitions. [2021-05-06 09:52:51,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 72 states, 72 states have (on average 6.777777777777778) internal successors, (488), 71 states have internal predecessors, (488), 71 states have call successors, (73), 71 states have call predecessors, (73), 69 states have return successors, (71), 69 states have call predecessors, (71), 70 states have call successors, (71) [2021-05-06 09:52:51,419 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 711 transitions. [2021-05-06 09:52:51,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2021-05-06 09:52:51,423 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:52:51,423 INFO L523 BasicCegarLoop]: trace histogram [70, 70, 69, 69, 69, 69, 69, 69, 69, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:52:51,644 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:51,645 INFO L428 AbstractCegarLoop]: === Iteration 73 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:52:51,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:52:51,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1803310563, now seen corresponding path program 69 times [2021-05-06 09:52:51,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:52:51,645 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146601451] [2021-05-06 09:52:51,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:52:51,651 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:52:51,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [906873019] [2021-05-06 09:52:51,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:52,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 70 check-sat command(s) [2021-05-06 09:52:52,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:52:52,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 1714 conjuncts, 143 conjunts are in the unsatisfiable core [2021-05-06 09:52:52,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:52:52,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:52,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:53,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 21394 backedges. 138 proven. 21252 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:52:54,913 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:52:54,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146601451] [2021-05-06 09:52:54,913 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:52:54,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906873019] [2021-05-06 09:52:54,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906873019] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:52:54,914 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:52:54,914 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2021-05-06 09:52:54,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554936698] [2021-05-06 09:52:54,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-05-06 09:52:54,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:52:54,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-05-06 09:52:54,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2558, Invalid=2698, Unknown=0, NotChecked=0, Total=5256 [2021-05-06 09:52:54,916 INFO L87 Difference]: Start difference. First operand 641 states and 711 transitions. Second operand has 73 states, 73 states have (on average 6.780821917808219) internal successors, (495), 72 states have internal predecessors, (495), 72 states have call successors, (74), 72 states have call predecessors, (74), 70 states have return successors, (72), 70 states have call predecessors, (72), 71 states have call successors, (72) [2021-05-06 09:52:57,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:52:57,521 INFO L93 Difference]: Finished difference Result 650 states and 721 transitions. [2021-05-06 09:52:57,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-05-06 09:52:57,521 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 6.780821917808219) internal successors, (495), 72 states have internal predecessors, (495), 72 states have call successors, (74), 72 states have call predecessors, (74), 70 states have return successors, (72), 70 states have call predecessors, (72), 71 states have call successors, (72) Word has length 644 [2021-05-06 09:52:57,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:52:57,523 INFO L225 Difference]: With dead ends: 650 [2021-05-06 09:52:57,524 INFO L226 Difference]: Without dead ends: 650 [2021-05-06 09:52:57,525 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 712 GetRequests, 572 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2415 ImplicationChecksByTransitivity, 3819.6ms TimeCoverageRelationStatistics Valid=7526, Invalid=12496, Unknown=0, NotChecked=0, Total=20022 [2021-05-06 09:52:57,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2021-05-06 09:52:57,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2021-05-06 09:52:57,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 502 states have (on average 1.1414342629482073) internal successors, (573), 502 states have internal predecessors, (573), 75 states have call successors, (75), 74 states have call predecessors, (75), 72 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2021-05-06 09:52:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 721 transitions. [2021-05-06 09:52:57,532 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 721 transitions. Word has length 644 [2021-05-06 09:52:57,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:52:57,533 INFO L480 AbstractCegarLoop]: Abstraction has 650 states and 721 transitions. [2021-05-06 09:52:57,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 6.780821917808219) internal successors, (495), 72 states have internal predecessors, (495), 72 states have call successors, (74), 72 states have call predecessors, (74), 70 states have return successors, (72), 70 states have call predecessors, (72), 71 states have call successors, (72) [2021-05-06 09:52:57,533 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 721 transitions. [2021-05-06 09:52:57,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2021-05-06 09:52:57,537 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:52:57,537 INFO L523 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 70, 70, 70, 70, 70, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:52:57,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,73 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:57,753 INFO L428 AbstractCegarLoop]: === Iteration 74 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:52:57,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:52:57,753 INFO L82 PathProgramCache]: Analyzing trace with hash 734482168, now seen corresponding path program 70 times [2021-05-06 09:52:57,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:52:57,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906719495] [2021-05-06 09:52:57,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:52:57,761 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:52:57,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [536657262] [2021-05-06 09:52:57,762 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:52:58,001 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:52:58,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:52:58,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 1737 conjuncts, 145 conjunts are in the unsatisfiable core [2021-05-06 09:52:58,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:52:58,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:58,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:52:59,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:00,763 INFO L134 CoverageAnalysis]: Checked inductivity of 22019 backedges. 140 proven. 21875 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:53:00,764 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:53:00,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906719495] [2021-05-06 09:53:00,764 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:53:00,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536657262] [2021-05-06 09:53:00,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536657262] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:53:00,764 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:53:00,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2021-05-06 09:53:00,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609446132] [2021-05-06 09:53:00,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-05-06 09:53:00,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:53:00,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-05-06 09:53:00,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2630, Invalid=2772, Unknown=0, NotChecked=0, Total=5402 [2021-05-06 09:53:00,765 INFO L87 Difference]: Start difference. First operand 650 states and 721 transitions. Second operand has 74 states, 74 states have (on average 6.783783783783784) internal successors, (502), 73 states have internal predecessors, (502), 73 states have call successors, (75), 73 states have call predecessors, (75), 71 states have return successors, (73), 71 states have call predecessors, (73), 72 states have call successors, (73) [2021-05-06 09:53:03,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:53:03,493 INFO L93 Difference]: Finished difference Result 659 states and 731 transitions. [2021-05-06 09:53:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-05-06 09:53:03,494 INFO L78 Accepts]: Start accepts. Automaton has has 74 states, 74 states have (on average 6.783783783783784) internal successors, (502), 73 states have internal predecessors, (502), 73 states have call successors, (75), 73 states have call predecessors, (75), 71 states have return successors, (73), 71 states have call predecessors, (73), 72 states have call successors, (73) Word has length 653 [2021-05-06 09:53:03,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:53:03,496 INFO L225 Difference]: With dead ends: 659 [2021-05-06 09:53:03,496 INFO L226 Difference]: Without dead ends: 659 [2021-05-06 09:53:03,498 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 722 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2485 ImplicationChecksByTransitivity, 3989.9ms TimeCoverageRelationStatistics Valid=7740, Invalid=12852, Unknown=0, NotChecked=0, Total=20592 [2021-05-06 09:53:03,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-05-06 09:53:03,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2021-05-06 09:53:03,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 509 states have (on average 1.1414538310412574) internal successors, (581), 509 states have internal predecessors, (581), 76 states have call successors, (76), 75 states have call predecessors, (76), 73 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2021-05-06 09:53:03,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 731 transitions. [2021-05-06 09:53:03,505 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 731 transitions. Word has length 653 [2021-05-06 09:53:03,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:53:03,505 INFO L480 AbstractCegarLoop]: Abstraction has 659 states and 731 transitions. [2021-05-06 09:53:03,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 6.783783783783784) internal successors, (502), 73 states have internal predecessors, (502), 73 states have call successors, (75), 73 states have call predecessors, (75), 71 states have return successors, (73), 71 states have call predecessors, (73), 72 states have call successors, (73) [2021-05-06 09:53:03,506 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 731 transitions. [2021-05-06 09:53:03,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2021-05-06 09:53:03,510 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:53:03,510 INFO L523 BasicCegarLoop]: trace histogram [72, 72, 71, 71, 71, 71, 71, 71, 71, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:53:03,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:03,735 INFO L428 AbstractCegarLoop]: === Iteration 75 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:53:03,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:53:03,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1748320893, now seen corresponding path program 71 times [2021-05-06 09:53:03,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:53:03,735 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878058852] [2021-05-06 09:53:03,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:53:03,741 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:53:03,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212409359] [2021-05-06 09:53:03,741 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:04,597 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 72 check-sat command(s) [2021-05-06 09:53:04,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:53:04,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 1760 conjuncts, 147 conjunts are in the unsatisfiable core [2021-05-06 09:53:04,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:53:04,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:04,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:05,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:06,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 22653 backedges. 142 proven. 22507 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:53:07,372 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:53:07,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878058852] [2021-05-06 09:53:07,373 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:53:07,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212409359] [2021-05-06 09:53:07,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212409359] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:53:07,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:53:07,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2021-05-06 09:53:07,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048236425] [2021-05-06 09:53:07,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-05-06 09:53:07,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:53:07,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-05-06 09:53:07,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2703, Invalid=2847, Unknown=0, NotChecked=0, Total=5550 [2021-05-06 09:53:07,375 INFO L87 Difference]: Start difference. First operand 659 states and 731 transitions. Second operand has 75 states, 75 states have (on average 6.786666666666667) internal successors, (509), 74 states have internal predecessors, (509), 74 states have call successors, (76), 74 states have call predecessors, (76), 72 states have return successors, (74), 72 states have call predecessors, (74), 73 states have call successors, (74) [2021-05-06 09:53:10,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:53:10,117 INFO L93 Difference]: Finished difference Result 668 states and 741 transitions. [2021-05-06 09:53:10,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-05-06 09:53:10,117 INFO L78 Accepts]: Start accepts. Automaton has has 75 states, 75 states have (on average 6.786666666666667) internal successors, (509), 74 states have internal predecessors, (509), 74 states have call successors, (76), 74 states have call predecessors, (76), 72 states have return successors, (74), 72 states have call predecessors, (74), 73 states have call successors, (74) Word has length 662 [2021-05-06 09:53:10,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:53:10,119 INFO L225 Difference]: With dead ends: 668 [2021-05-06 09:53:10,119 INFO L226 Difference]: Without dead ends: 668 [2021-05-06 09:53:10,120 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 588 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2556 ImplicationChecksByTransitivity, 3997.3ms TimeCoverageRelationStatistics Valid=7957, Invalid=13213, Unknown=0, NotChecked=0, Total=21170 [2021-05-06 09:53:10,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2021-05-06 09:53:10,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2021-05-06 09:53:10,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 516 states have (on average 1.1414728682170543) internal successors, (589), 516 states have internal predecessors, (589), 77 states have call successors, (77), 76 states have call predecessors, (77), 74 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2021-05-06 09:53:10,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 741 transitions. [2021-05-06 09:53:10,126 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 741 transitions. Word has length 662 [2021-05-06 09:53:10,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:53:10,127 INFO L480 AbstractCegarLoop]: Abstraction has 668 states and 741 transitions. [2021-05-06 09:53:10,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 6.786666666666667) internal successors, (509), 74 states have internal predecessors, (509), 74 states have call successors, (76), 74 states have call predecessors, (76), 72 states have return successors, (74), 72 states have call predecessors, (74), 73 states have call successors, (74) [2021-05-06 09:53:10,127 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 741 transitions. [2021-05-06 09:53:10,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2021-05-06 09:53:10,130 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:53:10,130 INFO L523 BasicCegarLoop]: trace histogram [73, 73, 72, 72, 72, 72, 72, 72, 72, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:53:10,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-05-06 09:53:10,331 INFO L428 AbstractCegarLoop]: === Iteration 76 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:53:10,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:53:10,331 INFO L82 PathProgramCache]: Analyzing trace with hash 832797528, now seen corresponding path program 72 times [2021-05-06 09:53:10,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:53:10,332 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657983417] [2021-05-06 09:53:10,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:53:10,338 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:53:10,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1369306194] [2021-05-06 09:53:10,338 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:10,986 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 73 check-sat command(s) [2021-05-06 09:53:10,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:53:10,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 1783 conjuncts, 149 conjunts are in the unsatisfiable core [2021-05-06 09:53:10,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:53:11,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:11,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:12,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 23296 backedges. 144 proven. 23148 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:53:13,883 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:53:13,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657983417] [2021-05-06 09:53:13,883 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:53:13,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369306194] [2021-05-06 09:53:13,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369306194] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:53:13,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:53:13,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2021-05-06 09:53:13,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439551604] [2021-05-06 09:53:13,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-05-06 09:53:13,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:53:13,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-05-06 09:53:13,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2777, Invalid=2923, Unknown=0, NotChecked=0, Total=5700 [2021-05-06 09:53:13,885 INFO L87 Difference]: Start difference. First operand 668 states and 741 transitions. Second operand has 76 states, 76 states have (on average 6.7894736842105265) internal successors, (516), 75 states have internal predecessors, (516), 75 states have call successors, (77), 75 states have call predecessors, (77), 73 states have return successors, (75), 73 states have call predecessors, (75), 74 states have call successors, (75) [2021-05-06 09:53:16,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:53:16,699 INFO L93 Difference]: Finished difference Result 677 states and 751 transitions. [2021-05-06 09:53:16,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-05-06 09:53:16,700 INFO L78 Accepts]: Start accepts. Automaton has has 76 states, 76 states have (on average 6.7894736842105265) internal successors, (516), 75 states have internal predecessors, (516), 75 states have call successors, (77), 75 states have call predecessors, (77), 73 states have return successors, (75), 73 states have call predecessors, (75), 74 states have call successors, (75) Word has length 671 [2021-05-06 09:53:16,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:53:16,701 INFO L225 Difference]: With dead ends: 677 [2021-05-06 09:53:16,702 INFO L226 Difference]: Without dead ends: 677 [2021-05-06 09:53:16,703 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 596 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2628 ImplicationChecksByTransitivity, 4140.7ms TimeCoverageRelationStatistics Valid=8177, Invalid=13579, Unknown=0, NotChecked=0, Total=21756 [2021-05-06 09:53:16,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-05-06 09:53:16,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 677. [2021-05-06 09:53:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 523 states have (on average 1.1414913957934991) internal successors, (597), 523 states have internal predecessors, (597), 78 states have call successors, (78), 77 states have call predecessors, (78), 75 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2021-05-06 09:53:16,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 751 transitions. [2021-05-06 09:53:16,709 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 751 transitions. Word has length 671 [2021-05-06 09:53:16,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:53:16,710 INFO L480 AbstractCegarLoop]: Abstraction has 677 states and 751 transitions. [2021-05-06 09:53:16,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 6.7894736842105265) internal successors, (516), 75 states have internal predecessors, (516), 75 states have call successors, (77), 75 states have call predecessors, (77), 73 states have return successors, (75), 73 states have call predecessors, (75), 74 states have call successors, (75) [2021-05-06 09:53:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 751 transitions. [2021-05-06 09:53:16,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-05-06 09:53:16,714 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:53:16,714 INFO L523 BasicCegarLoop]: trace histogram [74, 74, 73, 73, 73, 73, 73, 73, 73, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:53:16,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:16,915 INFO L428 AbstractCegarLoop]: === Iteration 77 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:53:16,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:53:16,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1536525021, now seen corresponding path program 73 times [2021-05-06 09:53:16,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:53:16,915 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111917852] [2021-05-06 09:53:16,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:53:16,921 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:53:16,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [647317988] [2021-05-06 09:53:16,921 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:53:17,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 1806 conjuncts, 151 conjunts are in the unsatisfiable core [2021-05-06 09:53:17,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:53:17,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:17,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:18,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:19,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:20,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:20,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 23948 backedges. 146 proven. 23798 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:53:20,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:53:20,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111917852] [2021-05-06 09:53:20,048 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:53:20,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647317988] [2021-05-06 09:53:20,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647317988] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:53:20,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:53:20,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2021-05-06 09:53:20,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166514472] [2021-05-06 09:53:20,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-05-06 09:53:20,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:53:20,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-05-06 09:53:20,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2852, Invalid=3000, Unknown=0, NotChecked=0, Total=5852 [2021-05-06 09:53:20,050 INFO L87 Difference]: Start difference. First operand 677 states and 751 transitions. Second operand has 77 states, 77 states have (on average 6.792207792207792) internal successors, (523), 76 states have internal predecessors, (523), 76 states have call successors, (78), 76 states have call predecessors, (78), 74 states have return successors, (76), 74 states have call predecessors, (76), 75 states have call successors, (76) [2021-05-06 09:53:22,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:53:22,895 INFO L93 Difference]: Finished difference Result 686 states and 761 transitions. [2021-05-06 09:53:22,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-05-06 09:53:22,896 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 77 states have (on average 6.792207792207792) internal successors, (523), 76 states have internal predecessors, (523), 76 states have call successors, (78), 76 states have call predecessors, (78), 74 states have return successors, (76), 74 states have call predecessors, (76), 75 states have call successors, (76) Word has length 680 [2021-05-06 09:53:22,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:53:22,897 INFO L225 Difference]: With dead ends: 686 [2021-05-06 09:53:22,897 INFO L226 Difference]: Without dead ends: 686 [2021-05-06 09:53:22,898 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2701 ImplicationChecksByTransitivity, 4227.9ms TimeCoverageRelationStatistics Valid=8400, Invalid=13950, Unknown=0, NotChecked=0, Total=22350 [2021-05-06 09:53:22,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2021-05-06 09:53:22,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2021-05-06 09:53:22,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 530 states have (on average 1.1415094339622642) internal successors, (605), 530 states have internal predecessors, (605), 79 states have call successors, (79), 78 states have call predecessors, (79), 76 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2021-05-06 09:53:22,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 761 transitions. [2021-05-06 09:53:22,903 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 761 transitions. Word has length 680 [2021-05-06 09:53:22,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:53:22,903 INFO L480 AbstractCegarLoop]: Abstraction has 686 states and 761 transitions. [2021-05-06 09:53:22,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 6.792207792207792) internal successors, (523), 76 states have internal predecessors, (523), 76 states have call successors, (78), 76 states have call predecessors, (78), 74 states have return successors, (76), 74 states have call predecessors, (76), 75 states have call successors, (76) [2021-05-06 09:53:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 761 transitions. [2021-05-06 09:53:22,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2021-05-06 09:53:22,907 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:53:22,907 INFO L523 BasicCegarLoop]: trace histogram [75, 75, 74, 74, 74, 74, 74, 74, 74, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:53:23,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:23,108 INFO L428 AbstractCegarLoop]: === Iteration 78 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:53:23,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:53:23,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1630621624, now seen corresponding path program 74 times [2021-05-06 09:53:23,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:53:23,108 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135098584] [2021-05-06 09:53:23,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:53:23,114 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:53:23,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1003271488] [2021-05-06 09:53:23,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:23,330 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:53:23,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:53:23,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 1829 conjuncts, 153 conjunts are in the unsatisfiable core [2021-05-06 09:53:23,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:53:23,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:23,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:24,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:25,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:26,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:26,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:26,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:26,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:26,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:26,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:26,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:26,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:26,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:26,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:26,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 24609 backedges. 148 proven. 24457 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:53:26,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:53:26,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135098584] [2021-05-06 09:53:26,257 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:53:26,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003271488] [2021-05-06 09:53:26,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003271488] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:53:26,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:53:26,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2021-05-06 09:53:26,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140674517] [2021-05-06 09:53:26,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 78 states [2021-05-06 09:53:26,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:53:26,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-05-06 09:53:26,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2928, Invalid=3078, Unknown=0, NotChecked=0, Total=6006 [2021-05-06 09:53:26,259 INFO L87 Difference]: Start difference. First operand 686 states and 761 transitions. Second operand has 78 states, 78 states have (on average 6.794871794871795) internal successors, (530), 77 states have internal predecessors, (530), 77 states have call successors, (79), 77 states have call predecessors, (79), 75 states have return successors, (77), 75 states have call predecessors, (77), 76 states have call successors, (77) [2021-05-06 09:53:29,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:53:29,141 INFO L93 Difference]: Finished difference Result 695 states and 771 transitions. [2021-05-06 09:53:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2021-05-06 09:53:29,142 INFO L78 Accepts]: Start accepts. Automaton has has 78 states, 78 states have (on average 6.794871794871795) internal successors, (530), 77 states have internal predecessors, (530), 77 states have call successors, (79), 77 states have call predecessors, (79), 75 states have return successors, (77), 75 states have call predecessors, (77), 76 states have call successors, (77) Word has length 689 [2021-05-06 09:53:29,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:53:29,144 INFO L225 Difference]: With dead ends: 695 [2021-05-06 09:53:29,144 INFO L226 Difference]: Without dead ends: 695 [2021-05-06 09:53:29,145 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2775 ImplicationChecksByTransitivity, 4288.1ms TimeCoverageRelationStatistics Valid=8626, Invalid=14326, Unknown=0, NotChecked=0, Total=22952 [2021-05-06 09:53:29,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2021-05-06 09:53:29,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 695. [2021-05-06 09:53:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 537 states have (on average 1.1415270018621975) internal successors, (613), 537 states have internal predecessors, (613), 80 states have call successors, (80), 79 states have call predecessors, (80), 77 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2021-05-06 09:53:29,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 771 transitions. [2021-05-06 09:53:29,151 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 771 transitions. Word has length 689 [2021-05-06 09:53:29,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:53:29,151 INFO L480 AbstractCegarLoop]: Abstraction has 695 states and 771 transitions. [2021-05-06 09:53:29,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 78 states, 78 states have (on average 6.794871794871795) internal successors, (530), 77 states have internal predecessors, (530), 77 states have call successors, (79), 77 states have call predecessors, (79), 75 states have return successors, (77), 75 states have call predecessors, (77), 76 states have call successors, (77) [2021-05-06 09:53:29,152 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 771 transitions. [2021-05-06 09:53:29,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2021-05-06 09:53:29,156 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:53:29,156 INFO L523 BasicCegarLoop]: trace histogram [76, 76, 75, 75, 75, 75, 75, 75, 75, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:53:29,364 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-05-06 09:53:29,365 INFO L428 AbstractCegarLoop]: === Iteration 79 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:53:29,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:53:29,365 INFO L82 PathProgramCache]: Analyzing trace with hash 280335555, now seen corresponding path program 75 times [2021-05-06 09:53:29,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:53:29,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814151257] [2021-05-06 09:53:29,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:53:29,371 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:53:29,372 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141071078] [2021-05-06 09:53:29,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:29,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 76 check-sat command(s) [2021-05-06 09:53:29,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:53:29,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 1852 conjuncts, 155 conjunts are in the unsatisfiable core [2021-05-06 09:53:29,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:53:29,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:29,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:29,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:29,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:29,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:29,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:30,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:31,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:32,944 INFO L134 CoverageAnalysis]: Checked inductivity of 25279 backedges. 150 proven. 25125 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:53:32,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:53:32,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814151257] [2021-05-06 09:53:32,945 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:53:32,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141071078] [2021-05-06 09:53:32,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141071078] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:53:32,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:53:32,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2021-05-06 09:53:32,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313711852] [2021-05-06 09:53:32,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-05-06 09:53:32,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:53:32,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-05-06 09:53:32,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3005, Invalid=3157, Unknown=0, NotChecked=0, Total=6162 [2021-05-06 09:53:32,946 INFO L87 Difference]: Start difference. First operand 695 states and 771 transitions. Second operand has 79 states, 79 states have (on average 6.7974683544303796) internal successors, (537), 78 states have internal predecessors, (537), 78 states have call successors, (80), 78 states have call predecessors, (80), 76 states have return successors, (78), 76 states have call predecessors, (78), 77 states have call successors, (78) [2021-05-06 09:53:35,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:53:35,885 INFO L93 Difference]: Finished difference Result 704 states and 781 transitions. [2021-05-06 09:53:35,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-05-06 09:53:35,886 INFO L78 Accepts]: Start accepts. Automaton has has 79 states, 79 states have (on average 6.7974683544303796) internal successors, (537), 78 states have internal predecessors, (537), 78 states have call successors, (80), 78 states have call predecessors, (80), 76 states have return successors, (78), 76 states have call predecessors, (78), 77 states have call successors, (78) Word has length 698 [2021-05-06 09:53:35,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:53:35,888 INFO L225 Difference]: With dead ends: 704 [2021-05-06 09:53:35,888 INFO L226 Difference]: Without dead ends: 704 [2021-05-06 09:53:35,889 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 772 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2850 ImplicationChecksByTransitivity, 4360.0ms TimeCoverageRelationStatistics Valid=8855, Invalid=14707, Unknown=0, NotChecked=0, Total=23562 [2021-05-06 09:53:35,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2021-05-06 09:53:35,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 704. [2021-05-06 09:53:35,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 544 states have (on average 1.1415441176470589) internal successors, (621), 544 states have internal predecessors, (621), 81 states have call successors, (81), 80 states have call predecessors, (81), 78 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2021-05-06 09:53:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 781 transitions. [2021-05-06 09:53:35,894 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 781 transitions. Word has length 698 [2021-05-06 09:53:35,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:53:35,895 INFO L480 AbstractCegarLoop]: Abstraction has 704 states and 781 transitions. [2021-05-06 09:53:35,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 79 states, 79 states have (on average 6.7974683544303796) internal successors, (537), 78 states have internal predecessors, (537), 78 states have call successors, (80), 78 states have call predecessors, (80), 76 states have return successors, (78), 76 states have call predecessors, (78), 77 states have call successors, (78) [2021-05-06 09:53:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 781 transitions. [2021-05-06 09:53:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2021-05-06 09:53:35,900 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:53:35,900 INFO L523 BasicCegarLoop]: trace histogram [77, 77, 76, 76, 76, 76, 76, 76, 76, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:53:36,125 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-05-06 09:53:36,125 INFO L428 AbstractCegarLoop]: === Iteration 80 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:53:36,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:53:36,125 INFO L82 PathProgramCache]: Analyzing trace with hash -531182568, now seen corresponding path program 76 times [2021-05-06 09:53:36,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:53:36,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839167908] [2021-05-06 09:53:36,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:53:36,134 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:53:36,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [278535242] [2021-05-06 09:53:36,136 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:36,411 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:53:36,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:53:36,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 1875 conjuncts, 157 conjunts are in the unsatisfiable core [2021-05-06 09:53:36,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:53:36,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:36,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:37,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:38,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:39,446 INFO L134 CoverageAnalysis]: Checked inductivity of 25958 backedges. 152 proven. 25802 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:53:39,446 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:53:39,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839167908] [2021-05-06 09:53:39,446 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:53:39,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278535242] [2021-05-06 09:53:39,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278535242] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:53:39,447 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:53:39,447 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2021-05-06 09:53:39,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668381160] [2021-05-06 09:53:39,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 80 states [2021-05-06 09:53:39,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:53:39,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-05-06 09:53:39,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3083, Invalid=3237, Unknown=0, NotChecked=0, Total=6320 [2021-05-06 09:53:39,448 INFO L87 Difference]: Start difference. First operand 704 states and 781 transitions. Second operand has 80 states, 80 states have (on average 6.8) internal successors, (544), 79 states have internal predecessors, (544), 79 states have call successors, (81), 79 states have call predecessors, (81), 77 states have return successors, (79), 77 states have call predecessors, (79), 78 states have call successors, (79) [2021-05-06 09:53:42,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:53:42,444 INFO L93 Difference]: Finished difference Result 713 states and 791 transitions. [2021-05-06 09:53:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-05-06 09:53:42,444 INFO L78 Accepts]: Start accepts. Automaton has has 80 states, 80 states have (on average 6.8) internal successors, (544), 79 states have internal predecessors, (544), 79 states have call successors, (81), 79 states have call predecessors, (81), 77 states have return successors, (79), 77 states have call predecessors, (79), 78 states have call successors, (79) Word has length 707 [2021-05-06 09:53:42,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:53:42,447 INFO L225 Difference]: With dead ends: 713 [2021-05-06 09:53:42,447 INFO L226 Difference]: Without dead ends: 713 [2021-05-06 09:53:42,448 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 782 GetRequests, 628 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2926 ImplicationChecksByTransitivity, 4473.3ms TimeCoverageRelationStatistics Valid=9087, Invalid=15093, Unknown=0, NotChecked=0, Total=24180 [2021-05-06 09:53:42,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2021-05-06 09:53:42,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 713. [2021-05-06 09:53:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 551 states have (on average 1.1415607985480944) internal successors, (629), 551 states have internal predecessors, (629), 82 states have call successors, (82), 81 states have call predecessors, (82), 79 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2021-05-06 09:53:42,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 791 transitions. [2021-05-06 09:53:42,454 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 791 transitions. Word has length 707 [2021-05-06 09:53:42,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:53:42,454 INFO L480 AbstractCegarLoop]: Abstraction has 713 states and 791 transitions. [2021-05-06 09:53:42,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 80 states, 80 states have (on average 6.8) internal successors, (544), 79 states have internal predecessors, (544), 79 states have call successors, (81), 79 states have call predecessors, (81), 77 states have return successors, (79), 77 states have call predecessors, (79), 78 states have call successors, (79) [2021-05-06 09:53:42,455 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 791 transitions. [2021-05-06 09:53:42,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2021-05-06 09:53:42,458 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:53:42,458 INFO L523 BasicCegarLoop]: trace histogram [78, 78, 77, 77, 77, 77, 77, 77, 77, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:53:42,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:42,659 INFO L428 AbstractCegarLoop]: === Iteration 81 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:53:42,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:53:42,659 INFO L82 PathProgramCache]: Analyzing trace with hash -108657565, now seen corresponding path program 77 times [2021-05-06 09:53:42,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:53:42,659 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527626442] [2021-05-06 09:53:42,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:53:42,666 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:53:42,666 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1992920879] [2021-05-06 09:53:42,666 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:43,511 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 78 check-sat command(s) [2021-05-06 09:53:43,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:53:43,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 1898 conjuncts, 159 conjunts are in the unsatisfiable core [2021-05-06 09:53:43,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:53:43,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:43,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:44,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:45,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 26646 backedges. 154 proven. 26488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:53:46,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:53:46,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527626442] [2021-05-06 09:53:46,630 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:53:46,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992920879] [2021-05-06 09:53:46,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992920879] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:53:46,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:53:46,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2021-05-06 09:53:46,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536977161] [2021-05-06 09:53:46,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-05-06 09:53:46,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:53:46,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-05-06 09:53:46,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3162, Invalid=3318, Unknown=0, NotChecked=0, Total=6480 [2021-05-06 09:53:46,631 INFO L87 Difference]: Start difference. First operand 713 states and 791 transitions. Second operand has 81 states, 81 states have (on average 6.802469135802469) internal successors, (551), 80 states have internal predecessors, (551), 80 states have call successors, (82), 80 states have call predecessors, (82), 78 states have return successors, (80), 78 states have call predecessors, (80), 79 states have call successors, (80) [2021-05-06 09:53:49,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:53:49,749 INFO L93 Difference]: Finished difference Result 722 states and 801 transitions. [2021-05-06 09:53:49,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-05-06 09:53:49,750 INFO L78 Accepts]: Start accepts. Automaton has has 81 states, 81 states have (on average 6.802469135802469) internal successors, (551), 80 states have internal predecessors, (551), 80 states have call successors, (82), 80 states have call predecessors, (82), 78 states have return successors, (80), 78 states have call predecessors, (80), 79 states have call successors, (80) Word has length 716 [2021-05-06 09:53:49,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:53:49,751 INFO L225 Difference]: With dead ends: 722 [2021-05-06 09:53:49,752 INFO L226 Difference]: Without dead ends: 722 [2021-05-06 09:53:49,753 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 792 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3003 ImplicationChecksByTransitivity, 4641.1ms TimeCoverageRelationStatistics Valid=9322, Invalid=15484, Unknown=0, NotChecked=0, Total=24806 [2021-05-06 09:53:49,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2021-05-06 09:53:49,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2021-05-06 09:53:49,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 558 states have (on average 1.1415770609318996) internal successors, (637), 558 states have internal predecessors, (637), 83 states have call successors, (83), 82 states have call predecessors, (83), 80 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2021-05-06 09:53:49,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 801 transitions. [2021-05-06 09:53:49,759 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 801 transitions. Word has length 716 [2021-05-06 09:53:49,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:53:49,759 INFO L480 AbstractCegarLoop]: Abstraction has 722 states and 801 transitions. [2021-05-06 09:53:49,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 81 states, 81 states have (on average 6.802469135802469) internal successors, (551), 80 states have internal predecessors, (551), 80 states have call successors, (82), 80 states have call predecessors, (82), 78 states have return successors, (80), 78 states have call predecessors, (80), 79 states have call successors, (80) [2021-05-06 09:53:49,759 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 801 transitions. [2021-05-06 09:53:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2021-05-06 09:53:49,763 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:53:49,763 INFO L523 BasicCegarLoop]: trace histogram [79, 79, 78, 78, 78, 78, 78, 78, 78, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:53:49,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,81 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:49,964 INFO L428 AbstractCegarLoop]: === Iteration 82 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:53:49,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:53:49,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1736044664, now seen corresponding path program 78 times [2021-05-06 09:53:49,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:53:49,964 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428221201] [2021-05-06 09:53:49,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:53:49,971 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:53:49,971 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1127195888] [2021-05-06 09:53:49,971 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:50,710 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 79 check-sat command(s) [2021-05-06 09:53:50,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:53:50,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 1921 conjuncts, 161 conjunts are in the unsatisfiable core [2021-05-06 09:53:50,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:53:50,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:50,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:51,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:52,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:53,897 INFO L134 CoverageAnalysis]: Checked inductivity of 27343 backedges. 156 proven. 27183 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:53:53,898 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:53:53,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428221201] [2021-05-06 09:53:53,898 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:53:53,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127195888] [2021-05-06 09:53:53,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127195888] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:53:53,898 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:53:53,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2021-05-06 09:53:53,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476289654] [2021-05-06 09:53:53,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-05-06 09:53:53,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:53:53,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-05-06 09:53:53,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3242, Invalid=3400, Unknown=0, NotChecked=0, Total=6642 [2021-05-06 09:53:53,900 INFO L87 Difference]: Start difference. First operand 722 states and 801 transitions. Second operand has 82 states, 82 states have (on average 6.804878048780488) internal successors, (558), 81 states have internal predecessors, (558), 81 states have call successors, (83), 81 states have call predecessors, (83), 79 states have return successors, (81), 79 states have call predecessors, (81), 80 states have call successors, (81) [2021-05-06 09:53:57,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:53:57,056 INFO L93 Difference]: Finished difference Result 731 states and 811 transitions. [2021-05-06 09:53:57,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-05-06 09:53:57,056 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 82 states have (on average 6.804878048780488) internal successors, (558), 81 states have internal predecessors, (558), 81 states have call successors, (83), 81 states have call predecessors, (83), 79 states have return successors, (81), 79 states have call predecessors, (81), 80 states have call successors, (81) Word has length 725 [2021-05-06 09:53:57,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:53:57,058 INFO L225 Difference]: With dead ends: 731 [2021-05-06 09:53:57,058 INFO L226 Difference]: Without dead ends: 731 [2021-05-06 09:53:57,059 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3081 ImplicationChecksByTransitivity, 4733.5ms TimeCoverageRelationStatistics Valid=9560, Invalid=15880, Unknown=0, NotChecked=0, Total=25440 [2021-05-06 09:53:57,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2021-05-06 09:53:57,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 731. [2021-05-06 09:53:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 565 states have (on average 1.1415929203539823) internal successors, (645), 565 states have internal predecessors, (645), 84 states have call successors, (84), 83 states have call predecessors, (84), 81 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2021-05-06 09:53:57,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 811 transitions. [2021-05-06 09:53:57,064 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 811 transitions. Word has length 725 [2021-05-06 09:53:57,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:53:57,064 INFO L480 AbstractCegarLoop]: Abstraction has 731 states and 811 transitions. [2021-05-06 09:53:57,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 6.804878048780488) internal successors, (558), 81 states have internal predecessors, (558), 81 states have call successors, (83), 81 states have call predecessors, (83), 79 states have return successors, (81), 79 states have call predecessors, (81), 80 states have call successors, (81) [2021-05-06 09:53:57,065 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 811 transitions. [2021-05-06 09:53:57,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2021-05-06 09:53:57,068 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:53:57,068 INFO L523 BasicCegarLoop]: trace histogram [80, 80, 79, 79, 79, 79, 79, 79, 79, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:53:57,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:57,269 INFO L428 AbstractCegarLoop]: === Iteration 83 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:53:57,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:53:57,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1187656701, now seen corresponding path program 79 times [2021-05-06 09:53:57,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:53:57,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10959944] [2021-05-06 09:53:57,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:53:57,276 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:53:57,276 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743524825] [2021-05-06 09:53:57,276 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:53:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:53:57,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1944 conjuncts, 163 conjunts are in the unsatisfiable core [2021-05-06 09:53:57,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:53:57,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:57,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:58,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:53:59,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:00,808 INFO L134 CoverageAnalysis]: Checked inductivity of 28049 backedges. 158 proven. 27887 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:54:00,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:54:00,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10959944] [2021-05-06 09:54:00,808 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:54:00,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743524825] [2021-05-06 09:54:00,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743524825] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:54:00,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:54:00,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2021-05-06 09:54:00,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492249484] [2021-05-06 09:54:00,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-05-06 09:54:00,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:54:00,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-05-06 09:54:00,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3323, Invalid=3483, Unknown=0, NotChecked=0, Total=6806 [2021-05-06 09:54:00,810 INFO L87 Difference]: Start difference. First operand 731 states and 811 transitions. Second operand has 83 states, 83 states have (on average 6.807228915662651) internal successors, (565), 82 states have internal predecessors, (565), 82 states have call successors, (84), 82 states have call predecessors, (84), 80 states have return successors, (82), 80 states have call predecessors, (82), 81 states have call successors, (82) [2021-05-06 09:54:04,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:54:04,048 INFO L93 Difference]: Finished difference Result 740 states and 821 transitions. [2021-05-06 09:54:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-05-06 09:54:04,049 INFO L78 Accepts]: Start accepts. Automaton has has 83 states, 83 states have (on average 6.807228915662651) internal successors, (565), 82 states have internal predecessors, (565), 82 states have call successors, (84), 82 states have call predecessors, (84), 80 states have return successors, (82), 80 states have call predecessors, (82), 81 states have call successors, (82) Word has length 734 [2021-05-06 09:54:04,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:54:04,050 INFO L225 Difference]: With dead ends: 740 [2021-05-06 09:54:04,050 INFO L226 Difference]: Without dead ends: 740 [2021-05-06 09:54:04,052 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3160 ImplicationChecksByTransitivity, 4841.7ms TimeCoverageRelationStatistics Valid=9801, Invalid=16281, Unknown=0, NotChecked=0, Total=26082 [2021-05-06 09:54:04,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-05-06 09:54:04,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2021-05-06 09:54:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 572 states have (on average 1.1416083916083917) internal successors, (653), 572 states have internal predecessors, (653), 85 states have call successors, (85), 84 states have call predecessors, (85), 82 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2021-05-06 09:54:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 821 transitions. [2021-05-06 09:54:04,058 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 821 transitions. Word has length 734 [2021-05-06 09:54:04,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:54:04,059 INFO L480 AbstractCegarLoop]: Abstraction has 740 states and 821 transitions. [2021-05-06 09:54:04,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 6.807228915662651) internal successors, (565), 82 states have internal predecessors, (565), 82 states have call successors, (84), 82 states have call predecessors, (84), 80 states have return successors, (82), 80 states have call predecessors, (82), 81 states have call successors, (82) [2021-05-06 09:54:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 821 transitions. [2021-05-06 09:54:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2021-05-06 09:54:04,064 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:54:04,064 INFO L523 BasicCegarLoop]: trace histogram [81, 81, 80, 80, 80, 80, 80, 80, 80, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:54:04,280 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,83 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:54:04,281 INFO L428 AbstractCegarLoop]: === Iteration 84 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:54:04,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:54:04,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1585398568, now seen corresponding path program 80 times [2021-05-06 09:54:04,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:54:04,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899912836] [2021-05-06 09:54:04,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:54:04,297 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:54:04,298 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031949715] [2021-05-06 09:54:04,298 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:54:04,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:54:04,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:54:04,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 165 conjunts are in the unsatisfiable core [2021-05-06 09:54:04,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:54:04,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:04,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:05,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:06,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:07,947 INFO L134 CoverageAnalysis]: Checked inductivity of 28764 backedges. 160 proven. 28600 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:54:07,947 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:54:07,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899912836] [2021-05-06 09:54:07,947 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:54:07,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031949715] [2021-05-06 09:54:07,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031949715] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:54:07,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:54:07,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2021-05-06 09:54:07,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045036638] [2021-05-06 09:54:07,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 84 states [2021-05-06 09:54:07,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:54:07,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2021-05-06 09:54:07,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3405, Invalid=3567, Unknown=0, NotChecked=0, Total=6972 [2021-05-06 09:54:07,949 INFO L87 Difference]: Start difference. First operand 740 states and 821 transitions. Second operand has 84 states, 84 states have (on average 6.809523809523809) internal successors, (572), 83 states have internal predecessors, (572), 83 states have call successors, (85), 83 states have call predecessors, (85), 81 states have return successors, (83), 81 states have call predecessors, (83), 82 states have call successors, (83) [2021-05-06 09:54:11,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:54:11,214 INFO L93 Difference]: Finished difference Result 749 states and 831 transitions. [2021-05-06 09:54:11,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-05-06 09:54:11,215 INFO L78 Accepts]: Start accepts. Automaton has has 84 states, 84 states have (on average 6.809523809523809) internal successors, (572), 83 states have internal predecessors, (572), 83 states have call successors, (85), 83 states have call predecessors, (85), 81 states have return successors, (83), 81 states have call predecessors, (83), 82 states have call successors, (83) Word has length 743 [2021-05-06 09:54:11,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:54:11,217 INFO L225 Difference]: With dead ends: 749 [2021-05-06 09:54:11,217 INFO L226 Difference]: Without dead ends: 749 [2021-05-06 09:54:11,218 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 822 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3240 ImplicationChecksByTransitivity, 4939.6ms TimeCoverageRelationStatistics Valid=10045, Invalid=16687, Unknown=0, NotChecked=0, Total=26732 [2021-05-06 09:54:11,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2021-05-06 09:54:11,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2021-05-06 09:54:11,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 579 states have (on average 1.1416234887737478) internal successors, (661), 579 states have internal predecessors, (661), 86 states have call successors, (86), 85 states have call predecessors, (86), 83 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2021-05-06 09:54:11,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 831 transitions. [2021-05-06 09:54:11,223 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 831 transitions. Word has length 743 [2021-05-06 09:54:11,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:54:11,223 INFO L480 AbstractCegarLoop]: Abstraction has 749 states and 831 transitions. [2021-05-06 09:54:11,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 84 states, 84 states have (on average 6.809523809523809) internal successors, (572), 83 states have internal predecessors, (572), 83 states have call successors, (85), 83 states have call predecessors, (85), 81 states have return successors, (83), 81 states have call predecessors, (83), 82 states have call successors, (83) [2021-05-06 09:54:11,223 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 831 transitions. [2021-05-06 09:54:11,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2021-05-06 09:54:11,227 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:54:11,227 INFO L523 BasicCegarLoop]: trace histogram [82, 82, 81, 81, 81, 81, 81, 81, 81, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:54:11,428 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:54:11,428 INFO L428 AbstractCegarLoop]: === Iteration 85 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:54:11,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:54:11,428 INFO L82 PathProgramCache]: Analyzing trace with hash -2019628125, now seen corresponding path program 81 times [2021-05-06 09:54:11,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:54:11,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626764487] [2021-05-06 09:54:11,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:54:11,434 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:54:11,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1980463348] [2021-05-06 09:54:11,435 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:54:12,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 82 check-sat command(s) [2021-05-06 09:54:12,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:54:12,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 1990 conjuncts, 167 conjunts are in the unsatisfiable core [2021-05-06 09:54:12,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:54:12,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:12,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:13,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:14,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 29488 backedges. 162 proven. 29322 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:54:15,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:54:15,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626764487] [2021-05-06 09:54:15,412 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:54:15,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980463348] [2021-05-06 09:54:15,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980463348] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:54:15,412 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:54:15,412 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2021-05-06 09:54:15,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440462959] [2021-05-06 09:54:15,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-05-06 09:54:15,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:54:15,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-05-06 09:54:15,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3488, Invalid=3652, Unknown=0, NotChecked=0, Total=7140 [2021-05-06 09:54:15,414 INFO L87 Difference]: Start difference. First operand 749 states and 831 transitions. Second operand has 85 states, 85 states have (on average 6.811764705882353) internal successors, (579), 84 states have internal predecessors, (579), 84 states have call successors, (86), 84 states have call predecessors, (86), 82 states have return successors, (84), 82 states have call predecessors, (84), 83 states have call successors, (84) [2021-05-06 09:54:18,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:54:18,791 INFO L93 Difference]: Finished difference Result 758 states and 841 transitions. [2021-05-06 09:54:18,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-05-06 09:54:18,791 INFO L78 Accepts]: Start accepts. Automaton has has 85 states, 85 states have (on average 6.811764705882353) internal successors, (579), 84 states have internal predecessors, (579), 84 states have call successors, (86), 84 states have call predecessors, (86), 82 states have return successors, (84), 82 states have call predecessors, (84), 83 states have call successors, (84) Word has length 752 [2021-05-06 09:54:18,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:54:18,793 INFO L225 Difference]: With dead ends: 758 [2021-05-06 09:54:18,793 INFO L226 Difference]: Without dead ends: 758 [2021-05-06 09:54:18,794 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 668 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3321 ImplicationChecksByTransitivity, 5019.9ms TimeCoverageRelationStatistics Valid=10292, Invalid=17098, Unknown=0, NotChecked=0, Total=27390 [2021-05-06 09:54:18,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2021-05-06 09:54:18,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 758. [2021-05-06 09:54:18,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 586 states have (on average 1.1416382252559727) internal successors, (669), 586 states have internal predecessors, (669), 87 states have call successors, (87), 86 states have call predecessors, (87), 84 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2021-05-06 09:54:18,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 841 transitions. [2021-05-06 09:54:18,801 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 841 transitions. Word has length 752 [2021-05-06 09:54:18,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:54:18,802 INFO L480 AbstractCegarLoop]: Abstraction has 758 states and 841 transitions. [2021-05-06 09:54:18,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 85 states, 85 states have (on average 6.811764705882353) internal successors, (579), 84 states have internal predecessors, (579), 84 states have call successors, (86), 84 states have call predecessors, (86), 82 states have return successors, (84), 82 states have call predecessors, (84), 83 states have call successors, (84) [2021-05-06 09:54:18,802 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 841 transitions. [2021-05-06 09:54:18,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2021-05-06 09:54:18,807 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:54:18,807 INFO L523 BasicCegarLoop]: trace histogram [83, 83, 82, 82, 82, 82, 82, 82, 82, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:54:19,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-05-06 09:54:19,033 INFO L428 AbstractCegarLoop]: === Iteration 86 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:54:19,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:54:19,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1949224648, now seen corresponding path program 82 times [2021-05-06 09:54:19,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:54:19,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503070476] [2021-05-06 09:54:19,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:54:19,040 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:54:19,040 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2079639862] [2021-05-06 09:54:19,040 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:54:19,328 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:54:19,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:54:19,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 2013 conjuncts, 169 conjunts are in the unsatisfiable core [2021-05-06 09:54:19,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:54:19,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:19,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:20,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:21,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:22,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30221 backedges. 164 proven. 30053 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:54:22,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:54:22,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503070476] [2021-05-06 09:54:22,688 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:54:22,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079639862] [2021-05-06 09:54:22,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079639862] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:54:22,688 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:54:22,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2021-05-06 09:54:22,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384746702] [2021-05-06 09:54:22,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-05-06 09:54:22,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:54:22,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-05-06 09:54:22,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3572, Invalid=3738, Unknown=0, NotChecked=0, Total=7310 [2021-05-06 09:54:22,690 INFO L87 Difference]: Start difference. First operand 758 states and 841 transitions. Second operand has 86 states, 86 states have (on average 6.813953488372093) internal successors, (586), 85 states have internal predecessors, (586), 85 states have call successors, (87), 85 states have call predecessors, (87), 83 states have return successors, (85), 83 states have call predecessors, (85), 84 states have call successors, (85) [2021-05-06 09:54:26,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:54:26,076 INFO L93 Difference]: Finished difference Result 767 states and 851 transitions. [2021-05-06 09:54:26,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2021-05-06 09:54:26,077 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 86 states have (on average 6.813953488372093) internal successors, (586), 85 states have internal predecessors, (586), 85 states have call successors, (87), 85 states have call predecessors, (87), 83 states have return successors, (85), 83 states have call predecessors, (85), 84 states have call successors, (85) Word has length 761 [2021-05-06 09:54:26,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:54:26,079 INFO L225 Difference]: With dead ends: 767 [2021-05-06 09:54:26,079 INFO L226 Difference]: Without dead ends: 767 [2021-05-06 09:54:26,080 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 842 GetRequests, 676 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3403 ImplicationChecksByTransitivity, 5059.0ms TimeCoverageRelationStatistics Valid=10542, Invalid=17514, Unknown=0, NotChecked=0, Total=28056 [2021-05-06 09:54:26,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2021-05-06 09:54:26,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 767. [2021-05-06 09:54:26,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 593 states have (on average 1.1416526138279932) internal successors, (677), 593 states have internal predecessors, (677), 88 states have call successors, (88), 87 states have call predecessors, (88), 85 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-05-06 09:54:26,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 851 transitions. [2021-05-06 09:54:26,087 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 851 transitions. Word has length 761 [2021-05-06 09:54:26,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:54:26,088 INFO L480 AbstractCegarLoop]: Abstraction has 767 states and 851 transitions. [2021-05-06 09:54:26,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 6.813953488372093) internal successors, (586), 85 states have internal predecessors, (586), 85 states have call successors, (87), 85 states have call predecessors, (87), 83 states have return successors, (85), 83 states have call predecessors, (85), 84 states have call successors, (85) [2021-05-06 09:54:26,088 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 851 transitions. [2021-05-06 09:54:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2021-05-06 09:54:26,092 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:54:26,092 INFO L523 BasicCegarLoop]: trace histogram [84, 84, 83, 83, 83, 83, 83, 83, 83, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:54:26,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,86 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:54:26,293 INFO L428 AbstractCegarLoop]: === Iteration 87 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:54:26,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:54:26,293 INFO L82 PathProgramCache]: Analyzing trace with hash 438002499, now seen corresponding path program 83 times [2021-05-06 09:54:26,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:54:26,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37989200] [2021-05-06 09:54:26,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:54:26,299 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:54:26,299 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1463133794] [2021-05-06 09:54:26,299 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:54:27,211 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 84 check-sat command(s) [2021-05-06 09:54:27,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:54:27,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 171 conjunts are in the unsatisfiable core [2021-05-06 09:54:27,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:54:27,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:27,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:28,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:29,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:30,649 INFO L134 CoverageAnalysis]: Checked inductivity of 30963 backedges. 166 proven. 30793 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:54:30,650 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:54:30,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37989200] [2021-05-06 09:54:30,650 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:54:30,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463133794] [2021-05-06 09:54:30,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463133794] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:54:30,650 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:54:30,650 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2021-05-06 09:54:30,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870916963] [2021-05-06 09:54:30,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-05-06 09:54:30,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:54:30,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-05-06 09:54:30,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3657, Invalid=3825, Unknown=0, NotChecked=0, Total=7482 [2021-05-06 09:54:30,652 INFO L87 Difference]: Start difference. First operand 767 states and 851 transitions. Second operand has 87 states, 87 states have (on average 6.816091954022989) internal successors, (593), 86 states have internal predecessors, (593), 86 states have call successors, (88), 86 states have call predecessors, (88), 84 states have return successors, (86), 84 states have call predecessors, (86), 85 states have call successors, (86) [2021-05-06 09:54:34,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:54:34,091 INFO L93 Difference]: Finished difference Result 776 states and 861 transitions. [2021-05-06 09:54:34,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-05-06 09:54:34,091 INFO L78 Accepts]: Start accepts. Automaton has has 87 states, 87 states have (on average 6.816091954022989) internal successors, (593), 86 states have internal predecessors, (593), 86 states have call successors, (88), 86 states have call predecessors, (88), 84 states have return successors, (86), 84 states have call predecessors, (86), 85 states have call successors, (86) Word has length 770 [2021-05-06 09:54:34,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:54:34,093 INFO L225 Difference]: With dead ends: 776 [2021-05-06 09:54:34,093 INFO L226 Difference]: Without dead ends: 776 [2021-05-06 09:54:34,095 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 852 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3486 ImplicationChecksByTransitivity, 5167.6ms TimeCoverageRelationStatistics Valid=10795, Invalid=17935, Unknown=0, NotChecked=0, Total=28730 [2021-05-06 09:54:34,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2021-05-06 09:54:34,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 776. [2021-05-06 09:54:34,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 600 states have (on average 1.1416666666666666) internal successors, (685), 600 states have internal predecessors, (685), 89 states have call successors, (89), 88 states have call predecessors, (89), 86 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-05-06 09:54:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 861 transitions. [2021-05-06 09:54:34,101 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 861 transitions. Word has length 770 [2021-05-06 09:54:34,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:54:34,101 INFO L480 AbstractCegarLoop]: Abstraction has 776 states and 861 transitions. [2021-05-06 09:54:34,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 6.816091954022989) internal successors, (593), 86 states have internal predecessors, (593), 86 states have call successors, (88), 86 states have call predecessors, (88), 84 states have return successors, (86), 84 states have call predecessors, (86), 85 states have call successors, (86) [2021-05-06 09:54:34,101 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 861 transitions. [2021-05-06 09:54:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2021-05-06 09:54:34,105 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:54:34,106 INFO L523 BasicCegarLoop]: trace histogram [85, 85, 84, 84, 84, 84, 84, 84, 84, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:54:34,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2021-05-06 09:54:34,309 INFO L428 AbstractCegarLoop]: === Iteration 88 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:54:34,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:54:34,309 INFO L82 PathProgramCache]: Analyzing trace with hash -699314792, now seen corresponding path program 84 times [2021-05-06 09:54:34,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:54:34,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199848035] [2021-05-06 09:54:34,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:54:34,315 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:54:34,316 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [653098339] [2021-05-06 09:54:34,316 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:54:35,246 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 85 check-sat command(s) [2021-05-06 09:54:35,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:54:35,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 2059 conjuncts, 173 conjunts are in the unsatisfiable core [2021-05-06 09:54:35,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:54:35,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:35,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:36,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:37,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:38,805 INFO L134 CoverageAnalysis]: Checked inductivity of 31714 backedges. 168 proven. 31542 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:54:38,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:54:38,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199848035] [2021-05-06 09:54:38,805 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:54:38,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653098339] [2021-05-06 09:54:38,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653098339] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:54:38,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:54:38,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2021-05-06 09:54:38,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239369196] [2021-05-06 09:54:38,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-05-06 09:54:38,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:54:38,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-05-06 09:54:38,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3743, Invalid=3913, Unknown=0, NotChecked=0, Total=7656 [2021-05-06 09:54:38,807 INFO L87 Difference]: Start difference. First operand 776 states and 861 transitions. Second operand has 88 states, 88 states have (on average 6.818181818181818) internal successors, (600), 87 states have internal predecessors, (600), 87 states have call successors, (89), 87 states have call predecessors, (89), 85 states have return successors, (87), 85 states have call predecessors, (87), 86 states have call successors, (87) [2021-05-06 09:54:42,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:54:42,313 INFO L93 Difference]: Finished difference Result 785 states and 871 transitions. [2021-05-06 09:54:42,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-05-06 09:54:42,314 INFO L78 Accepts]: Start accepts. Automaton has has 88 states, 88 states have (on average 6.818181818181818) internal successors, (600), 87 states have internal predecessors, (600), 87 states have call successors, (89), 87 states have call predecessors, (89), 85 states have return successors, (87), 85 states have call predecessors, (87), 86 states have call successors, (87) Word has length 779 [2021-05-06 09:54:42,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:54:42,315 INFO L225 Difference]: With dead ends: 785 [2021-05-06 09:54:42,315 INFO L226 Difference]: Without dead ends: 785 [2021-05-06 09:54:42,317 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 862 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3570 ImplicationChecksByTransitivity, 5323.4ms TimeCoverageRelationStatistics Valid=11051, Invalid=18361, Unknown=0, NotChecked=0, Total=29412 [2021-05-06 09:54:42,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2021-05-06 09:54:42,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2021-05-06 09:54:42,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 607 states have (on average 1.14168039538715) internal successors, (693), 607 states have internal predecessors, (693), 90 states have call successors, (90), 89 states have call predecessors, (90), 87 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2021-05-06 09:54:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 871 transitions. [2021-05-06 09:54:42,322 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 871 transitions. Word has length 779 [2021-05-06 09:54:42,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:54:42,322 INFO L480 AbstractCegarLoop]: Abstraction has 785 states and 871 transitions. [2021-05-06 09:54:42,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 6.818181818181818) internal successors, (600), 87 states have internal predecessors, (600), 87 states have call successors, (89), 87 states have call predecessors, (89), 85 states have return successors, (87), 85 states have call predecessors, (87), 86 states have call successors, (87) [2021-05-06 09:54:42,323 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 871 transitions. [2021-05-06 09:54:42,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 789 [2021-05-06 09:54:42,327 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:54:42,327 INFO L523 BasicCegarLoop]: trace histogram [86, 86, 85, 85, 85, 85, 85, 85, 85, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:54:42,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2021-05-06 09:54:42,527 INFO L428 AbstractCegarLoop]: === Iteration 89 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:54:42,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:54:42,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1132802787, now seen corresponding path program 85 times [2021-05-06 09:54:42,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:54:42,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867444371] [2021-05-06 09:54:42,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:54:42,535 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:54:42,535 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [843034531] [2021-05-06 09:54:42,535 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:54:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:54:42,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 175 conjunts are in the unsatisfiable core [2021-05-06 09:54:42,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:54:42,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:42,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:43,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:44,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:45,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 32474 backedges. 170 proven. 32300 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:54:46,402 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:54:46,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867444371] [2021-05-06 09:54:46,402 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:54:46,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843034531] [2021-05-06 09:54:46,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843034531] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:54:46,402 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:54:46,402 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2021-05-06 09:54:46,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311888969] [2021-05-06 09:54:46,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-05-06 09:54:46,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:54:46,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-05-06 09:54:46,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3830, Invalid=4002, Unknown=0, NotChecked=0, Total=7832 [2021-05-06 09:54:46,404 INFO L87 Difference]: Start difference. First operand 785 states and 871 transitions. Second operand has 89 states, 89 states have (on average 6.820224719101123) internal successors, (607), 88 states have internal predecessors, (607), 88 states have call successors, (90), 88 states have call predecessors, (90), 86 states have return successors, (88), 86 states have call predecessors, (88), 87 states have call successors, (88) [2021-05-06 09:54:50,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:54:50,061 INFO L93 Difference]: Finished difference Result 794 states and 881 transitions. [2021-05-06 09:54:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2021-05-06 09:54:50,062 INFO L78 Accepts]: Start accepts. Automaton has has 89 states, 89 states have (on average 6.820224719101123) internal successors, (607), 88 states have internal predecessors, (607), 88 states have call successors, (90), 88 states have call predecessors, (90), 86 states have return successors, (88), 86 states have call predecessors, (88), 87 states have call successors, (88) Word has length 788 [2021-05-06 09:54:50,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:54:50,063 INFO L225 Difference]: With dead ends: 794 [2021-05-06 09:54:50,063 INFO L226 Difference]: Without dead ends: 794 [2021-05-06 09:54:50,064 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 872 GetRequests, 700 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3655 ImplicationChecksByTransitivity, 5445.1ms TimeCoverageRelationStatistics Valid=11310, Invalid=18792, Unknown=0, NotChecked=0, Total=30102 [2021-05-06 09:54:50,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2021-05-06 09:54:50,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2021-05-06 09:54:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 614 states have (on average 1.1416938110749186) internal successors, (701), 614 states have internal predecessors, (701), 91 states have call successors, (91), 90 states have call predecessors, (91), 88 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2021-05-06 09:54:50,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 881 transitions. [2021-05-06 09:54:50,071 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 881 transitions. Word has length 788 [2021-05-06 09:54:50,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:54:50,071 INFO L480 AbstractCegarLoop]: Abstraction has 794 states and 881 transitions. [2021-05-06 09:54:50,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 6.820224719101123) internal successors, (607), 88 states have internal predecessors, (607), 88 states have call successors, (90), 88 states have call predecessors, (90), 86 states have return successors, (88), 86 states have call predecessors, (88), 87 states have call successors, (88) [2021-05-06 09:54:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 881 transitions. [2021-05-06 09:54:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 798 [2021-05-06 09:54:50,076 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:54:50,076 INFO L523 BasicCegarLoop]: trace histogram [87, 87, 86, 86, 86, 86, 86, 86, 86, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:54:50,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,89 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:54:50,285 INFO L428 AbstractCegarLoop]: === Iteration 90 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:54:50,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:54:50,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1130828280, now seen corresponding path program 86 times [2021-05-06 09:54:50,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:54:50,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147071893] [2021-05-06 09:54:50,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:54:50,291 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:54:50,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [10696163] [2021-05-06 09:54:50,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:54:50,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:54:50,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:54:50,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 2105 conjuncts, 177 conjunts are in the unsatisfiable core [2021-05-06 09:54:50,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:54:50,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:50,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:51,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:52,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:53,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:54,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:54,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:54,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:54,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:54,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:54,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:54,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:54,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 33243 backedges. 172 proven. 33067 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:54:54,189 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:54:54,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147071893] [2021-05-06 09:54:54,189 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:54:54,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10696163] [2021-05-06 09:54:54,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10696163] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:54:54,190 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:54:54,190 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2021-05-06 09:54:54,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186684577] [2021-05-06 09:54:54,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 90 states [2021-05-06 09:54:54,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:54:54,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-05-06 09:54:54,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3918, Invalid=4092, Unknown=0, NotChecked=0, Total=8010 [2021-05-06 09:54:54,191 INFO L87 Difference]: Start difference. First operand 794 states and 881 transitions. Second operand has 90 states, 90 states have (on average 6.822222222222222) internal successors, (614), 89 states have internal predecessors, (614), 89 states have call successors, (91), 89 states have call predecessors, (91), 87 states have return successors, (89), 87 states have call predecessors, (89), 88 states have call successors, (89) [2021-05-06 09:54:57,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:54:57,926 INFO L93 Difference]: Finished difference Result 803 states and 891 transitions. [2021-05-06 09:54:57,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-05-06 09:54:57,926 INFO L78 Accepts]: Start accepts. Automaton has has 90 states, 90 states have (on average 6.822222222222222) internal successors, (614), 89 states have internal predecessors, (614), 89 states have call successors, (91), 89 states have call predecessors, (91), 87 states have return successors, (89), 87 states have call predecessors, (89), 88 states have call successors, (89) Word has length 797 [2021-05-06 09:54:57,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:54:57,928 INFO L225 Difference]: With dead ends: 803 [2021-05-06 09:54:57,928 INFO L226 Difference]: Without dead ends: 803 [2021-05-06 09:54:57,929 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 882 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3741 ImplicationChecksByTransitivity, 5549.7ms TimeCoverageRelationStatistics Valid=11572, Invalid=19228, Unknown=0, NotChecked=0, Total=30800 [2021-05-06 09:54:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2021-05-06 09:54:57,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 803. [2021-05-06 09:54:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 621 states have (on average 1.14170692431562) internal successors, (709), 621 states have internal predecessors, (709), 92 states have call successors, (92), 91 states have call predecessors, (92), 89 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2021-05-06 09:54:57,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 891 transitions. [2021-05-06 09:54:57,934 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 891 transitions. Word has length 797 [2021-05-06 09:54:57,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:54:57,935 INFO L480 AbstractCegarLoop]: Abstraction has 803 states and 891 transitions. [2021-05-06 09:54:57,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 90 states, 90 states have (on average 6.822222222222222) internal successors, (614), 89 states have internal predecessors, (614), 89 states have call successors, (91), 89 states have call predecessors, (91), 87 states have return successors, (89), 87 states have call predecessors, (89), 88 states have call successors, (89) [2021-05-06 09:54:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 891 transitions. [2021-05-06 09:54:57,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807 [2021-05-06 09:54:57,939 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:54:57,940 INFO L523 BasicCegarLoop]: trace histogram [88, 88, 87, 87, 87, 87, 87, 87, 87, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:54:58,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,90 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:54:58,140 INFO L428 AbstractCegarLoop]: === Iteration 91 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:54:58,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:54:58,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1808377213, now seen corresponding path program 87 times [2021-05-06 09:54:58,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:54:58,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971452819] [2021-05-06 09:54:58,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:54:58,147 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:54:58,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1492330174] [2021-05-06 09:54:58,147 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:54:58,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 88 check-sat command(s) [2021-05-06 09:54:58,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:54:58,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 2128 conjuncts, 179 conjunts are in the unsatisfiable core [2021-05-06 09:54:58,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:54:58,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:58,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:58,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:58,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:58,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:58,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:58,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:58,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:58,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:54:59,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:00,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:01,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 34021 backedges. 174 proven. 33843 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:55:02,696 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:55:02,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971452819] [2021-05-06 09:55:02,696 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:55:02,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492330174] [2021-05-06 09:55:02,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492330174] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:55:02,696 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:55:02,696 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2021-05-06 09:55:02,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160066381] [2021-05-06 09:55:02,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 91 states [2021-05-06 09:55:02,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:55:02,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-05-06 09:55:02,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4007, Invalid=4183, Unknown=0, NotChecked=0, Total=8190 [2021-05-06 09:55:02,698 INFO L87 Difference]: Start difference. First operand 803 states and 891 transitions. Second operand has 91 states, 91 states have (on average 6.824175824175824) internal successors, (621), 90 states have internal predecessors, (621), 90 states have call successors, (92), 90 states have call predecessors, (92), 88 states have return successors, (90), 88 states have call predecessors, (90), 89 states have call successors, (90) [2021-05-06 09:55:06,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:55:06,559 INFO L93 Difference]: Finished difference Result 812 states and 901 transitions. [2021-05-06 09:55:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2021-05-06 09:55:06,560 INFO L78 Accepts]: Start accepts. Automaton has has 91 states, 91 states have (on average 6.824175824175824) internal successors, (621), 90 states have internal predecessors, (621), 90 states have call successors, (92), 90 states have call predecessors, (92), 88 states have return successors, (90), 88 states have call predecessors, (90), 89 states have call successors, (90) Word has length 806 [2021-05-06 09:55:06,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:55:06,562 INFO L225 Difference]: With dead ends: 812 [2021-05-06 09:55:06,562 INFO L226 Difference]: Without dead ends: 812 [2021-05-06 09:55:06,564 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 892 GetRequests, 716 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3828 ImplicationChecksByTransitivity, 5703.3ms TimeCoverageRelationStatistics Valid=11837, Invalid=19669, Unknown=0, NotChecked=0, Total=31506 [2021-05-06 09:55:06,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2021-05-06 09:55:06,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 812. [2021-05-06 09:55:06,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 628 states have (on average 1.14171974522293) internal successors, (717), 628 states have internal predecessors, (717), 93 states have call successors, (93), 92 states have call predecessors, (93), 90 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2021-05-06 09:55:06,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 901 transitions. [2021-05-06 09:55:06,570 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 901 transitions. Word has length 806 [2021-05-06 09:55:06,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:55:06,571 INFO L480 AbstractCegarLoop]: Abstraction has 812 states and 901 transitions. [2021-05-06 09:55:06,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 91 states, 91 states have (on average 6.824175824175824) internal successors, (621), 90 states have internal predecessors, (621), 90 states have call successors, (92), 90 states have call predecessors, (92), 88 states have return successors, (90), 88 states have call predecessors, (90), 89 states have call successors, (90) [2021-05-06 09:55:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 901 transitions. [2021-05-06 09:55:06,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2021-05-06 09:55:06,576 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:55:06,576 INFO L523 BasicCegarLoop]: trace histogram [89, 89, 88, 88, 88, 88, 88, 88, 88, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:55:06,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,91 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:55:06,777 INFO L428 AbstractCegarLoop]: === Iteration 92 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:55:06,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:55:06,777 INFO L82 PathProgramCache]: Analyzing trace with hash 133725784, now seen corresponding path program 88 times [2021-05-06 09:55:06,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:55:06,777 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841113837] [2021-05-06 09:55:06,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:55:06,784 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:55:06,784 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2135480148] [2021-05-06 09:55:06,784 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:55:07,135 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:55:07,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:55:07,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 2151 conjuncts, 181 conjunts are in the unsatisfiable core [2021-05-06 09:55:07,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:55:07,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:07,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:08,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:09,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:10,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:11,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:11,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 34808 backedges. 176 proven. 34628 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:55:11,055 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:55:11,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841113837] [2021-05-06 09:55:11,056 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:55:11,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135480148] [2021-05-06 09:55:11,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135480148] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:55:11,056 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:55:11,056 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2021-05-06 09:55:11,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941217190] [2021-05-06 09:55:11,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 92 states [2021-05-06 09:55:11,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:55:11,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-05-06 09:55:11,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4097, Invalid=4275, Unknown=0, NotChecked=0, Total=8372 [2021-05-06 09:55:11,058 INFO L87 Difference]: Start difference. First operand 812 states and 901 transitions. Second operand has 92 states, 92 states have (on average 6.826086956521739) internal successors, (628), 91 states have internal predecessors, (628), 91 states have call successors, (93), 91 states have call predecessors, (93), 89 states have return successors, (91), 89 states have call predecessors, (91), 90 states have call successors, (91) [2021-05-06 09:55:14,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:55:14,981 INFO L93 Difference]: Finished difference Result 821 states and 911 transitions. [2021-05-06 09:55:14,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2021-05-06 09:55:14,982 INFO L78 Accepts]: Start accepts. Automaton has has 92 states, 92 states have (on average 6.826086956521739) internal successors, (628), 91 states have internal predecessors, (628), 91 states have call successors, (93), 91 states have call predecessors, (93), 89 states have return successors, (91), 89 states have call predecessors, (91), 90 states have call successors, (91) Word has length 815 [2021-05-06 09:55:14,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:55:14,983 INFO L225 Difference]: With dead ends: 821 [2021-05-06 09:55:14,983 INFO L226 Difference]: Without dead ends: 821 [2021-05-06 09:55:14,985 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 902 GetRequests, 724 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3916 ImplicationChecksByTransitivity, 5899.4ms TimeCoverageRelationStatistics Valid=12105, Invalid=20115, Unknown=0, NotChecked=0, Total=32220 [2021-05-06 09:55:14,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2021-05-06 09:55:14,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2021-05-06 09:55:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 635 states have (on average 1.141732283464567) internal successors, (725), 635 states have internal predecessors, (725), 94 states have call successors, (94), 93 states have call predecessors, (94), 91 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2021-05-06 09:55:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 911 transitions. [2021-05-06 09:55:14,990 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 911 transitions. Word has length 815 [2021-05-06 09:55:14,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:55:14,990 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 911 transitions. [2021-05-06 09:55:14,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 92 states, 92 states have (on average 6.826086956521739) internal successors, (628), 91 states have internal predecessors, (628), 91 states have call successors, (93), 91 states have call predecessors, (93), 89 states have return successors, (91), 89 states have call predecessors, (91), 90 states have call successors, (91) [2021-05-06 09:55:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 911 transitions. [2021-05-06 09:55:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2021-05-06 09:55:14,995 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:55:14,995 INFO L523 BasicCegarLoop]: trace histogram [90, 90, 89, 89, 89, 89, 89, 89, 89, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:55:15,196 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,92 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:55:15,196 INFO L428 AbstractCegarLoop]: === Iteration 93 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:55:15,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:55:15,197 INFO L82 PathProgramCache]: Analyzing trace with hash -100083165, now seen corresponding path program 89 times [2021-05-06 09:55:15,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:55:15,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952067333] [2021-05-06 09:55:15,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:55:15,203 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:55:15,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1772131107] [2021-05-06 09:55:15,204 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:55:16,591 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 90 check-sat command(s) [2021-05-06 09:55:16,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:55:16,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 2174 conjuncts, 183 conjunts are in the unsatisfiable core [2021-05-06 09:55:16,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:55:16,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:16,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:17,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:18,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:19,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 35604 backedges. 178 proven. 35422 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:55:20,508 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:55:20,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952067333] [2021-05-06 09:55:20,508 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:55:20,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772131107] [2021-05-06 09:55:20,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772131107] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:55:20,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:55:20,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2021-05-06 09:55:20,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830053235] [2021-05-06 09:55:20,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 93 states [2021-05-06 09:55:20,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:55:20,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-05-06 09:55:20,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4188, Invalid=4368, Unknown=0, NotChecked=0, Total=8556 [2021-05-06 09:55:20,510 INFO L87 Difference]: Start difference. First operand 821 states and 911 transitions. Second operand has 93 states, 93 states have (on average 6.827956989247312) internal successors, (635), 92 states have internal predecessors, (635), 92 states have call successors, (94), 92 states have call predecessors, (94), 90 states have return successors, (92), 90 states have call predecessors, (92), 91 states have call successors, (92) [2021-05-06 09:55:24,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:55:24,470 INFO L93 Difference]: Finished difference Result 830 states and 921 transitions. [2021-05-06 09:55:24,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-05-06 09:55:24,470 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 93 states have (on average 6.827956989247312) internal successors, (635), 92 states have internal predecessors, (635), 92 states have call successors, (94), 92 states have call predecessors, (94), 90 states have return successors, (92), 90 states have call predecessors, (92), 91 states have call successors, (92) Word has length 824 [2021-05-06 09:55:24,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:55:24,472 INFO L225 Difference]: With dead ends: 830 [2021-05-06 09:55:24,472 INFO L226 Difference]: Without dead ends: 830 [2021-05-06 09:55:24,473 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 912 GetRequests, 732 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4005 ImplicationChecksByTransitivity, 5941.1ms TimeCoverageRelationStatistics Valid=12376, Invalid=20566, Unknown=0, NotChecked=0, Total=32942 [2021-05-06 09:55:24,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2021-05-06 09:55:24,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830. [2021-05-06 09:55:24,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 642 states have (on average 1.1417445482866044) internal successors, (733), 642 states have internal predecessors, (733), 95 states have call successors, (95), 94 states have call predecessors, (95), 92 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2021-05-06 09:55:24,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 921 transitions. [2021-05-06 09:55:24,479 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 921 transitions. Word has length 824 [2021-05-06 09:55:24,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:55:24,479 INFO L480 AbstractCegarLoop]: Abstraction has 830 states and 921 transitions. [2021-05-06 09:55:24,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 93 states, 93 states have (on average 6.827956989247312) internal successors, (635), 92 states have internal predecessors, (635), 92 states have call successors, (94), 92 states have call predecessors, (94), 90 states have return successors, (92), 90 states have call predecessors, (92), 91 states have call successors, (92) [2021-05-06 09:55:24,480 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 921 transitions. [2021-05-06 09:55:24,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2021-05-06 09:55:24,484 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:55:24,484 INFO L523 BasicCegarLoop]: trace histogram [91, 91, 90, 90, 90, 90, 90, 90, 90, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:55:24,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,93 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:55:24,685 INFO L428 AbstractCegarLoop]: === Iteration 94 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:55:24,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:55:24,685 INFO L82 PathProgramCache]: Analyzing trace with hash 728470200, now seen corresponding path program 90 times [2021-05-06 09:55:24,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:55:24,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223525657] [2021-05-06 09:55:24,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:55:24,692 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:55:24,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [685408425] [2021-05-06 09:55:24,693 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:55:25,686 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 91 check-sat command(s) [2021-05-06 09:55:25,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:55:25,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 2197 conjuncts, 185 conjunts are in the unsatisfiable core [2021-05-06 09:55:25,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:55:25,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:25,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:26,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:27,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:28,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 36409 backedges. 180 proven. 36225 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:55:29,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:55:29,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223525657] [2021-05-06 09:55:29,679 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:55:29,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685408425] [2021-05-06 09:55:29,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685408425] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:55:29,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:55:29,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2021-05-06 09:55:29,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148185039] [2021-05-06 09:55:29,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 94 states [2021-05-06 09:55:29,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:55:29,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2021-05-06 09:55:29,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4280, Invalid=4462, Unknown=0, NotChecked=0, Total=8742 [2021-05-06 09:55:29,681 INFO L87 Difference]: Start difference. First operand 830 states and 921 transitions. Second operand has 94 states, 94 states have (on average 6.829787234042553) internal successors, (642), 93 states have internal predecessors, (642), 93 states have call successors, (95), 93 states have call predecessors, (95), 91 states have return successors, (93), 91 states have call predecessors, (93), 92 states have call successors, (93) [2021-05-06 09:55:33,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:55:33,738 INFO L93 Difference]: Finished difference Result 839 states and 931 transitions. [2021-05-06 09:55:33,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2021-05-06 09:55:33,738 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 94 states have (on average 6.829787234042553) internal successors, (642), 93 states have internal predecessors, (642), 93 states have call successors, (95), 93 states have call predecessors, (95), 91 states have return successors, (93), 91 states have call predecessors, (93), 92 states have call successors, (93) Word has length 833 [2021-05-06 09:55:33,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:55:33,740 INFO L225 Difference]: With dead ends: 839 [2021-05-06 09:55:33,740 INFO L226 Difference]: Without dead ends: 839 [2021-05-06 09:55:33,741 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 740 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4095 ImplicationChecksByTransitivity, 6089.7ms TimeCoverageRelationStatistics Valid=12650, Invalid=21022, Unknown=0, NotChecked=0, Total=33672 [2021-05-06 09:55:33,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2021-05-06 09:55:33,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 839. [2021-05-06 09:55:33,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 649 states have (on average 1.1417565485362096) internal successors, (741), 649 states have internal predecessors, (741), 96 states have call successors, (96), 95 states have call predecessors, (96), 93 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2021-05-06 09:55:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 931 transitions. [2021-05-06 09:55:33,747 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 931 transitions. Word has length 833 [2021-05-06 09:55:33,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:55:33,747 INFO L480 AbstractCegarLoop]: Abstraction has 839 states and 931 transitions. [2021-05-06 09:55:33,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 94 states, 94 states have (on average 6.829787234042553) internal successors, (642), 93 states have internal predecessors, (642), 93 states have call successors, (95), 93 states have call predecessors, (95), 91 states have return successors, (93), 91 states have call predecessors, (93), 92 states have call successors, (93) [2021-05-06 09:55:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 931 transitions. [2021-05-06 09:55:33,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2021-05-06 09:55:33,753 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:55:33,753 INFO L523 BasicCegarLoop]: trace histogram [92, 92, 91, 91, 91, 91, 91, 91, 91, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:55:33,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,94 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:55:33,953 INFO L428 AbstractCegarLoop]: === Iteration 95 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:55:33,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:55:33,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1616294339, now seen corresponding path program 91 times [2021-05-06 09:55:33,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:55:33,954 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828651097] [2021-05-06 09:55:33,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:55:33,961 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:55:33,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [372867008] [2021-05-06 09:55:33,961 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:55:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:55:34,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 2220 conjuncts, 187 conjunts are in the unsatisfiable core [2021-05-06 09:55:34,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:55:34,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:34,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:35,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:36,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:37,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:38,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:38,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:38,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:38,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:38,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:38,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:38,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:38,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:38,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:38,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:38,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 37223 backedges. 182 proven. 37037 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:55:38,273 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:55:38,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828651097] [2021-05-06 09:55:38,273 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:55:38,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372867008] [2021-05-06 09:55:38,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372867008] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:55:38,273 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:55:38,274 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2021-05-06 09:55:38,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582428049] [2021-05-06 09:55:38,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 95 states [2021-05-06 09:55:38,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:55:38,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2021-05-06 09:55:38,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4373, Invalid=4557, Unknown=0, NotChecked=0, Total=8930 [2021-05-06 09:55:38,275 INFO L87 Difference]: Start difference. First operand 839 states and 931 transitions. Second operand has 95 states, 95 states have (on average 6.831578947368421) internal successors, (649), 94 states have internal predecessors, (649), 94 states have call successors, (96), 94 states have call predecessors, (96), 92 states have return successors, (94), 92 states have call predecessors, (94), 93 states have call successors, (94) [2021-05-06 09:55:42,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:55:42,421 INFO L93 Difference]: Finished difference Result 848 states and 941 transitions. [2021-05-06 09:55:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-05-06 09:55:42,421 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 6.831578947368421) internal successors, (649), 94 states have internal predecessors, (649), 94 states have call successors, (96), 94 states have call predecessors, (96), 92 states have return successors, (94), 92 states have call predecessors, (94), 93 states have call successors, (94) Word has length 842 [2021-05-06 09:55:42,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:55:42,423 INFO L225 Difference]: With dead ends: 848 [2021-05-06 09:55:42,423 INFO L226 Difference]: Without dead ends: 848 [2021-05-06 09:55:42,424 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 932 GetRequests, 748 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4186 ImplicationChecksByTransitivity, 6221.3ms TimeCoverageRelationStatistics Valid=12927, Invalid=21483, Unknown=0, NotChecked=0, Total=34410 [2021-05-06 09:55:42,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2021-05-06 09:55:42,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 848. [2021-05-06 09:55:42,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 656 states have (on average 1.141768292682927) internal successors, (749), 656 states have internal predecessors, (749), 97 states have call successors, (97), 96 states have call predecessors, (97), 94 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2021-05-06 09:55:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 941 transitions. [2021-05-06 09:55:42,431 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 941 transitions. Word has length 842 [2021-05-06 09:55:42,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:55:42,431 INFO L480 AbstractCegarLoop]: Abstraction has 848 states and 941 transitions. [2021-05-06 09:55:42,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 95 states, 95 states have (on average 6.831578947368421) internal successors, (649), 94 states have internal predecessors, (649), 94 states have call successors, (96), 94 states have call predecessors, (96), 92 states have return successors, (94), 92 states have call predecessors, (94), 93 states have call successors, (94) [2021-05-06 09:55:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 941 transitions. [2021-05-06 09:55:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2021-05-06 09:55:42,438 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:55:42,438 INFO L523 BasicCegarLoop]: trace histogram [93, 93, 92, 92, 92, 92, 92, 92, 92, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:55:42,638 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,95 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:55:42,639 INFO L428 AbstractCegarLoop]: === Iteration 96 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:55:42,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:55:42,639 INFO L82 PathProgramCache]: Analyzing trace with hash -408531176, now seen corresponding path program 92 times [2021-05-06 09:55:42,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:55:42,639 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062287909] [2021-05-06 09:55:42,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:55:42,646 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:55:42,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079572373] [2021-05-06 09:55:42,646 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:55:42,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:55:42,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:55:42,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 189 conjunts are in the unsatisfiable core [2021-05-06 09:55:42,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:55:42,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:42,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:43,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:44,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:45,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 38046 backedges. 184 proven. 37858 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:55:46,999 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:55:46,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062287909] [2021-05-06 09:55:46,999 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:55:46,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079572373] [2021-05-06 09:55:46,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079572373] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:55:46,999 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:55:46,999 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2021-05-06 09:55:46,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477089097] [2021-05-06 09:55:47,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 96 states [2021-05-06 09:55:47,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:55:47,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2021-05-06 09:55:47,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4467, Invalid=4653, Unknown=0, NotChecked=0, Total=9120 [2021-05-06 09:55:47,001 INFO L87 Difference]: Start difference. First operand 848 states and 941 transitions. Second operand has 96 states, 96 states have (on average 6.833333333333333) internal successors, (656), 95 states have internal predecessors, (656), 95 states have call successors, (97), 95 states have call predecessors, (97), 93 states have return successors, (95), 93 states have call predecessors, (95), 94 states have call successors, (95) [2021-05-06 09:55:51,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:55:51,244 INFO L93 Difference]: Finished difference Result 857 states and 951 transitions. [2021-05-06 09:55:51,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-05-06 09:55:51,244 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 96 states have (on average 6.833333333333333) internal successors, (656), 95 states have internal predecessors, (656), 95 states have call successors, (97), 95 states have call predecessors, (97), 93 states have return successors, (95), 93 states have call predecessors, (95), 94 states have call successors, (95) Word has length 851 [2021-05-06 09:55:51,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:55:51,246 INFO L225 Difference]: With dead ends: 857 [2021-05-06 09:55:51,246 INFO L226 Difference]: Without dead ends: 857 [2021-05-06 09:55:51,247 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 942 GetRequests, 756 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4278 ImplicationChecksByTransitivity, 6345.9ms TimeCoverageRelationStatistics Valid=13207, Invalid=21949, Unknown=0, NotChecked=0, Total=35156 [2021-05-06 09:55:51,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2021-05-06 09:55:51,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 857. [2021-05-06 09:55:51,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 663 states have (on average 1.1417797888386123) internal successors, (757), 663 states have internal predecessors, (757), 98 states have call successors, (98), 97 states have call predecessors, (98), 95 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2021-05-06 09:55:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 951 transitions. [2021-05-06 09:55:51,253 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 951 transitions. Word has length 851 [2021-05-06 09:55:51,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:55:51,254 INFO L480 AbstractCegarLoop]: Abstraction has 857 states and 951 transitions. [2021-05-06 09:55:51,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 96 states, 96 states have (on average 6.833333333333333) internal successors, (656), 95 states have internal predecessors, (656), 95 states have call successors, (97), 95 states have call predecessors, (97), 93 states have return successors, (95), 93 states have call predecessors, (95), 94 states have call successors, (95) [2021-05-06 09:55:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 951 transitions. [2021-05-06 09:55:51,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2021-05-06 09:55:51,259 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:55:51,259 INFO L523 BasicCegarLoop]: trace histogram [94, 94, 93, 93, 93, 93, 93, 93, 93, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:55:51,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,96 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:55:51,460 INFO L428 AbstractCegarLoop]: === Iteration 97 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:55:51,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:55:51,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1341776227, now seen corresponding path program 93 times [2021-05-06 09:55:51,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:55:51,460 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033924540] [2021-05-06 09:55:51,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:55:51,469 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:55:51,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1126553784] [2021-05-06 09:55:51,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:55:52,265 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 94 check-sat command(s) [2021-05-06 09:55:52,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:55:52,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 191 conjunts are in the unsatisfiable core [2021-05-06 09:55:52,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:55:52,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:52,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:53,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:54,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:55,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:55:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 38878 backedges. 186 proven. 38688 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:55:56,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:55:56,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033924540] [2021-05-06 09:55:56,432 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:55:56,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126553784] [2021-05-06 09:55:56,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126553784] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:55:56,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:55:56,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2021-05-06 09:55:56,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231131892] [2021-05-06 09:55:56,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-05-06 09:55:56,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:55:56,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-05-06 09:55:56,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4562, Invalid=4750, Unknown=0, NotChecked=0, Total=9312 [2021-05-06 09:55:56,434 INFO L87 Difference]: Start difference. First operand 857 states and 951 transitions. Second operand has 97 states, 97 states have (on average 6.835051546391752) internal successors, (663), 96 states have internal predecessors, (663), 96 states have call successors, (98), 96 states have call predecessors, (98), 94 states have return successors, (96), 94 states have call predecessors, (96), 95 states have call successors, (96) [2021-05-06 09:56:00,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:56:00,738 INFO L93 Difference]: Finished difference Result 866 states and 961 transitions. [2021-05-06 09:56:00,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2021-05-06 09:56:00,738 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 6.835051546391752) internal successors, (663), 96 states have internal predecessors, (663), 96 states have call successors, (98), 96 states have call predecessors, (98), 94 states have return successors, (96), 94 states have call predecessors, (96), 95 states have call successors, (96) Word has length 860 [2021-05-06 09:56:00,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:56:00,740 INFO L225 Difference]: With dead ends: 866 [2021-05-06 09:56:00,740 INFO L226 Difference]: Without dead ends: 866 [2021-05-06 09:56:00,742 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 952 GetRequests, 764 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4371 ImplicationChecksByTransitivity, 6475.3ms TimeCoverageRelationStatistics Valid=13490, Invalid=22420, Unknown=0, NotChecked=0, Total=35910 [2021-05-06 09:56:00,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2021-05-06 09:56:00,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2021-05-06 09:56:00,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 670 states have (on average 1.1417910447761195) internal successors, (765), 670 states have internal predecessors, (765), 99 states have call successors, (99), 98 states have call predecessors, (99), 96 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2021-05-06 09:56:00,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 961 transitions. [2021-05-06 09:56:00,749 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 961 transitions. Word has length 860 [2021-05-06 09:56:00,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:56:00,750 INFO L480 AbstractCegarLoop]: Abstraction has 866 states and 961 transitions. [2021-05-06 09:56:00,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 97 states, 97 states have (on average 6.835051546391752) internal successors, (663), 96 states have internal predecessors, (663), 96 states have call successors, (98), 96 states have call predecessors, (98), 94 states have return successors, (96), 94 states have call predecessors, (96), 95 states have call successors, (96) [2021-05-06 09:56:00,750 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 961 transitions. [2021-05-06 09:56:00,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2021-05-06 09:56:00,756 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:56:00,756 INFO L523 BasicCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 94, 94, 94, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:56:00,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2021-05-06 09:56:00,972 INFO L428 AbstractCegarLoop]: === Iteration 98 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:56:00,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:56:00,972 INFO L82 PathProgramCache]: Analyzing trace with hash 151958392, now seen corresponding path program 94 times [2021-05-06 09:56:00,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:56:00,972 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91328697] [2021-05-06 09:56:00,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:56:00,979 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:56:00,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1046726399] [2021-05-06 09:56:00,979 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:56:01,307 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:56:01,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:56:01,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 193 conjunts are in the unsatisfiable core [2021-05-06 09:56:01,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:56:01,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:01,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:02,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:03,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:04,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:05,585 INFO L134 CoverageAnalysis]: Checked inductivity of 39719 backedges. 188 proven. 39527 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:56:05,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:56:05,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91328697] [2021-05-06 09:56:05,585 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:56:05,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046726399] [2021-05-06 09:56:05,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046726399] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:56:05,585 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:56:05,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2021-05-06 09:56:05,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186034567] [2021-05-06 09:56:05,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 98 states [2021-05-06 09:56:05,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:56:05,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2021-05-06 09:56:05,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4658, Invalid=4848, Unknown=0, NotChecked=0, Total=9506 [2021-05-06 09:56:05,587 INFO L87 Difference]: Start difference. First operand 866 states and 961 transitions. Second operand has 98 states, 98 states have (on average 6.836734693877551) internal successors, (670), 97 states have internal predecessors, (670), 97 states have call successors, (99), 97 states have call predecessors, (99), 95 states have return successors, (97), 95 states have call predecessors, (97), 96 states have call successors, (97) [2021-05-06 09:56:09,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:56:09,965 INFO L93 Difference]: Finished difference Result 875 states and 971 transitions. [2021-05-06 09:56:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-05-06 09:56:09,966 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 98 states have (on average 6.836734693877551) internal successors, (670), 97 states have internal predecessors, (670), 97 states have call successors, (99), 97 states have call predecessors, (99), 95 states have return successors, (97), 95 states have call predecessors, (97), 96 states have call successors, (97) Word has length 869 [2021-05-06 09:56:09,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:56:09,967 INFO L225 Difference]: With dead ends: 875 [2021-05-06 09:56:09,967 INFO L226 Difference]: Without dead ends: 875 [2021-05-06 09:56:09,969 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 772 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4465 ImplicationChecksByTransitivity, 6636.1ms TimeCoverageRelationStatistics Valid=13776, Invalid=22896, Unknown=0, NotChecked=0, Total=36672 [2021-05-06 09:56:09,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2021-05-06 09:56:09,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 875. [2021-05-06 09:56:09,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 677 states have (on average 1.1418020679468242) internal successors, (773), 677 states have internal predecessors, (773), 100 states have call successors, (100), 99 states have call predecessors, (100), 97 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2021-05-06 09:56:09,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 971 transitions. [2021-05-06 09:56:09,974 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 971 transitions. Word has length 869 [2021-05-06 09:56:09,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:56:09,975 INFO L480 AbstractCegarLoop]: Abstraction has 875 states and 971 transitions. [2021-05-06 09:56:09,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 98 states, 98 states have (on average 6.836734693877551) internal successors, (670), 97 states have internal predecessors, (670), 97 states have call successors, (99), 97 states have call predecessors, (99), 95 states have return successors, (97), 95 states have call predecessors, (97), 96 states have call successors, (97) [2021-05-06 09:56:09,975 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 971 transitions. [2021-05-06 09:56:09,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2021-05-06 09:56:09,980 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:56:09,980 INFO L523 BasicCegarLoop]: trace histogram [96, 96, 95, 95, 95, 95, 95, 95, 95, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:56:10,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,98 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:56:10,181 INFO L428 AbstractCegarLoop]: === Iteration 99 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:56:10,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:56:10,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1890817789, now seen corresponding path program 95 times [2021-05-06 09:56:10,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:56:10,181 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052493771] [2021-05-06 09:56:10,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:56:10,189 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:56:10,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1328935421] [2021-05-06 09:56:10,189 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:56:11,414 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 96 check-sat command(s) [2021-05-06 09:56:11,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:56:11,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 2312 conjuncts, 195 conjunts are in the unsatisfiable core [2021-05-06 09:56:11,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:56:11,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:11,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:12,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:13,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:14,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:15,728 INFO L134 CoverageAnalysis]: Checked inductivity of 40569 backedges. 190 proven. 40375 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:56:15,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:56:15,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052493771] [2021-05-06 09:56:15,728 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:56:15,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328935421] [2021-05-06 09:56:15,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328935421] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:56:15,728 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:56:15,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2021-05-06 09:56:15,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707250763] [2021-05-06 09:56:15,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 99 states [2021-05-06 09:56:15,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:56:15,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2021-05-06 09:56:15,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4755, Invalid=4947, Unknown=0, NotChecked=0, Total=9702 [2021-05-06 09:56:15,730 INFO L87 Difference]: Start difference. First operand 875 states and 971 transitions. Second operand has 99 states, 99 states have (on average 6.838383838383838) internal successors, (677), 98 states have internal predecessors, (677), 98 states have call successors, (100), 98 states have call predecessors, (100), 96 states have return successors, (98), 96 states have call predecessors, (98), 97 states have call successors, (98) [2021-05-06 09:56:20,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:56:20,278 INFO L93 Difference]: Finished difference Result 884 states and 981 transitions. [2021-05-06 09:56:20,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2021-05-06 09:56:20,279 INFO L78 Accepts]: Start accepts. Automaton has has 99 states, 99 states have (on average 6.838383838383838) internal successors, (677), 98 states have internal predecessors, (677), 98 states have call successors, (100), 98 states have call predecessors, (100), 96 states have return successors, (98), 96 states have call predecessors, (98), 97 states have call successors, (98) Word has length 878 [2021-05-06 09:56:20,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:56:20,280 INFO L225 Difference]: With dead ends: 884 [2021-05-06 09:56:20,280 INFO L226 Difference]: Without dead ends: 884 [2021-05-06 09:56:20,282 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 972 GetRequests, 780 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4560 ImplicationChecksByTransitivity, 6761.7ms TimeCoverageRelationStatistics Valid=14065, Invalid=23377, Unknown=0, NotChecked=0, Total=37442 [2021-05-06 09:56:20,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2021-05-06 09:56:20,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 884. [2021-05-06 09:56:20,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 684 states have (on average 1.141812865497076) internal successors, (781), 684 states have internal predecessors, (781), 101 states have call successors, (101), 100 states have call predecessors, (101), 98 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2021-05-06 09:56:20,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 981 transitions. [2021-05-06 09:56:20,287 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 981 transitions. Word has length 878 [2021-05-06 09:56:20,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:56:20,288 INFO L480 AbstractCegarLoop]: Abstraction has 884 states and 981 transitions. [2021-05-06 09:56:20,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 99 states, 99 states have (on average 6.838383838383838) internal successors, (677), 98 states have internal predecessors, (677), 98 states have call successors, (100), 98 states have call predecessors, (100), 96 states have return successors, (98), 96 states have call predecessors, (98), 97 states have call successors, (98) [2021-05-06 09:56:20,288 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 981 transitions. [2021-05-06 09:56:20,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 888 [2021-05-06 09:56:20,294 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:56:20,294 INFO L523 BasicCegarLoop]: trace histogram [97, 97, 96, 96, 96, 96, 96, 96, 96, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:56:20,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,99 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:56:20,496 INFO L428 AbstractCegarLoop]: === Iteration 100 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:56:20,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:56:20,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1317715928, now seen corresponding path program 96 times [2021-05-06 09:56:20,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:56:20,496 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927498907] [2021-05-06 09:56:20,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:56:20,503 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:56:20,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1920757428] [2021-05-06 09:56:20,503 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:56:21,550 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 97 check-sat command(s) [2021-05-06 09:56:21,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:56:21,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 2335 conjuncts, 197 conjunts are in the unsatisfiable core [2021-05-06 09:56:21,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:56:21,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:21,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:22,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:23,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:24,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 41428 backedges. 192 proven. 41232 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:56:25,989 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:56:25,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927498907] [2021-05-06 09:56:25,989 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:56:25,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920757428] [2021-05-06 09:56:25,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920757428] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:56:25,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:56:25,989 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2021-05-06 09:56:25,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562860566] [2021-05-06 09:56:25,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 100 states [2021-05-06 09:56:25,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:56:25,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2021-05-06 09:56:25,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4853, Invalid=5047, Unknown=0, NotChecked=0, Total=9900 [2021-05-06 09:56:25,992 INFO L87 Difference]: Start difference. First operand 884 states and 981 transitions. Second operand has 100 states, 100 states have (on average 6.84) internal successors, (684), 99 states have internal predecessors, (684), 99 states have call successors, (101), 99 states have call predecessors, (101), 97 states have return successors, (99), 97 states have call predecessors, (99), 98 states have call successors, (99) [2021-05-06 09:56:30,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:56:30,607 INFO L93 Difference]: Finished difference Result 893 states and 991 transitions. [2021-05-06 09:56:30,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2021-05-06 09:56:30,608 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 100 states have (on average 6.84) internal successors, (684), 99 states have internal predecessors, (684), 99 states have call successors, (101), 99 states have call predecessors, (101), 97 states have return successors, (99), 97 states have call predecessors, (99), 98 states have call successors, (99) Word has length 887 [2021-05-06 09:56:30,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:56:30,610 INFO L225 Difference]: With dead ends: 893 [2021-05-06 09:56:30,610 INFO L226 Difference]: Without dead ends: 893 [2021-05-06 09:56:30,611 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 788 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4656 ImplicationChecksByTransitivity, 6887.8ms TimeCoverageRelationStatistics Valid=14357, Invalid=23863, Unknown=0, NotChecked=0, Total=38220 [2021-05-06 09:56:30,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2021-05-06 09:56:30,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 893. [2021-05-06 09:56:30,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 691 states have (on average 1.1418234442836468) internal successors, (789), 691 states have internal predecessors, (789), 102 states have call successors, (102), 101 states have call predecessors, (102), 99 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2021-05-06 09:56:30,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 991 transitions. [2021-05-06 09:56:30,620 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 991 transitions. Word has length 887 [2021-05-06 09:56:30,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:56:30,621 INFO L480 AbstractCegarLoop]: Abstraction has 893 states and 991 transitions. [2021-05-06 09:56:30,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 100 states, 100 states have (on average 6.84) internal successors, (684), 99 states have internal predecessors, (684), 99 states have call successors, (101), 99 states have call predecessors, (101), 97 states have return successors, (99), 97 states have call predecessors, (99), 98 states have call successors, (99) [2021-05-06 09:56:30,621 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 991 transitions. [2021-05-06 09:56:30,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2021-05-06 09:56:30,628 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:56:30,628 INFO L523 BasicCegarLoop]: trace histogram [98, 98, 97, 97, 97, 97, 97, 97, 97, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:56:30,840 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-05-06 09:56:30,841 INFO L428 AbstractCegarLoop]: === Iteration 101 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:56:30,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:56:30,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1037547357, now seen corresponding path program 97 times [2021-05-06 09:56:30,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:56:30,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144623211] [2021-05-06 09:56:30,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:56:30,848 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:56:30,848 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2031646374] [2021-05-06 09:56:30,848 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:56:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 09:56:31,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 199 conjunts are in the unsatisfiable core [2021-05-06 09:56:31,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:56:31,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:31,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:32,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:33,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:34,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 42296 backedges. 194 proven. 42098 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:56:35,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:56:35,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144623211] [2021-05-06 09:56:35,619 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:56:35,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031646374] [2021-05-06 09:56:35,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031646374] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:56:35,619 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:56:35,619 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2021-05-06 09:56:35,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746430800] [2021-05-06 09:56:35,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-05-06 09:56:35,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:56:35,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-05-06 09:56:35,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4952, Invalid=5148, Unknown=0, NotChecked=0, Total=10100 [2021-05-06 09:56:35,622 INFO L87 Difference]: Start difference. First operand 893 states and 991 transitions. Second operand has 101 states, 101 states have (on average 6.841584158415841) internal successors, (691), 100 states have internal predecessors, (691), 100 states have call successors, (102), 100 states have call predecessors, (102), 98 states have return successors, (100), 98 states have call predecessors, (100), 99 states have call successors, (100) [2021-05-06 09:56:40,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:56:40,340 INFO L93 Difference]: Finished difference Result 902 states and 1001 transitions. [2021-05-06 09:56:40,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2021-05-06 09:56:40,341 INFO L78 Accepts]: Start accepts. Automaton has has 101 states, 101 states have (on average 6.841584158415841) internal successors, (691), 100 states have internal predecessors, (691), 100 states have call successors, (102), 100 states have call predecessors, (102), 98 states have return successors, (100), 98 states have call predecessors, (100), 99 states have call successors, (100) Word has length 896 [2021-05-06 09:56:40,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:56:40,342 INFO L225 Difference]: With dead ends: 902 [2021-05-06 09:56:40,343 INFO L226 Difference]: Without dead ends: 902 [2021-05-06 09:56:40,344 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 992 GetRequests, 796 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4753 ImplicationChecksByTransitivity, 7034.5ms TimeCoverageRelationStatistics Valid=14652, Invalid=24354, Unknown=0, NotChecked=0, Total=39006 [2021-05-06 09:56:40,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2021-05-06 09:56:40,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 902. [2021-05-06 09:56:40,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 698 states have (on average 1.1418338108882522) internal successors, (797), 698 states have internal predecessors, (797), 103 states have call successors, (103), 102 states have call predecessors, (103), 100 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2021-05-06 09:56:40,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1001 transitions. [2021-05-06 09:56:40,351 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1001 transitions. Word has length 896 [2021-05-06 09:56:40,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:56:40,351 INFO L480 AbstractCegarLoop]: Abstraction has 902 states and 1001 transitions. [2021-05-06 09:56:40,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 6.841584158415841) internal successors, (691), 100 states have internal predecessors, (691), 100 states have call successors, (102), 100 states have call predecessors, (102), 98 states have return successors, (100), 98 states have call predecessors, (100), 99 states have call successors, (100) [2021-05-06 09:56:40,351 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1001 transitions. [2021-05-06 09:56:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2021-05-06 09:56:40,356 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:56:40,357 INFO L523 BasicCegarLoop]: trace histogram [99, 99, 98, 98, 98, 98, 98, 98, 98, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:56:40,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 101 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-05-06 09:56:40,557 INFO L428 AbstractCegarLoop]: === Iteration 102 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:56:40,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:56:40,557 INFO L82 PathProgramCache]: Analyzing trace with hash -914328520, now seen corresponding path program 98 times [2021-05-06 09:56:40,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:56:40,558 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975085612] [2021-05-06 09:56:40,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:56:40,566 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:56:40,566 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [911387435] [2021-05-06 09:56:40,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:56:40,870 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-06 09:56:40,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:56:40,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 201 conjunts are in the unsatisfiable core [2021-05-06 09:56:40,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:56:40,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:40,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:41,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:42,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:43,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:44,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 43173 backedges. 196 proven. 42973 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:56:45,416 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:56:45,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975085612] [2021-05-06 09:56:45,416 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:56:45,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911387435] [2021-05-06 09:56:45,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911387435] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:56:45,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:56:45,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2021-05-06 09:56:45,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701466901] [2021-05-06 09:56:45,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 102 states [2021-05-06 09:56:45,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:56:45,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2021-05-06 09:56:45,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5052, Invalid=5250, Unknown=0, NotChecked=0, Total=10302 [2021-05-06 09:56:45,418 INFO L87 Difference]: Start difference. First operand 902 states and 1001 transitions. Second operand has 102 states, 102 states have (on average 6.8431372549019605) internal successors, (698), 101 states have internal predecessors, (698), 101 states have call successors, (103), 101 states have call predecessors, (103), 99 states have return successors, (101), 99 states have call predecessors, (101), 100 states have call successors, (101) [2021-05-06 09:56:50,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:56:50,313 INFO L93 Difference]: Finished difference Result 911 states and 1011 transitions. [2021-05-06 09:56:50,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2021-05-06 09:56:50,314 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 102 states have (on average 6.8431372549019605) internal successors, (698), 101 states have internal predecessors, (698), 101 states have call successors, (103), 101 states have call predecessors, (103), 99 states have return successors, (101), 99 states have call predecessors, (101), 100 states have call successors, (101) Word has length 905 [2021-05-06 09:56:50,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:56:50,315 INFO L225 Difference]: With dead ends: 911 [2021-05-06 09:56:50,315 INFO L226 Difference]: Without dead ends: 911 [2021-05-06 09:56:50,317 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 1002 GetRequests, 804 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4851 ImplicationChecksByTransitivity, 7173.9ms TimeCoverageRelationStatistics Valid=14950, Invalid=24850, Unknown=0, NotChecked=0, Total=39800 [2021-05-06 09:56:50,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2021-05-06 09:56:50,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 911. [2021-05-06 09:56:50,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 705 states have (on average 1.1418439716312057) internal successors, (805), 705 states have internal predecessors, (805), 104 states have call successors, (104), 103 states have call predecessors, (104), 101 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2021-05-06 09:56:50,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1011 transitions. [2021-05-06 09:56:50,325 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1011 transitions. Word has length 905 [2021-05-06 09:56:50,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:56:50,325 INFO L480 AbstractCegarLoop]: Abstraction has 911 states and 1011 transitions. [2021-05-06 09:56:50,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 102 states, 102 states have (on average 6.8431372549019605) internal successors, (698), 101 states have internal predecessors, (698), 101 states have call successors, (103), 101 states have call predecessors, (103), 99 states have return successors, (101), 99 states have call predecessors, (101), 100 states have call successors, (101) [2021-05-06 09:56:50,326 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1011 transitions. [2021-05-06 09:56:50,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2021-05-06 09:56:50,332 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:56:50,333 INFO L523 BasicCegarLoop]: trace histogram [100, 100, 99, 99, 99, 99, 99, 99, 99, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:56:50,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-05-06 09:56:50,539 INFO L428 AbstractCegarLoop]: === Iteration 103 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:56:50,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:56:50,539 INFO L82 PathProgramCache]: Analyzing trace with hash 166166595, now seen corresponding path program 99 times [2021-05-06 09:56:50,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:56:50,539 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45174105] [2021-05-06 09:56:50,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:56:50,558 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:56:50,558 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641912255] [2021-05-06 09:56:50,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:56:51,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 100 check-sat command(s) [2021-05-06 09:56:51,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-06 09:56:51,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 2404 conjuncts, 203 conjunts are in the unsatisfiable core [2021-05-06 09:56:51,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-06 09:56:51,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:51,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:52,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:53,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:54,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:55,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:56,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:56,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 09:56:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 44059 backedges. 198 proven. 43857 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-06 09:56:56,096 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 09:56:56,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45174105] [2021-05-06 09:56:56,097 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-06 09:56:56,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641912255] [2021-05-06 09:56:56,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641912255] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-06 09:56:56,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-06 09:56:56,097 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2021-05-06 09:56:56,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271866460] [2021-05-06 09:56:56,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 103 states [2021-05-06 09:56:56,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 09:56:56,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2021-05-06 09:56:56,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5153, Invalid=5353, Unknown=0, NotChecked=0, Total=10506 [2021-05-06 09:56:56,099 INFO L87 Difference]: Start difference. First operand 911 states and 1011 transitions. Second operand has 103 states, 103 states have (on average 6.844660194174757) internal successors, (705), 102 states have internal predecessors, (705), 102 states have call successors, (104), 102 states have call predecessors, (104), 100 states have return successors, (102), 100 states have call predecessors, (102), 101 states have call successors, (102) [2021-05-06 09:57:00,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 09:57:00,998 INFO L93 Difference]: Finished difference Result 920 states and 1021 transitions. [2021-05-06 09:57:00,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2021-05-06 09:57:00,999 INFO L78 Accepts]: Start accepts. Automaton has has 103 states, 103 states have (on average 6.844660194174757) internal successors, (705), 102 states have internal predecessors, (705), 102 states have call successors, (104), 102 states have call predecessors, (104), 100 states have return successors, (102), 100 states have call predecessors, (102), 101 states have call successors, (102) Word has length 914 [2021-05-06 09:57:00,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 09:57:01,000 INFO L225 Difference]: With dead ends: 920 [2021-05-06 09:57:01,000 INFO L226 Difference]: Without dead ends: 920 [2021-05-06 09:57:01,002 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 1012 GetRequests, 812 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4950 ImplicationChecksByTransitivity, 7269.3ms TimeCoverageRelationStatistics Valid=15251, Invalid=25351, Unknown=0, NotChecked=0, Total=40602 [2021-05-06 09:57:01,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2021-05-06 09:57:01,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2021-05-06 09:57:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 712 states have (on average 1.1418539325842696) internal successors, (813), 712 states have internal predecessors, (813), 105 states have call successors, (105), 104 states have call predecessors, (105), 102 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2021-05-06 09:57:01,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1021 transitions. [2021-05-06 09:57:01,007 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1021 transitions. Word has length 914 [2021-05-06 09:57:01,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 09:57:01,008 INFO L480 AbstractCegarLoop]: Abstraction has 920 states and 1021 transitions. [2021-05-06 09:57:01,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 103 states, 103 states have (on average 6.844660194174757) internal successors, (705), 102 states have internal predecessors, (705), 102 states have call successors, (104), 102 states have call predecessors, (104), 100 states have return successors, (102), 100 states have call predecessors, (102), 101 states have call successors, (102) [2021-05-06 09:57:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1021 transitions. [2021-05-06 09:57:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2021-05-06 09:57:01,013 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 09:57:01,013 INFO L523 BasicCegarLoop]: trace histogram [101, 101, 100, 100, 100, 100, 100, 100, 100, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 09:57:01,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 103 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-05-06 09:57:01,214 INFO L428 AbstractCegarLoop]: === Iteration 104 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 09:57:01,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 09:57:01,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1037422744, now seen corresponding path program 100 times [2021-05-06 09:57:01,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 09:57:01,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526101631] [2021-05-06 09:57:01,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 09:57:01,221 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-06 09:57:01,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [353687100] [2021-05-06 09:57:01,221 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-06 09:57:01,577 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-06 09:57:01,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-05-06 09:57:01,578 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-06 09:57:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-06 09:57:01,770 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-06 09:57:03,380 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-06 09:57:03,380 INFO L624 BasicCegarLoop]: Counterexample might be feasible [2021-05-06 09:57:03,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 104 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-05-06 09:57:03,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 09:57:03 BasicIcfg [2021-05-06 09:57:03,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-06 09:57:03,807 INFO L168 Benchmark]: Toolchain (without parser) took 421772.85 ms. Allocated memory was 205.5 MB in the beginning and 629.1 MB in the end (delta: 423.6 MB). Free memory was 171.0 MB in the beginning and 338.6 MB in the end (delta: -167.6 MB). Peak memory consumption was 257.0 MB. Max. memory is 8.0 GB. [2021-05-06 09:57:03,807 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 205.5 MB. Free memory was 187.9 MB in the beginning and 187.8 MB in the end (delta: 97.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-05-06 09:57:03,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.19 ms. Allocated memory is still 205.5 MB. Free memory was 170.8 MB in the beginning and 161.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-05-06 09:57:03,810 INFO L168 Benchmark]: Boogie Preprocessor took 41.62 ms. Allocated memory is still 205.5 MB. Free memory was 161.0 MB in the beginning and 159.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-06 09:57:03,810 INFO L168 Benchmark]: RCFGBuilder took 396.53 ms. Allocated memory is still 205.5 MB. Free memory was 159.5 MB in the beginning and 173.9 MB in the end (delta: -14.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 8.0 GB. [2021-05-06 09:57:03,810 INFO L168 Benchmark]: IcfgTransformer took 24.72 ms. Allocated memory is still 205.5 MB. Free memory was 173.9 MB in the beginning and 172.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-06 09:57:03,813 INFO L168 Benchmark]: TraceAbstraction took 421100.50 ms. Allocated memory was 205.5 MB in the beginning and 629.1 MB in the end (delta: 423.6 MB). Free memory was 172.3 MB in the beginning and 338.6 MB in the end (delta: -166.3 MB). Peak memory consumption was 258.3 MB. Max. memory is 8.0 GB. [2021-05-06 09:57:03,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 205.5 MB. Free memory was 187.9 MB in the beginning and 187.8 MB in the end (delta: 97.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 203.19 ms. Allocated memory is still 205.5 MB. Free memory was 170.8 MB in the beginning and 161.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 41.62 ms. Allocated memory is still 205.5 MB. Free memory was 161.0 MB in the beginning and 159.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 396.53 ms. Allocated memory is still 205.5 MB. Free memory was 159.5 MB in the beginning and 173.9 MB in the end (delta: -14.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 8.0 GB. * IcfgTransformer took 24.72 ms. Allocated memory is still 205.5 MB. Free memory was 173.9 MB in the beginning and 172.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 421100.50 ms. Allocated memory was 205.5 MB in the beginning and 629.1 MB in the end (delta: 423.6 MB). Free memory was 172.3 MB in the beginning and 338.6 MB in the end (delta: -166.3 MB). Peak memory consumption was 258.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; VAL [\old(counter)=107, counter=0] [L24] int x1, x2; [L25] int y1, y2, y3; [L26] x1 = __VERIFIER_nondet_int() [L27] x2 = __VERIFIER_nondet_int() [L29] CALL assume_abort_if_not(x1 >= 0) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L29] RET assume_abort_if_not(x1 >= 0) VAL [\old(counter)=0, counter=0, x1=101, x2=1] [L30] CALL assume_abort_if_not(x2 != 0) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L30] RET assume_abort_if_not(x2 != 0) VAL [\old(counter)=0, counter=0, x1=101, x2=1] [L32] y1 = 0 [L33] y2 = 0 [L34] y3 = x1 VAL [\old(counter)=0, counter=0, x1=101, x2=1, y1=0, y2=0, y3=101] [L36] EXPR counter++ VAL [\old(counter)=0, counter=1, counter++=0, x1=101, x2=1, y1=0, y2=0, y3=101] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=1, x1=101, x2=1, y1=0, y2=0, y3=101] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=1, x1=101, x2=1, y1=0, y2=0, y3=101] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=1, x1=101, x2=1, y1=1, y2=0, y3=100] [L36] EXPR counter++ VAL [\old(counter)=0, counter=2, counter++=1, x1=101, x2=1, y1=1, y2=0, y3=100] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=2] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=2] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=2, x1=101, x2=1, y1=1, y2=0, y3=100] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=2, x1=101, x2=1, y1=1, y2=0, y3=100] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=2, x1=101, x2=1, y1=2, y2=0, y3=99] [L36] EXPR counter++ VAL [\old(counter)=0, counter=3, counter++=2, x1=101, x2=1, y1=2, y2=0, y3=99] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=3] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=3] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=3, x1=101, x2=1, y1=2, y2=0, y3=99] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=3, x1=101, x2=1, y1=2, y2=0, y3=99] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=3, x1=101, x2=1, y1=3, y2=0, y3=98] [L36] EXPR counter++ VAL [\old(counter)=0, counter=4, counter++=3, x1=101, x2=1, y1=3, y2=0, y3=98] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=4] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=4] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=4, x1=101, x2=1, y1=3, y2=0, y3=98] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=4, x1=101, x2=1, y1=3, y2=0, y3=98] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=4, x1=101, x2=1, y1=4, y2=0, y3=97] [L36] EXPR counter++ VAL [\old(counter)=0, counter=5, counter++=4, x1=101, x2=1, y1=4, y2=0, y3=97] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=5] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=5] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=5, x1=101, x2=1, y1=4, y2=0, y3=97] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=5, x1=101, x2=1, y1=4, y2=0, y3=97] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=5, x1=101, x2=1, y1=5, y2=0, y3=96] [L36] EXPR counter++ VAL [\old(counter)=0, counter=6, counter++=5, x1=101, x2=1, y1=5, y2=0, y3=96] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=6] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=6] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=6, x1=101, x2=1, y1=5, y2=0, y3=96] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=6, x1=101, x2=1, y1=5, y2=0, y3=96] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=6, x1=101, x2=1, y1=6, y2=0, y3=95] [L36] EXPR counter++ VAL [\old(counter)=0, counter=7, counter++=6, x1=101, x2=1, y1=6, y2=0, y3=95] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=7] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=7] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=7, x1=101, x2=1, y1=6, y2=0, y3=95] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=7, x1=101, x2=1, y1=6, y2=0, y3=95] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=7, x1=101, x2=1, y1=7, y2=0, y3=94] [L36] EXPR counter++ VAL [\old(counter)=0, counter=8, counter++=7, x1=101, x2=1, y1=7, y2=0, y3=94] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=8] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=8] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=8, x1=101, x2=1, y1=7, y2=0, y3=94] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=8, x1=101, x2=1, y1=7, y2=0, y3=94] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=8, x1=101, x2=1, y1=8, y2=0, y3=93] [L36] EXPR counter++ VAL [\old(counter)=0, counter=9, counter++=8, x1=101, x2=1, y1=8, y2=0, y3=93] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=9] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=9] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=9, x1=101, x2=1, y1=8, y2=0, y3=93] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=9, x1=101, x2=1, y1=8, y2=0, y3=93] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=9, x1=101, x2=1, y1=9, y2=0, y3=92] [L36] EXPR counter++ VAL [\old(counter)=0, counter=10, counter++=9, x1=101, x2=1, y1=9, y2=0, y3=92] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=10] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=10] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=10, x1=101, x2=1, y1=9, y2=0, y3=92] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=10, x1=101, x2=1, y1=9, y2=0, y3=92] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=10, x1=101, x2=1, y1=10, y2=0, y3=91] [L36] EXPR counter++ VAL [\old(counter)=0, counter=11, counter++=10, x1=101, x2=1, y1=10, y2=0, y3=91] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=11] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=11] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=11, x1=101, x2=1, y1=10, y2=0, y3=91] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=11, x1=101, x2=1, y1=10, y2=0, y3=91] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=11, x1=101, x2=1, y1=11, y2=0, y3=90] [L36] EXPR counter++ VAL [\old(counter)=0, counter=12, counter++=11, x1=101, x2=1, y1=11, y2=0, y3=90] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=12] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=12] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=12, x1=101, x2=1, y1=11, y2=0, y3=90] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=12, x1=101, x2=1, y1=11, y2=0, y3=90] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=12, x1=101, x2=1, y1=12, y2=0, y3=89] [L36] EXPR counter++ VAL [\old(counter)=0, counter=13, counter++=12, x1=101, x2=1, y1=12, y2=0, y3=89] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=13] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=13] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=13, x1=101, x2=1, y1=12, y2=0, y3=89] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=13, x1=101, x2=1, y1=12, y2=0, y3=89] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=13, x1=101, x2=1, y1=13, y2=0, y3=88] [L36] EXPR counter++ VAL [\old(counter)=0, counter=14, counter++=13, x1=101, x2=1, y1=13, y2=0, y3=88] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=14] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=14] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=14, x1=101, x2=1, y1=13, y2=0, y3=88] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=14, x1=101, x2=1, y1=13, y2=0, y3=88] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=14, x1=101, x2=1, y1=14, y2=0, y3=87] [L36] EXPR counter++ VAL [\old(counter)=0, counter=15, counter++=14, x1=101, x2=1, y1=14, y2=0, y3=87] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=15] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=15] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=15, x1=101, x2=1, y1=14, y2=0, y3=87] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=15, x1=101, x2=1, y1=14, y2=0, y3=87] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=15, x1=101, x2=1, y1=15, y2=0, y3=86] [L36] EXPR counter++ VAL [\old(counter)=0, counter=16, counter++=15, x1=101, x2=1, y1=15, y2=0, y3=86] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=16] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=16] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=16, x1=101, x2=1, y1=15, y2=0, y3=86] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=16, x1=101, x2=1, y1=15, y2=0, y3=86] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=16, x1=101, x2=1, y1=16, y2=0, y3=85] [L36] EXPR counter++ VAL [\old(counter)=0, counter=17, counter++=16, x1=101, x2=1, y1=16, y2=0, y3=85] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=17] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=17] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=17, x1=101, x2=1, y1=16, y2=0, y3=85] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=17, x1=101, x2=1, y1=16, y2=0, y3=85] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=17, x1=101, x2=1, y1=17, y2=0, y3=84] [L36] EXPR counter++ VAL [\old(counter)=0, counter=18, counter++=17, x1=101, x2=1, y1=17, y2=0, y3=84] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=18] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=18] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=18, x1=101, x2=1, y1=17, y2=0, y3=84] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=18, x1=101, x2=1, y1=17, y2=0, y3=84] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=18, x1=101, x2=1, y1=18, y2=0, y3=83] [L36] EXPR counter++ VAL [\old(counter)=0, counter=19, counter++=18, x1=101, x2=1, y1=18, y2=0, y3=83] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=19] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=19] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=19, x1=101, x2=1, y1=18, y2=0, y3=83] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=19, x1=101, x2=1, y1=18, y2=0, y3=83] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=19, x1=101, x2=1, y1=19, y2=0, y3=82] [L36] EXPR counter++ VAL [\old(counter)=0, counter=20, counter++=19, x1=101, x2=1, y1=19, y2=0, y3=82] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=20] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=20] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=20, x1=101, x2=1, y1=19, y2=0, y3=82] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=20, x1=101, x2=1, y1=19, y2=0, y3=82] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=20, x1=101, x2=1, y1=20, y2=0, y3=81] [L36] EXPR counter++ VAL [\old(counter)=0, counter=21, counter++=20, x1=101, x2=1, y1=20, y2=0, y3=81] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=21] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=21] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=21, x1=101, x2=1, y1=20, y2=0, y3=81] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=21, x1=101, x2=1, y1=20, y2=0, y3=81] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=21, x1=101, x2=1, y1=21, y2=0, y3=80] [L36] EXPR counter++ VAL [\old(counter)=0, counter=22, counter++=21, x1=101, x2=1, y1=21, y2=0, y3=80] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=22] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=22] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=22, x1=101, x2=1, y1=21, y2=0, y3=80] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=22, x1=101, x2=1, y1=21, y2=0, y3=80] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=22, x1=101, x2=1, y1=22, y2=0, y3=79] [L36] EXPR counter++ VAL [\old(counter)=0, counter=23, counter++=22, x1=101, x2=1, y1=22, y2=0, y3=79] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=23] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=23] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=23, x1=101, x2=1, y1=22, y2=0, y3=79] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=23, x1=101, x2=1, y1=22, y2=0, y3=79] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=23, x1=101, x2=1, y1=23, y2=0, y3=78] [L36] EXPR counter++ VAL [\old(counter)=0, counter=24, counter++=23, x1=101, x2=1, y1=23, y2=0, y3=78] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=24] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=24] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=24, x1=101, x2=1, y1=23, y2=0, y3=78] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=24, x1=101, x2=1, y1=23, y2=0, y3=78] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=24, x1=101, x2=1, y1=24, y2=0, y3=77] [L36] EXPR counter++ VAL [\old(counter)=0, counter=25, counter++=24, x1=101, x2=1, y1=24, y2=0, y3=77] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=25] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=25] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=25, x1=101, x2=1, y1=24, y2=0, y3=77] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=25, x1=101, x2=1, y1=24, y2=0, y3=77] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=25, x1=101, x2=1, y1=25, y2=0, y3=76] [L36] EXPR counter++ VAL [\old(counter)=0, counter=26, counter++=25, x1=101, x2=1, y1=25, y2=0, y3=76] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=26] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=26] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=26, x1=101, x2=1, y1=25, y2=0, y3=76] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=26, x1=101, x2=1, y1=25, y2=0, y3=76] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=26, x1=101, x2=1, y1=26, y2=0, y3=75] [L36] EXPR counter++ VAL [\old(counter)=0, counter=27, counter++=26, x1=101, x2=1, y1=26, y2=0, y3=75] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=27] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=27] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=27, x1=101, x2=1, y1=26, y2=0, y3=75] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=27, x1=101, x2=1, y1=26, y2=0, y3=75] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=27, x1=101, x2=1, y1=27, y2=0, y3=74] [L36] EXPR counter++ VAL [\old(counter)=0, counter=28, counter++=27, x1=101, x2=1, y1=27, y2=0, y3=74] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=28] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=28] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=28, x1=101, x2=1, y1=27, y2=0, y3=74] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=28, x1=101, x2=1, y1=27, y2=0, y3=74] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=28, x1=101, x2=1, y1=28, y2=0, y3=73] [L36] EXPR counter++ VAL [\old(counter)=0, counter=29, counter++=28, x1=101, x2=1, y1=28, y2=0, y3=73] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=29] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=29] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=29, x1=101, x2=1, y1=28, y2=0, y3=73] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=29, x1=101, x2=1, y1=28, y2=0, y3=73] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=29, x1=101, x2=1, y1=29, y2=0, y3=72] [L36] EXPR counter++ VAL [\old(counter)=0, counter=30, counter++=29, x1=101, x2=1, y1=29, y2=0, y3=72] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=30] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=30] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=30, x1=101, x2=1, y1=29, y2=0, y3=72] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=30, x1=101, x2=1, y1=29, y2=0, y3=72] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=30, x1=101, x2=1, y1=30, y2=0, y3=71] [L36] EXPR counter++ VAL [\old(counter)=0, counter=31, counter++=30, x1=101, x2=1, y1=30, y2=0, y3=71] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=31] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=31] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=31, x1=101, x2=1, y1=30, y2=0, y3=71] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=31, x1=101, x2=1, y1=30, y2=0, y3=71] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=31, x1=101, x2=1, y1=31, y2=0, y3=70] [L36] EXPR counter++ VAL [\old(counter)=0, counter=32, counter++=31, x1=101, x2=1, y1=31, y2=0, y3=70] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=32] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=32] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=32, x1=101, x2=1, y1=31, y2=0, y3=70] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=32, x1=101, x2=1, y1=31, y2=0, y3=70] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=32, x1=101, x2=1, y1=32, y2=0, y3=69] [L36] EXPR counter++ VAL [\old(counter)=0, counter=33, counter++=32, x1=101, x2=1, y1=32, y2=0, y3=69] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=33] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=33] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=33, x1=101, x2=1, y1=32, y2=0, y3=69] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=33, x1=101, x2=1, y1=32, y2=0, y3=69] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=33, x1=101, x2=1, y1=33, y2=0, y3=68] [L36] EXPR counter++ VAL [\old(counter)=0, counter=34, counter++=33, x1=101, x2=1, y1=33, y2=0, y3=68] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=34] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=34] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=34, x1=101, x2=1, y1=33, y2=0, y3=68] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=34, x1=101, x2=1, y1=33, y2=0, y3=68] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=34, x1=101, x2=1, y1=34, y2=0, y3=67] [L36] EXPR counter++ VAL [\old(counter)=0, counter=35, counter++=34, x1=101, x2=1, y1=34, y2=0, y3=67] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=35] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=35] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=35, x1=101, x2=1, y1=34, y2=0, y3=67] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=35, x1=101, x2=1, y1=34, y2=0, y3=67] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=35, x1=101, x2=1, y1=35, y2=0, y3=66] [L36] EXPR counter++ VAL [\old(counter)=0, counter=36, counter++=35, x1=101, x2=1, y1=35, y2=0, y3=66] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=36] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=36] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=36, x1=101, x2=1, y1=35, y2=0, y3=66] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=36, x1=101, x2=1, y1=35, y2=0, y3=66] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=36, x1=101, x2=1, y1=36, y2=0, y3=65] [L36] EXPR counter++ VAL [\old(counter)=0, counter=37, counter++=36, x1=101, x2=1, y1=36, y2=0, y3=65] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=37] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=37] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=37, x1=101, x2=1, y1=36, y2=0, y3=65] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=37, x1=101, x2=1, y1=36, y2=0, y3=65] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=37, x1=101, x2=1, y1=37, y2=0, y3=64] [L36] EXPR counter++ VAL [\old(counter)=0, counter=38, counter++=37, x1=101, x2=1, y1=37, y2=0, y3=64] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=38] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=38] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=38, x1=101, x2=1, y1=37, y2=0, y3=64] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=38, x1=101, x2=1, y1=37, y2=0, y3=64] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=38, x1=101, x2=1, y1=38, y2=0, y3=63] [L36] EXPR counter++ VAL [\old(counter)=0, counter=39, counter++=38, x1=101, x2=1, y1=38, y2=0, y3=63] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=39] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=39] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=39, x1=101, x2=1, y1=38, y2=0, y3=63] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=39, x1=101, x2=1, y1=38, y2=0, y3=63] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=39, x1=101, x2=1, y1=39, y2=0, y3=62] [L36] EXPR counter++ VAL [\old(counter)=0, counter=40, counter++=39, x1=101, x2=1, y1=39, y2=0, y3=62] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=40] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=40] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=40, x1=101, x2=1, y1=39, y2=0, y3=62] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=40, x1=101, x2=1, y1=39, y2=0, y3=62] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=40, x1=101, x2=1, y1=40, y2=0, y3=61] [L36] EXPR counter++ VAL [\old(counter)=0, counter=41, counter++=40, x1=101, x2=1, y1=40, y2=0, y3=61] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=41] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=41] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=41, x1=101, x2=1, y1=40, y2=0, y3=61] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=41, x1=101, x2=1, y1=40, y2=0, y3=61] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=41, x1=101, x2=1, y1=41, y2=0, y3=60] [L36] EXPR counter++ VAL [\old(counter)=0, counter=42, counter++=41, x1=101, x2=1, y1=41, y2=0, y3=60] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=42] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=42] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=42, x1=101, x2=1, y1=41, y2=0, y3=60] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=42, x1=101, x2=1, y1=41, y2=0, y3=60] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=42, x1=101, x2=1, y1=42, y2=0, y3=59] [L36] EXPR counter++ VAL [\old(counter)=0, counter=43, counter++=42, x1=101, x2=1, y1=42, y2=0, y3=59] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=43] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=43] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=43, x1=101, x2=1, y1=42, y2=0, y3=59] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=43, x1=101, x2=1, y1=42, y2=0, y3=59] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=43, x1=101, x2=1, y1=43, y2=0, y3=58] [L36] EXPR counter++ VAL [\old(counter)=0, counter=44, counter++=43, x1=101, x2=1, y1=43, y2=0, y3=58] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=44] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=44] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=44, x1=101, x2=1, y1=43, y2=0, y3=58] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=44, x1=101, x2=1, y1=43, y2=0, y3=58] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=44, x1=101, x2=1, y1=44, y2=0, y3=57] [L36] EXPR counter++ VAL [\old(counter)=0, counter=45, counter++=44, x1=101, x2=1, y1=44, y2=0, y3=57] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=45] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=45] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=45, x1=101, x2=1, y1=44, y2=0, y3=57] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=45, x1=101, x2=1, y1=44, y2=0, y3=57] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=45, x1=101, x2=1, y1=45, y2=0, y3=56] [L36] EXPR counter++ VAL [\old(counter)=0, counter=46, counter++=45, x1=101, x2=1, y1=45, y2=0, y3=56] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=46] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=46] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=46, x1=101, x2=1, y1=45, y2=0, y3=56] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=46, x1=101, x2=1, y1=45, y2=0, y3=56] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=46, x1=101, x2=1, y1=46, y2=0, y3=55] [L36] EXPR counter++ VAL [\old(counter)=0, counter=47, counter++=46, x1=101, x2=1, y1=46, y2=0, y3=55] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=47] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=47] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=47, x1=101, x2=1, y1=46, y2=0, y3=55] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=47, x1=101, x2=1, y1=46, y2=0, y3=55] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=47, x1=101, x2=1, y1=47, y2=0, y3=54] [L36] EXPR counter++ VAL [\old(counter)=0, counter=48, counter++=47, x1=101, x2=1, y1=47, y2=0, y3=54] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=48] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=48] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=48, x1=101, x2=1, y1=47, y2=0, y3=54] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=48, x1=101, x2=1, y1=47, y2=0, y3=54] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=48, x1=101, x2=1, y1=48, y2=0, y3=53] [L36] EXPR counter++ VAL [\old(counter)=0, counter=49, counter++=48, x1=101, x2=1, y1=48, y2=0, y3=53] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=49] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=49] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=49, x1=101, x2=1, y1=48, y2=0, y3=53] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=49, x1=101, x2=1, y1=48, y2=0, y3=53] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=49, x1=101, x2=1, y1=49, y2=0, y3=52] [L36] EXPR counter++ VAL [\old(counter)=0, counter=50, counter++=49, x1=101, x2=1, y1=49, y2=0, y3=52] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=50] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=50] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=50, x1=101, x2=1, y1=49, y2=0, y3=52] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=50, x1=101, x2=1, y1=49, y2=0, y3=52] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=50, x1=101, x2=1, y1=50, y2=0, y3=51] [L36] EXPR counter++ VAL [\old(counter)=0, counter=51, counter++=50, x1=101, x2=1, y1=50, y2=0, y3=51] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=51] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=51] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=51, x1=101, x2=1, y1=50, y2=0, y3=51] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=51, x1=101, x2=1, y1=50, y2=0, y3=51] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=51, x1=101, x2=1, y1=51, y2=0, y3=50] [L36] EXPR counter++ VAL [\old(counter)=0, counter=52, counter++=51, x1=101, x2=1, y1=51, y2=0, y3=50] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=52] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=52] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=52, x1=101, x2=1, y1=51, y2=0, y3=50] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=52, x1=101, x2=1, y1=51, y2=0, y3=50] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=52, x1=101, x2=1, y1=52, y2=0, y3=49] [L36] EXPR counter++ VAL [\old(counter)=0, counter=53, counter++=52, x1=101, x2=1, y1=52, y2=0, y3=49] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=53] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=53] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=53, x1=101, x2=1, y1=52, y2=0, y3=49] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=53, x1=101, x2=1, y1=52, y2=0, y3=49] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=53, x1=101, x2=1, y1=53, y2=0, y3=48] [L36] EXPR counter++ VAL [\old(counter)=0, counter=54, counter++=53, x1=101, x2=1, y1=53, y2=0, y3=48] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=54] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=54] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=54, x1=101, x2=1, y1=53, y2=0, y3=48] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=54, x1=101, x2=1, y1=53, y2=0, y3=48] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=54, x1=101, x2=1, y1=54, y2=0, y3=47] [L36] EXPR counter++ VAL [\old(counter)=0, counter=55, counter++=54, x1=101, x2=1, y1=54, y2=0, y3=47] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=55] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=55] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=55, x1=101, x2=1, y1=54, y2=0, y3=47] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=55, x1=101, x2=1, y1=54, y2=0, y3=47] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=55, x1=101, x2=1, y1=55, y2=0, y3=46] [L36] EXPR counter++ VAL [\old(counter)=0, counter=56, counter++=55, x1=101, x2=1, y1=55, y2=0, y3=46] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=56] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=56] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=56, x1=101, x2=1, y1=55, y2=0, y3=46] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=56, x1=101, x2=1, y1=55, y2=0, y3=46] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=56, x1=101, x2=1, y1=56, y2=0, y3=45] [L36] EXPR counter++ VAL [\old(counter)=0, counter=57, counter++=56, x1=101, x2=1, y1=56, y2=0, y3=45] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=57] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=57] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=57, x1=101, x2=1, y1=56, y2=0, y3=45] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=57, x1=101, x2=1, y1=56, y2=0, y3=45] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=57, x1=101, x2=1, y1=57, y2=0, y3=44] [L36] EXPR counter++ VAL [\old(counter)=0, counter=58, counter++=57, x1=101, x2=1, y1=57, y2=0, y3=44] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=58] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=58] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=58, x1=101, x2=1, y1=57, y2=0, y3=44] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=58, x1=101, x2=1, y1=57, y2=0, y3=44] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=58, x1=101, x2=1, y1=58, y2=0, y3=43] [L36] EXPR counter++ VAL [\old(counter)=0, counter=59, counter++=58, x1=101, x2=1, y1=58, y2=0, y3=43] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=59] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=59] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=59, x1=101, x2=1, y1=58, y2=0, y3=43] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=59, x1=101, x2=1, y1=58, y2=0, y3=43] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=59, x1=101, x2=1, y1=59, y2=0, y3=42] [L36] EXPR counter++ VAL [\old(counter)=0, counter=60, counter++=59, x1=101, x2=1, y1=59, y2=0, y3=42] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=60] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=60] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=60, x1=101, x2=1, y1=59, y2=0, y3=42] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=60, x1=101, x2=1, y1=59, y2=0, y3=42] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=60, x1=101, x2=1, y1=60, y2=0, y3=41] [L36] EXPR counter++ VAL [\old(counter)=0, counter=61, counter++=60, x1=101, x2=1, y1=60, y2=0, y3=41] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=61] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=61] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=61, x1=101, x2=1, y1=60, y2=0, y3=41] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=61, x1=101, x2=1, y1=60, y2=0, y3=41] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=61, x1=101, x2=1, y1=61, y2=0, y3=40] [L36] EXPR counter++ VAL [\old(counter)=0, counter=62, counter++=61, x1=101, x2=1, y1=61, y2=0, y3=40] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=62] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=62] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=62, x1=101, x2=1, y1=61, y2=0, y3=40] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=62, x1=101, x2=1, y1=61, y2=0, y3=40] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=62, x1=101, x2=1, y1=62, y2=0, y3=39] [L36] EXPR counter++ VAL [\old(counter)=0, counter=63, counter++=62, x1=101, x2=1, y1=62, y2=0, y3=39] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=63] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=63] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=63, x1=101, x2=1, y1=62, y2=0, y3=39] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=63, x1=101, x2=1, y1=62, y2=0, y3=39] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=63, x1=101, x2=1, y1=63, y2=0, y3=38] [L36] EXPR counter++ VAL [\old(counter)=0, counter=64, counter++=63, x1=101, x2=1, y1=63, y2=0, y3=38] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=64] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=64] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=64, x1=101, x2=1, y1=63, y2=0, y3=38] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=64, x1=101, x2=1, y1=63, y2=0, y3=38] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=64, x1=101, x2=1, y1=64, y2=0, y3=37] [L36] EXPR counter++ VAL [\old(counter)=0, counter=65, counter++=64, x1=101, x2=1, y1=64, y2=0, y3=37] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=65] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=65] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=65, x1=101, x2=1, y1=64, y2=0, y3=37] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=65, x1=101, x2=1, y1=64, y2=0, y3=37] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=65, x1=101, x2=1, y1=65, y2=0, y3=36] [L36] EXPR counter++ VAL [\old(counter)=0, counter=66, counter++=65, x1=101, x2=1, y1=65, y2=0, y3=36] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=66] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=66] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=66, x1=101, x2=1, y1=65, y2=0, y3=36] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=66, x1=101, x2=1, y1=65, y2=0, y3=36] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=66, x1=101, x2=1, y1=66, y2=0, y3=35] [L36] EXPR counter++ VAL [\old(counter)=0, counter=67, counter++=66, x1=101, x2=1, y1=66, y2=0, y3=35] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=67] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=67] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=67, x1=101, x2=1, y1=66, y2=0, y3=35] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=67, x1=101, x2=1, y1=66, y2=0, y3=35] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=67, x1=101, x2=1, y1=67, y2=0, y3=34] [L36] EXPR counter++ VAL [\old(counter)=0, counter=68, counter++=67, x1=101, x2=1, y1=67, y2=0, y3=34] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=68] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=68] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=68, x1=101, x2=1, y1=67, y2=0, y3=34] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=68, x1=101, x2=1, y1=67, y2=0, y3=34] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=68, x1=101, x2=1, y1=68, y2=0, y3=33] [L36] EXPR counter++ VAL [\old(counter)=0, counter=69, counter++=68, x1=101, x2=1, y1=68, y2=0, y3=33] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=69] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=69] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=69, x1=101, x2=1, y1=68, y2=0, y3=33] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=69, x1=101, x2=1, y1=68, y2=0, y3=33] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=69, x1=101, x2=1, y1=69, y2=0, y3=32] [L36] EXPR counter++ VAL [\old(counter)=0, counter=70, counter++=69, x1=101, x2=1, y1=69, y2=0, y3=32] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=70] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=70] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=70, x1=101, x2=1, y1=69, y2=0, y3=32] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=70, x1=101, x2=1, y1=69, y2=0, y3=32] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=70, x1=101, x2=1, y1=70, y2=0, y3=31] [L36] EXPR counter++ VAL [\old(counter)=0, counter=71, counter++=70, x1=101, x2=1, y1=70, y2=0, y3=31] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=71] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=71] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=71, x1=101, x2=1, y1=70, y2=0, y3=31] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=71, x1=101, x2=1, y1=70, y2=0, y3=31] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=71, x1=101, x2=1, y1=71, y2=0, y3=30] [L36] EXPR counter++ VAL [\old(counter)=0, counter=72, counter++=71, x1=101, x2=1, y1=71, y2=0, y3=30] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=72] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=72] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=72, x1=101, x2=1, y1=71, y2=0, y3=30] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=72, x1=101, x2=1, y1=71, y2=0, y3=30] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=72, x1=101, x2=1, y1=72, y2=0, y3=29] [L36] EXPR counter++ VAL [\old(counter)=0, counter=73, counter++=72, x1=101, x2=1, y1=72, y2=0, y3=29] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=73] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=73] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=73, x1=101, x2=1, y1=72, y2=0, y3=29] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=73, x1=101, x2=1, y1=72, y2=0, y3=29] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=73, x1=101, x2=1, y1=73, y2=0, y3=28] [L36] EXPR counter++ VAL [\old(counter)=0, counter=74, counter++=73, x1=101, x2=1, y1=73, y2=0, y3=28] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=74] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=74] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=74, x1=101, x2=1, y1=73, y2=0, y3=28] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=74, x1=101, x2=1, y1=73, y2=0, y3=28] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=74, x1=101, x2=1, y1=74, y2=0, y3=27] [L36] EXPR counter++ VAL [\old(counter)=0, counter=75, counter++=74, x1=101, x2=1, y1=74, y2=0, y3=27] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=75] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=75] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=75, x1=101, x2=1, y1=74, y2=0, y3=27] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=75, x1=101, x2=1, y1=74, y2=0, y3=27] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=75, x1=101, x2=1, y1=75, y2=0, y3=26] [L36] EXPR counter++ VAL [\old(counter)=0, counter=76, counter++=75, x1=101, x2=1, y1=75, y2=0, y3=26] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=76] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=76] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=76, x1=101, x2=1, y1=75, y2=0, y3=26] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=76, x1=101, x2=1, y1=75, y2=0, y3=26] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=76, x1=101, x2=1, y1=76, y2=0, y3=25] [L36] EXPR counter++ VAL [\old(counter)=0, counter=77, counter++=76, x1=101, x2=1, y1=76, y2=0, y3=25] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=77] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=77] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=77, x1=101, x2=1, y1=76, y2=0, y3=25] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=77, x1=101, x2=1, y1=76, y2=0, y3=25] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=77, x1=101, x2=1, y1=77, y2=0, y3=24] [L36] EXPR counter++ VAL [\old(counter)=0, counter=78, counter++=77, x1=101, x2=1, y1=77, y2=0, y3=24] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=78] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=78] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=78, x1=101, x2=1, y1=77, y2=0, y3=24] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=78, x1=101, x2=1, y1=77, y2=0, y3=24] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=78, x1=101, x2=1, y1=78, y2=0, y3=23] [L36] EXPR counter++ VAL [\old(counter)=0, counter=79, counter++=78, x1=101, x2=1, y1=78, y2=0, y3=23] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=79] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=79] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=79, x1=101, x2=1, y1=78, y2=0, y3=23] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=79, x1=101, x2=1, y1=78, y2=0, y3=23] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=79, x1=101, x2=1, y1=79, y2=0, y3=22] [L36] EXPR counter++ VAL [\old(counter)=0, counter=80, counter++=79, x1=101, x2=1, y1=79, y2=0, y3=22] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=80] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=80] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=80, x1=101, x2=1, y1=79, y2=0, y3=22] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=80, x1=101, x2=1, y1=79, y2=0, y3=22] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=80, x1=101, x2=1, y1=80, y2=0, y3=21] [L36] EXPR counter++ VAL [\old(counter)=0, counter=81, counter++=80, x1=101, x2=1, y1=80, y2=0, y3=21] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=81] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=81] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=81, x1=101, x2=1, y1=80, y2=0, y3=21] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=81, x1=101, x2=1, y1=80, y2=0, y3=21] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=81, x1=101, x2=1, y1=81, y2=0, y3=20] [L36] EXPR counter++ VAL [\old(counter)=0, counter=82, counter++=81, x1=101, x2=1, y1=81, y2=0, y3=20] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=82] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=82] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=82, x1=101, x2=1, y1=81, y2=0, y3=20] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=82, x1=101, x2=1, y1=81, y2=0, y3=20] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=82, x1=101, x2=1, y1=82, y2=0, y3=19] [L36] EXPR counter++ VAL [\old(counter)=0, counter=83, counter++=82, x1=101, x2=1, y1=82, y2=0, y3=19] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=83] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=83] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=83, x1=101, x2=1, y1=82, y2=0, y3=19] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=83, x1=101, x2=1, y1=82, y2=0, y3=19] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=83, x1=101, x2=1, y1=83, y2=0, y3=18] [L36] EXPR counter++ VAL [\old(counter)=0, counter=84, counter++=83, x1=101, x2=1, y1=83, y2=0, y3=18] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=84] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=84] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=84, x1=101, x2=1, y1=83, y2=0, y3=18] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=84, x1=101, x2=1, y1=83, y2=0, y3=18] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=84, x1=101, x2=1, y1=84, y2=0, y3=17] [L36] EXPR counter++ VAL [\old(counter)=0, counter=85, counter++=84, x1=101, x2=1, y1=84, y2=0, y3=17] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=85] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=85] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=85, x1=101, x2=1, y1=84, y2=0, y3=17] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=85, x1=101, x2=1, y1=84, y2=0, y3=17] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=85, x1=101, x2=1, y1=85, y2=0, y3=16] [L36] EXPR counter++ VAL [\old(counter)=0, counter=86, counter++=85, x1=101, x2=1, y1=85, y2=0, y3=16] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=86] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=86] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=86, x1=101, x2=1, y1=85, y2=0, y3=16] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=86, x1=101, x2=1, y1=85, y2=0, y3=16] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=86, x1=101, x2=1, y1=86, y2=0, y3=15] [L36] EXPR counter++ VAL [\old(counter)=0, counter=87, counter++=86, x1=101, x2=1, y1=86, y2=0, y3=15] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=87] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=87] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=87, x1=101, x2=1, y1=86, y2=0, y3=15] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=87, x1=101, x2=1, y1=86, y2=0, y3=15] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=87, x1=101, x2=1, y1=87, y2=0, y3=14] [L36] EXPR counter++ VAL [\old(counter)=0, counter=88, counter++=87, x1=101, x2=1, y1=87, y2=0, y3=14] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=88] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=88] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=88, x1=101, x2=1, y1=87, y2=0, y3=14] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=88, x1=101, x2=1, y1=87, y2=0, y3=14] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=88, x1=101, x2=1, y1=88, y2=0, y3=13] [L36] EXPR counter++ VAL [\old(counter)=0, counter=89, counter++=88, x1=101, x2=1, y1=88, y2=0, y3=13] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=89] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=89] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=89, x1=101, x2=1, y1=88, y2=0, y3=13] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=89, x1=101, x2=1, y1=88, y2=0, y3=13] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=89, x1=101, x2=1, y1=89, y2=0, y3=12] [L36] EXPR counter++ VAL [\old(counter)=0, counter=90, counter++=89, x1=101, x2=1, y1=89, y2=0, y3=12] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=90] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=90] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=90, x1=101, x2=1, y1=89, y2=0, y3=12] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=90, x1=101, x2=1, y1=89, y2=0, y3=12] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=90, x1=101, x2=1, y1=90, y2=0, y3=11] [L36] EXPR counter++ VAL [\old(counter)=0, counter=91, counter++=90, x1=101, x2=1, y1=90, y2=0, y3=11] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=91] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=91] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=91, x1=101, x2=1, y1=90, y2=0, y3=11] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=91, x1=101, x2=1, y1=90, y2=0, y3=11] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=91, x1=101, x2=1, y1=91, y2=0, y3=10] [L36] EXPR counter++ VAL [\old(counter)=0, counter=92, counter++=91, x1=101, x2=1, y1=91, y2=0, y3=10] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=92] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=92] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=92, x1=101, x2=1, y1=91, y2=0, y3=10] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=92, x1=101, x2=1, y1=91, y2=0, y3=10] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=92, x1=101, x2=1, y1=92, y2=0, y3=9] [L36] EXPR counter++ VAL [\old(counter)=0, counter=93, counter++=92, x1=101, x2=1, y1=92, y2=0, y3=9] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=93] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=93] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=93, x1=101, x2=1, y1=92, y2=0, y3=9] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=93, x1=101, x2=1, y1=92, y2=0, y3=9] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=93, x1=101, x2=1, y1=93, y2=0, y3=8] [L36] EXPR counter++ VAL [\old(counter)=0, counter=94, counter++=93, x1=101, x2=1, y1=93, y2=0, y3=8] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=94] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=94] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=94, x1=101, x2=1, y1=93, y2=0, y3=8] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=94, x1=101, x2=1, y1=93, y2=0, y3=8] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=94, x1=101, x2=1, y1=94, y2=0, y3=7] [L36] EXPR counter++ VAL [\old(counter)=0, counter=95, counter++=94, x1=101, x2=1, y1=94, y2=0, y3=7] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=95] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=95] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=95, x1=101, x2=1, y1=94, y2=0, y3=7] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=95, x1=101, x2=1, y1=94, y2=0, y3=7] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=95, x1=101, x2=1, y1=95, y2=0, y3=6] [L36] EXPR counter++ VAL [\old(counter)=0, counter=96, counter++=95, x1=101, x2=1, y1=95, y2=0, y3=6] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=96] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=96] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=96, x1=101, x2=1, y1=95, y2=0, y3=6] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=96, x1=101, x2=1, y1=95, y2=0, y3=6] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=96, x1=101, x2=1, y1=96, y2=0, y3=5] [L36] EXPR counter++ VAL [\old(counter)=0, counter=97, counter++=96, x1=101, x2=1, y1=96, y2=0, y3=5] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=97] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=97] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=97, x1=101, x2=1, y1=96, y2=0, y3=5] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=97, x1=101, x2=1, y1=96, y2=0, y3=5] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=97, x1=101, x2=1, y1=97, y2=0, y3=4] [L36] EXPR counter++ VAL [\old(counter)=0, counter=98, counter++=97, x1=101, x2=1, y1=97, y2=0, y3=4] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=98] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=98] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=98, x1=101, x2=1, y1=97, y2=0, y3=4] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=98, x1=101, x2=1, y1=97, y2=0, y3=4] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=98, x1=101, x2=1, y1=98, y2=0, y3=3] [L36] EXPR counter++ VAL [\old(counter)=0, counter=99, counter++=98, x1=101, x2=1, y1=98, y2=0, y3=3] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=99] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=99] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=99, x1=101, x2=1, y1=98, y2=0, y3=3] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=99, x1=101, x2=1, y1=98, y2=0, y3=3] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=99, x1=101, x2=1, y1=99, y2=0, y3=2] [L36] EXPR counter++ VAL [\old(counter)=0, counter=100, counter++=99, x1=101, x2=1, y1=99, y2=0, y3=2] [L36] COND TRUE counter++<100 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=100] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=100] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=100, x1=101, x2=1, y1=99, y2=0, y3=2] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=100, x1=101, x2=1, y1=99, y2=0, y3=2] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=100, x1=101, x2=1, y1=100, y2=0, y3=1] [L36] EXPR counter++ VAL [\old(counter)=0, counter=101, counter++=100, x1=101, x2=1, y1=100, y2=0, y3=1] [L36] COND FALSE !(counter++<100) [L50] CALL __VERIFIER_assert(y1*x2 + y2 == x1) VAL [\old(cond)=0, \old(counter)=0, counter=101] [L16] COND TRUE !(cond) VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=101] [L18] reach_error() VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=101] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 420833.5ms, OverallIterations: 104, TraceHistogramMax: 101, EmptinessCheckTime: 301.4ms, AutomataDifference: 177043.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7622 SDtfs, 18141 SDslu, 40855 SDs, 0 SdLazy, 35678 SolverSat, 2232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24573.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51765 GetRequests, 41647 SyntacticMatches, 0 SemanticMatches, 10118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166660 ImplicationChecksByTransitivity, 257432.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=920occurred in iteration=103, InterpolantAutomatonStates: 10319, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 607.2ms AutomataMinimizationTime, 103 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3264.4ms SsaConstructionTime, 26857.4ms SatisfiabilityAnalysisTime, 185317.2ms InterpolantComputationTime, 47847 NumberOfCodeBlocks, 47847 NumberOfCodeBlocksAsserted, 2621 NumberOfCheckSat, 46821 ConstructedInterpolants, 0 QuantifiedInterpolants, 139433 SizeOfPredicates, 5055 NumberOfNonLiveVariables, 126815 ConjunctsInSsa, 10424 ConjunctsInUnsatCore, 103 InterpolantComputations, 3 PerfectInterpolantSequences, 10313/1475514 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...