/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/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 18:22:53,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 18:22:53,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 18:22:53,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-02 18:22:53,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-02 18:22:53,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-02 18:22:53,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-02 18:22:53,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-02 18:22:53,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-02 18:22:53,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-02 18:22:53,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-02 18:22:53,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-02 18:22:53,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 18:22:53,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 18:22:53,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 18:22:53,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 18:22:53,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 18:22:53,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 18:22:53,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 18:22:53,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 18:22:53,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 18:22:53,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 18:22:53,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 18:22:53,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 18:22:53,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-02 18:22:53,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 18:22:53,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 18:22:53,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 18:22:53,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-02 18:22:53,640 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 18:22:53,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 18:22:53,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 18:22:53,643 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 18:22:53,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 18:22:53,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 18:22:53,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 18:22:53,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 18:22:53,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 18:22:53,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 18:22:53,644 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 18:22:53,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 18:22:53,644 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 18:22:53,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 18:22:53,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 18:22:53,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 18:22:53,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 18:22:53,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 18:22:53,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 18:22:53,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 18:22:53,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 18:22:53,645 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-02 18:22:53,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 18:22:53,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 18:22:53,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 18:22:53,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 18:22:53,866 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 18:22:53,866 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 18:22:53,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2021-05-02 18:22:53,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11383a0e8/9bb8a5c6856e41e0b7a5d2b02a9196dd/FLAG1669f3dc7 [2021-05-02 18:22:54,273 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 18:22:54,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2021-05-02 18:22:54,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11383a0e8/9bb8a5c6856e41e0b7a5d2b02a9196dd/FLAG1669f3dc7 [2021-05-02 18:22:54,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11383a0e8/9bb8a5c6856e41e0b7a5d2b02a9196dd [2021-05-02 18:22:54,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 18:22:54,296 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-02 18:22:54,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 18:22:54,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 18:22:54,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 18:22:54,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 06:22:54" (1/1) ... [2021-05-02 18:22:54,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ab71ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 06:22:54, skipping insertion in model container [2021-05-02 18:22:54,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 06:22:54" (1/1) ... [2021-05-02 18:22:54,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 18:22:54,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 18:22:54,472 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c[7920,7933] [2021-05-02 18:22:54,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 18:22:54,483 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 18:22:54,559 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c[7920,7933] [2021-05-02 18:22:54,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 18:22:54,574 INFO L208 MainTranslator]: Completed translation [2021-05-02 18:22:54,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 06:22:54 WrapperNode [2021-05-02 18:22:54,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 18:22:54,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 18:22:54,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 18:22:54,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 18:22:54,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 06:22:54" (1/1) ... [2021-05-02 18:22:54,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 06:22:54" (1/1) ... [2021-05-02 18:22:54,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 06:22:54" (1/1) ... [2021-05-02 18:22:54,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 06:22:54" (1/1) ... [2021-05-02 18:22:54,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 06:22:54" (1/1) ... [2021-05-02 18:22:54,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 06:22:54" (1/1) ... [2021-05-02 18:22:54,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 06:22:54" (1/1) ... [2021-05-02 18:22:54,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 18:22:54,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 18:22:54,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 18:22:54,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 18:22:54,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 06:22:54" (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 [2021-05-02 18:22:54,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 18:22:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 18:22:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 18:22:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 18:22:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 18:22:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 18:22:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 18:22:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 18:22:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2021-05-02 18:22:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-05-02 18:22:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 18:22:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 18:22:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 18:22:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-05-02 18:22:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 18:22:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 18:22:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 18:22:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 18:22:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 18:22:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-05-02 18:22:55,178 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 18:22:55,178 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-02 18:22:55,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 06:22:55 BoogieIcfgContainer [2021-05-02 18:22:55,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 18:22:55,181 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-02 18:22:55,181 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-02 18:22:55,181 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-02 18:22:55,183 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 06:22:55" (1/1) ... [2021-05-02 18:22:55,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 06:22:55 BasicIcfg [2021-05-02 18:22:55,196 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-02 18:22:55,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 18:22:55,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 18:22:55,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 18:22:55,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 06:22:54" (1/4) ... [2021-05-02 18:22:55,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5850524c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 06:22:55, skipping insertion in model container [2021-05-02 18:22:55,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 06:22:54" (2/4) ... [2021-05-02 18:22:55,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5850524c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 06:22:55, skipping insertion in model container [2021-05-02 18:22:55,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 06:22:55" (3/4) ... [2021-05-02 18:22:55,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5850524c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 06:22:55, skipping insertion in model container [2021-05-02 18:22:55,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 06:22:55" (4/4) ... [2021-05-02 18:22:55,203 INFO L111 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+cfa-reducer.cJordan [2021-05-02 18:22:55,207 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-02 18:22:55,210 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 18:22:55,222 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 18:22:55,234 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 18:22:55,234 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-02 18:22:55,234 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-02 18:22:55,234 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 18:22:55,234 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 18:22:55,234 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 18:22:55,235 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 18:22:55,235 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 18:22:55,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-05-02 18:22:55,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-05-02 18:22:55,249 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 18:22:55,250 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 18:22:55,250 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 18:22:55,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 18:22:55,257 INFO L82 PathProgramCache]: Analyzing trace with hash 600195039, now seen corresponding path program 1 times [2021-05-02 18:22:55,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 18:22:55,264 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097890930] [2021-05-02 18:22:55,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 18:22:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 18:22:55,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 18:22:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 18:22:55,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 18:22:55,536 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 18:22:55,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097890930] [2021-05-02 18:22:55,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097890930] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 18:22:55,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 18:22:55,537 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-05-02 18:22:55,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096324663] [2021-05-02 18:22:55,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-02 18:22:55,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 18:22:55,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-02 18:22:55,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-02 18:22:55,554 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 18:22:55,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 18:22:55,657 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2021-05-02 18:22:55,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-02 18:22:55,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-05-02 18:22:55,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 18:22:55,664 INFO L225 Difference]: With dead ends: 29 [2021-05-02 18:22:55,664 INFO L226 Difference]: Without dead ends: 23 [2021-05-02 18:22:55,665 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 67.9ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-05-02 18:22:55,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-05-02 18:22:55,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 17. [2021-05-02 18:22:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 18:22:55,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2021-05-02 18:22:55,686 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 13 [2021-05-02 18:22:55,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 18:22:55,687 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2021-05-02 18:22:55,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 18:22:55,687 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2021-05-02 18:22:55,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-05-02 18:22:55,687 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 18:22:55,688 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 18:22:55,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 18:22:55,688 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 18:22:55,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 18:22:55,689 INFO L82 PathProgramCache]: Analyzing trace with hash 600224830, now seen corresponding path program 1 times [2021-05-02 18:22:55,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 18:22:55,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842346525] [2021-05-02 18:22:55,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 18:22:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 18:22:55,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 18:22:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 18:22:55,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 18:22:55,847 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 18:22:55,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842346525] [2021-05-02 18:22:55,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842346525] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 18:22:55,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 18:22:55,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-05-02 18:22:55,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667449297] [2021-05-02 18:22:55,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-02 18:22:55,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 18:22:55,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-02 18:22:55,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-02 18:22:55,850 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 18:22:55,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 18:22:55,959 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2021-05-02 18:22:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-02 18:22:55,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-05-02 18:22:55,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 18:22:55,960 INFO L225 Difference]: With dead ends: 24 [2021-05-02 18:22:55,961 INFO L226 Difference]: Without dead ends: 24 [2021-05-02 18:22:55,961 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 125.2ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-05-02 18:22:55,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-05-02 18:22:55,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2021-05-02 18:22:55,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 18:22:55,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2021-05-02 18:22:55,967 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 13 [2021-05-02 18:22:55,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 18:22:55,967 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-05-02 18:22:55,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 18:22:55,968 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-05-02 18:22:55,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-05-02 18:22:55,968 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 18:22:55,969 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 18:22:55,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-02 18:22:55,969 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 18:22:55,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 18:22:55,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1638883516, now seen corresponding path program 1 times [2021-05-02 18:22:55,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 18:22:55,972 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500909474] [2021-05-02 18:22:55,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 18:22:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 18:22:56,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 18:22:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 18:22:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 18:22:56,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 18:22:56,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500909474] [2021-05-02 18:22:56,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500909474] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 18:22:56,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012978187] [2021-05-02 18:22:56,174 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 [2021-05-02 18:22:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 18:22:56,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-02 18:22:56,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 18:22:56,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:56,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 18:22:56,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012978187] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 18:22:56,484 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 18:22:56,484 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-05-02 18:22:56,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768320183] [2021-05-02 18:22:56,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-02 18:22:56,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 18:22:56,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-02 18:22:56,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-05-02 18:22:56,486 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 18:22:56,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 18:22:56,626 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2021-05-02 18:22:56,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-02 18:22:56,626 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2021-05-02 18:22:56,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 18:22:56,627 INFO L225 Difference]: With dead ends: 30 [2021-05-02 18:22:56,627 INFO L226 Difference]: Without dead ends: 30 [2021-05-02 18:22:56,628 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 152.5ms TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-05-02 18:22:56,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-05-02 18:22:56,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26. [2021-05-02 18:22:56,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 18:22:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2021-05-02 18:22:56,633 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 19 [2021-05-02 18:22:56,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 18:22:56,633 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-05-02 18:22:56,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 18:22:56,633 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-05-02 18:22:56,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-05-02 18:22:56,634 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 18:22:56,634 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 18:22:56,840 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-05-02 18:22:56,841 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 18:22:56,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 18:22:56,841 INFO L82 PathProgramCache]: Analyzing trace with hash -471618102, now seen corresponding path program 2 times [2021-05-02 18:22:56,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 18:22:56,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293731501] [2021-05-02 18:22:56,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 18:22:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 18:22:56,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 18:22:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 18:22:56,976 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 18:22:56,977 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 18:22:56,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293731501] [2021-05-02 18:22:56,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293731501] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 18:22:56,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818423889] [2021-05-02 18:22:56,977 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 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 [2021-05-02 18:22:57,165 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 18:22:57,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 18:22:57,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 9 conjunts are in the unsatisfiable core [2021-05-02 18:22:57,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 18:22:57,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:57,227 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 18:22:57,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818423889] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 18:22:57,227 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 18:22:57,227 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2021-05-02 18:22:57,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559275488] [2021-05-02 18:22:57,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-02 18:22:57,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 18:22:57,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-02 18:22:57,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-05-02 18:22:57,229 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 18:22:57,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 18:22:57,392 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2021-05-02 18:22:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-02 18:22:57,393 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-05-02 18:22:57,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 18:22:57,394 INFO L225 Difference]: With dead ends: 36 [2021-05-02 18:22:57,395 INFO L226 Difference]: Without dead ends: 36 [2021-05-02 18:22:57,395 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 132.4ms TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-05-02 18:22:57,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-05-02 18:22:57,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32. [2021-05-02 18:22:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 18:22:57,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2021-05-02 18:22:57,401 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 25 [2021-05-02 18:22:57,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 18:22:57,401 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2021-05-02 18:22:57,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 18:22:57,401 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2021-05-02 18:22:57,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-05-02 18:22:57,402 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 18:22:57,402 INFO L523 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 18:22:57,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 18:22:57,603 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 18:22:57,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 18:22:57,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1225310256, now seen corresponding path program 3 times [2021-05-02 18:22:57,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 18:22:57,603 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892303205] [2021-05-02 18:22:57,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 18:22:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 18:22:57,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 18:22:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 18:22:57,769 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 18:22:57,769 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 18:22:57,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892303205] [2021-05-02 18:22:57,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892303205] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 18:22:57,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982205548] [2021-05-02 18:22:57,770 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 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 [2021-05-02 18:22:59,503 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-05-02 18:22:59,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 18:22:59,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 52 conjunts are in the unsatisfiable core [2021-05-02 18:22:59,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 18:22:59,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:22:59,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,385 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2021-05-02 18:23:00,386 INFO L354 Elim1Store]: treesize reduction 36, result has 89.8 percent of original size [2021-05-02 18:23:00,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 91 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 117 treesize of output 365 [2021-05-02 18:23:00,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,453 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 18:23:00,756 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 133 [2021-05-02 18:23:00,766 INFO L628 ElimStorePlain]: treesize reduction 32, result has 90.3 percent of original size [2021-05-02 18:23:00,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,835 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-05-02 18:23:00,835 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:122, output treesize:174 [2021-05-02 18:23:00,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:00,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 18:23:01,312 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-05-02 18:23:17,978 WARN L205 SmtUtils]: Spent 16.66 s on a formula simplification. DAG size of input: 84 DAG size of output: 79