/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/ps5-ll_unwindbound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-1a84f73 [2021-05-01 06:09:49,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-01 06:09:49,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-01 06:09:49,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-01 06:09:49,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-01 06:09:49,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-01 06:09:49,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-01 06:09:49,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-01 06:09:49,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-01 06:09:49,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-01 06:09:49,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-01 06:09:49,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-01 06:09:49,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-01 06:09:49,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-01 06:09:49,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-01 06:09:49,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-01 06:09:49,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-01 06:09:49,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-01 06:09:49,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-01 06:09:49,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-01 06:09:49,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-01 06:09:49,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-01 06:09:49,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-01 06:09:49,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-01 06:09:49,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-01 06:09:49,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-01 06:09:49,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-01 06:09:49,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-01 06:09:49,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-01 06:09:49,994 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-01 06:09:49,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-01 06:09:49,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-01 06:09:49,997 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-01 06:09:49,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-01 06:09:49,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-01 06:09:49,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-01 06:09:49,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-01 06:09:49,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-01 06:09:49,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-01 06:09:49,999 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-01 06:09:49,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-01 06:09:49,999 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-01 06:09:49,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-01 06:09:50,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-01 06:09:50,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-01 06:09:50,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-01 06:09:50,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-01 06:09:50,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-01 06:09:50,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-01 06:09:50,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-01 06:09:50,002 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-01 06:09:50,002 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-01 06:09:50,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-01 06:09:50,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-01 06:09:50,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-01 06:09:50,347 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-01 06:09:50,348 INFO L275 PluginConnector]: CDTParser initialized [2021-05-01 06:09:50,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/ps5-ll_unwindbound2.c [2021-05-01 06:09:50,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24bdf6dde/443dad9d340e47d3972fcc2a1139aa70/FLAG091b14c1b [2021-05-01 06:09:50,848 INFO L306 CDTParser]: Found 1 translation units. [2021-05-01 06:09:50,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps5-ll_unwindbound2.c [2021-05-01 06:09:50,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24bdf6dde/443dad9d340e47d3972fcc2a1139aa70/FLAG091b14c1b [2021-05-01 06:09:51,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24bdf6dde/443dad9d340e47d3972fcc2a1139aa70 [2021-05-01 06:09:51,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-01 06:09:51,246 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-01 06:09:51,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-01 06:09:51,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-01 06:09:51,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-01 06:09:51,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 06:09:51" (1/1) ... [2021-05-01 06:09:51,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50bbc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:09:51, skipping insertion in model container [2021-05-01 06:09:51,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 06:09:51" (1/1) ... [2021-05-01 06:09:51,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-01 06:09:51,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-01 06:09:51,379 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/ps5-ll_unwindbound2.c[458,471] [2021-05-01 06:09:51,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 06:09:51,409 INFO L203 MainTranslator]: Completed pre-run [2021-05-01 06:09:51,458 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/ps5-ll_unwindbound2.c[458,471] [2021-05-01 06:09:51,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 06:09:51,491 INFO L208 MainTranslator]: Completed translation [2021-05-01 06:09:51,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:09:51 WrapperNode [2021-05-01 06:09:51,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-01 06:09:51,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-01 06:09:51,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-01 06:09:51,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-01 06:09:51,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:09:51" (1/1) ... [2021-05-01 06:09:51,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:09:51" (1/1) ... [2021-05-01 06:09:51,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:09:51" (1/1) ... [2021-05-01 06:09:51,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:09:51" (1/1) ... [2021-05-01 06:09:51,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:09:51" (1/1) ... [2021-05-01 06:09:51,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:09:51" (1/1) ... [2021-05-01 06:09:51,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:09:51" (1/1) ... [2021-05-01 06:09:51,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-01 06:09:51,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-01 06:09:51,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-01 06:09:51,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-01 06:09:51,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:09:51" (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 [2021-05-01 06:09:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-01 06:09:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-01 06:09:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-01 06:09:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-01 06:09:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-01 06:09:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-01 06:09:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-01 06:09:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-01 06:09:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-01 06:09:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-01 06:09:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2021-05-01 06:09:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-01 06:09:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-01 06:09:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-01 06:09:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-01 06:09:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-01 06:09:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-01 06:09:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-01 06:09:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-01 06:09:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-01 06:09:51,856 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-01 06:09:51,857 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-01 06:09:51,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 06:09:51 BoogieIcfgContainer [2021-05-01 06:09:51,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-01 06:09:51,859 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-01 06:09:51,859 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-01 06:09:51,860 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-01 06:09:51,862 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 06:09:51" (1/1) ... [2021-05-01 06:09:51,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 06:09:51 BasicIcfg [2021-05-01 06:09:51,893 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-01 06:09:51,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-01 06:09:51,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-01 06:09:51,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-01 06:09:51,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 06:09:51" (1/4) ... [2021-05-01 06:09:51,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28df4cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 06:09:51, skipping insertion in model container [2021-05-01 06:09:51,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 06:09:51" (2/4) ... [2021-05-01 06:09:51,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28df4cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 06:09:51, skipping insertion in model container [2021-05-01 06:09:51,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 06:09:51" (3/4) ... [2021-05-01 06:09:51,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28df4cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 06:09:51, skipping insertion in model container [2021-05-01 06:09:51,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 06:09:51" (4/4) ... [2021-05-01 06:09:51,910 INFO L111 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound2.cJordan [2021-05-01 06:09:51,915 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-01 06:09:51,919 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-01 06:09:51,933 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-01 06:09:51,974 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-01 06:09:51,975 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-01 06:09:51,975 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-01 06:09:51,975 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-01 06:09:51,975 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-01 06:09:51,975 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-01 06:09:51,975 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-01 06:09:51,975 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-01 06:09:51,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 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) [2021-05-01 06:09:51,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-05-01 06:09:51,994 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 06:09:51,994 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 06:09:51,995 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 06:09:51,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 06:09:51,999 INFO L82 PathProgramCache]: Analyzing trace with hash 843387237, now seen corresponding path program 1 times [2021-05-01 06:09:52,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 06:09:52,007 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913661381] [2021-05-01 06:09:52,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 06:09:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:09:52,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 06:09:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:09:52,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-01 06:09:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:09:52,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 06:09:52,187 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 06:09:52,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913661381] [2021-05-01 06:09:52,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913661381] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 06:09:52,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 06:09:52,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-01 06:09:52,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998632870] [2021-05-01 06:09:52,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-01 06:09:52,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 06:09:52,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-01 06:09:52,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-01 06:09:52,206 INFO L87 Difference]: Start difference. First operand has 29 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-01 06:09:52,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 06:09:52,279 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2021-05-01 06:09:52,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-01 06:09:52,281 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2021-05-01 06:09:52,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 06:09:52,287 INFO L225 Difference]: With dead ends: 30 [2021-05-01 06:09:52,288 INFO L226 Difference]: Without dead ends: 25 [2021-05-01 06:09:52,289 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-01 06:09:52,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-05-01 06:09:52,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2021-05-01 06:09:52,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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) [2021-05-01 06:09:52,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-05-01 06:09:52,317 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 17 [2021-05-01 06:09:52,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 06:09:52,318 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-05-01 06:09:52,318 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-01 06:09:52,318 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-05-01 06:09:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-05-01 06:09:52,319 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 06:09:52,319 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 06:09:52,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-01 06:09:52,319 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 06:09:52,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 06:09:52,320 INFO L82 PathProgramCache]: Analyzing trace with hash 208087835, now seen corresponding path program 1 times [2021-05-01 06:09:52,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 06:09:52,321 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998561471] [2021-05-01 06:09:52,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 06:09:52,339 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-01 06:09:52,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [917555438] [2021-05-01 06:09:52,340 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 [2021-05-01 06:09:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:09:52,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core [2021-05-01 06:09:52,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 06:09:52,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:52,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:52,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-05-01 06:09:52,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:52,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:52,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:52,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-05-01 06:09:52,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:52,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:52,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:52,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:09:52,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:52,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:52,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:09:52,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:52,616 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-05-01 06:09:52,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 06:09:52,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 06:09:52,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998561471] [2021-05-01 06:09:52,640 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-01 06:09:52,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917555438] [2021-05-01 06:09:52,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917555438] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 06:09:52,640 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 06:09:52,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-01 06:09:52,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366891009] [2021-05-01 06:09:52,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-01 06:09:52,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 06:09:52,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-01 06:09:52,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-01 06:09:52,647 INFO L87 Difference]: Start difference. First operand 24 states and 27 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-05-01 06:09:52,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 06:09:52,667 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2021-05-01 06:09:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-01 06:09:52,668 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2021-05-01 06:09:52,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 06:09:52,668 INFO L225 Difference]: With dead ends: 26 [2021-05-01 06:09:52,668 INFO L226 Difference]: Without dead ends: 26 [2021-05-01 06:09:52,669 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-01 06:09:52,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-05-01 06:09:52,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-05-01 06:09:52,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 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) [2021-05-01 06:09:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2021-05-01 06:09:52,673 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 18 [2021-05-01 06:09:52,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 06:09:52,673 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2021-05-01 06:09:52,673 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-05-01 06:09:52,674 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2021-05-01 06:09:52,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-05-01 06:09:52,674 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 06:09:52,674 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 06:09:52,895 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-01 06:09:52,896 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 06:09:52,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 06:09:52,897 INFO L82 PathProgramCache]: Analyzing trace with hash 209190102, now seen corresponding path program 1 times [2021-05-01 06:09:52,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 06:09:52,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188654611] [2021-05-01 06:09:52,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 06:09:52,912 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-01 06:09:52,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138638000] [2021-05-01 06:09:52,913 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 [2021-05-01 06:09:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:09:52,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 15 conjunts are in the unsatisfiable core [2021-05-01 06:09:52,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 06:09:52,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:52,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:52,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:09:53,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:53,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:53,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:53,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:53,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:53,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:53,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:53,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 06:09:53,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:53,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 06:09:53,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:53,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,070 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-05-01 06:09:53,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 06:09:53,074 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 06:09:53,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188654611] [2021-05-01 06:09:53,074 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-01 06:09:53,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138638000] [2021-05-01 06:09:53,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138638000] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 06:09:53,074 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 06:09:53,074 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-01 06:09:53,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973927701] [2021-05-01 06:09:53,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-01 06:09:53,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 06:09:53,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-01 06:09:53,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-05-01 06:09:53,076 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-01 06:09:53,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 06:09:53,157 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2021-05-01 06:09:53,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-01 06:09:53,158 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2021-05-01 06:09:53,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 06:09:53,160 INFO L225 Difference]: With dead ends: 34 [2021-05-01 06:09:53,160 INFO L226 Difference]: Without dead ends: 32 [2021-05-01 06:09:53,161 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 42.1ms TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-05-01 06:09:53,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-05-01 06:09:53,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-05-01 06:09:53,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-01 06:09:53,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2021-05-01 06:09:53,171 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 18 [2021-05-01 06:09:53,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 06:09:53,172 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2021-05-01 06:09:53,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-01 06:09:53,172 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2021-05-01 06:09:53,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-05-01 06:09:53,173 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 06:09:53,173 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 06:09:53,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 06:09:53,396 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 06:09:53,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 06:09:53,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1223799235, now seen corresponding path program 1 times [2021-05-01 06:09:53,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 06:09:53,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610936863] [2021-05-01 06:09:53,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 06:09:53,411 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-01 06:09:53,412 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [460519957] [2021-05-01 06:09:53,412 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 [2021-05-01 06:09:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:09:53,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-01 06:09:53,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 06:09:53,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:53,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-05-01 06:09:53,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:53,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:53,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-05-01 06:09:53,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:53,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:53,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 06:09:53,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:53,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:53,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 06:09:53,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 06:09:53,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:53,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:09:53,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:53,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:53,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:09:53,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:53,613 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-05-01 06:09:53,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:53,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:53,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 06:09:53,624 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 06:09:53,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610936863] [2021-05-01 06:09:53,624 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-01 06:09:53,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460519957] [2021-05-01 06:09:53,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460519957] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-01 06:09:53,625 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-01 06:09:53,625 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-05-01 06:09:53,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324349216] [2021-05-01 06:09:53,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-01 06:09:53,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 06:09:53,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-01 06:09:53,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-05-01 06:09:53,626 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-01 06:09:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 06:09:53,664 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2021-05-01 06:09:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-01 06:09:53,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 26 [2021-05-01 06:09:53,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 06:09:53,666 INFO L225 Difference]: With dead ends: 34 [2021-05-01 06:09:53,666 INFO L226 Difference]: Without dead ends: 34 [2021-05-01 06:09:53,668 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 17.6ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-05-01 06:09:53,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-05-01 06:09:53,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-05-01 06:09:53,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-01 06:09:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2021-05-01 06:09:53,678 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 26 [2021-05-01 06:09:53,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 06:09:53,678 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2021-05-01 06:09:53,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-01 06:09:53,679 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2021-05-01 06:09:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-05-01 06:09:53,679 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 06:09:53,680 INFO L519 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] [2021-05-01 06:09:53,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 06:09:53,904 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 06:09:53,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 06:09:53,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1222696968, now seen corresponding path program 1 times [2021-05-01 06:09:53,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 06:09:53,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845544029] [2021-05-01 06:09:53,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 06:09:53,915 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-01 06:09:53,916 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [477603903] [2021-05-01 06:09:53,916 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 [2021-05-01 06:09:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:09:54,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-01 06:09:54,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 06:09:54,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:54,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:54,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:54,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:54,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:09:54,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:54,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:54,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:54,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:54,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:54,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:54,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:54,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 06:09:54,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:54,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 06:09:54,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:54,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,075 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-05-01 06:09:54,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:54,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:54,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:54,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:54,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:54,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:54,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:54,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:54,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:54,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:54,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:54,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:54,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:54,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:54,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:54,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:54,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:54,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:54,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:54,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:54,130 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-05-01 06:09:54,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:54,132 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 06:09:54,133 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 06:09:54,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845544029] [2021-05-01 06:09:54,133 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-01 06:09:54,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477603903] [2021-05-01 06:09:54,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477603903] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-01 06:09:54,133 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-01 06:09:54,133 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-05-01 06:09:54,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863759360] [2021-05-01 06:09:54,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-01 06:09:54,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 06:09:54,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-01 06:09:54,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-05-01 06:09:54,135 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-01 06:09:56,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 06:09:56,775 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2021-05-01 06:09:56,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-01 06:09:56,775 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (5), 2 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 26 [2021-05-01 06:09:56,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 06:09:56,776 INFO L225 Difference]: With dead ends: 42 [2021-05-01 06:09:56,776 INFO L226 Difference]: Without dead ends: 42 [2021-05-01 06:09:56,776 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 47.5ms TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-05-01 06:09:56,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-05-01 06:09:56,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2021-05-01 06:09:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 28 states have internal predecessors, (30), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-05-01 06:09:56,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2021-05-01 06:09:56,780 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 26 [2021-05-01 06:09:56,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 06:09:56,781 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2021-05-01 06:09:56,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-01 06:09:56,781 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2021-05-01 06:09:56,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-05-01 06:09:56,782 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 06:09:56,782 INFO L519 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 06:09:56,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 06:09:56,985 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 06:09:56,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 06:09:56,985 INFO L82 PathProgramCache]: Analyzing trace with hash -688312481, now seen corresponding path program 2 times [2021-05-01 06:09:56,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 06:09:56,986 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50778070] [2021-05-01 06:09:56,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 06:09:56,996 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-01 06:09:56,996 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1534985070] [2021-05-01 06:09:56,996 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 [2021-05-01 06:09:57,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-01 06:09:57,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-01 06:09:57,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 28 conjunts are in the unsatisfiable core [2021-05-01 06:09:57,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 06:09:57,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:09:57,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-05-01 06:09:57,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-05-01 06:09:57,256 INFO L142 QuantifierPusher]: treesize reduction 8, result has 81.4 percent of original size [2021-05-01 06:09:57,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-05-01 06:09:57,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-05-01 06:09:57,263 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-05-01 06:09:57,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:57,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:57,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:57,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:57,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:57,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:57,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:57,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:57,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:57,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:57,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:57,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 06:09:57,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:09:57,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-05-01 06:09:57,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-05-01 06:09:57,298 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.0 percent of original size [2021-05-01 06:09:57,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-05-01 06:09:57,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-05-01 06:09:57,309 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-05-01 06:09:57,311 INFO L147 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size 13 [2021-05-01 06:09:57,312 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-05-01 06:09:57,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,365 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-05-01 06:09:57,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,368 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-01 06:09:57,368 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 06:09:57,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50778070] [2021-05-01 06:09:57,368 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-01 06:09:57,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534985070] [2021-05-01 06:09:57,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534985070] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-01 06:09:57,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-01 06:09:57,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-05-01 06:09:57,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239084612] [2021-05-01 06:09:57,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-01 06:09:57,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 06:09:57,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-01 06:09:57,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-05-01 06:09:57,370 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-01 06:09:57,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 06:09:57,510 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2021-05-01 06:09:57,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-01 06:09:57,511 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 34 [2021-05-01 06:09:57,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 06:09:57,513 INFO L225 Difference]: With dead ends: 52 [2021-05-01 06:09:57,513 INFO L226 Difference]: Without dead ends: 52 [2021-05-01 06:09:57,513 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 83.8ms TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-05-01 06:09:57,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-05-01 06:09:57,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2021-05-01 06:09:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.1875) internal successors, (38), 35 states have internal predecessors, (38), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-05-01 06:09:57,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2021-05-01 06:09:57,530 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 34 [2021-05-01 06:09:57,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 06:09:57,531 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2021-05-01 06:09:57,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-01 06:09:57,532 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2021-05-01 06:09:57,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-05-01 06:09:57,534 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 06:09:57,534 INFO L519 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 06:09:57,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-05-01 06:09:57,735 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 06:09:57,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 06:09:57,736 INFO L82 PathProgramCache]: Analyzing trace with hash 96926796, now seen corresponding path program 1 times [2021-05-01 06:09:57,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 06:09:57,736 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572842121] [2021-05-01 06:09:57,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 06:09:57,748 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-01 06:09:57,748 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [107045182] [2021-05-01 06:09:57,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-05-01 06:09:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 06:09:57,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 20 conjunts are in the unsatisfiable core [2021-05-01 06:09:57,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 06:09:57,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:09:57,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 06:09:57,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 06:09:57,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:57,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:57,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 06:09:57,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:57,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:57,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:57,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:57,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:57,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-05-01 06:09:57,949 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-05-01 06:09:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-05-01 06:09:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:57,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-05-01 06:09:57,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,959 INFO L147 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size 10 [2021-05-01 06:09:57,960 INFO L142 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-05-01 06:09:57,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:57,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:09:57,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:57,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:57,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-05-01 06:09:57,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:57,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 06:09:57,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:57,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:57,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 06:09:58,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-05-01 06:09:58,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:58,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:58,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:58,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 06:09:58,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-05-01 06:09:58,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:58,011 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-05-01 06:09:58,024 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:58,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 06:09:58,025 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size [2021-05-01 06:09:58,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:58,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:58,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:58,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:58,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:58,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 06:09:58,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:58,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:58,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:58,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:58,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:58,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 06:09:58,048 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-05-01 06:09:58,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:58,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:58,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:58,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:58,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:58,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 06:09:58,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 06:09:58,052 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-01 06:09:58,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 06:09:58,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572842121] [2021-05-01 06:09:58,052 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-01 06:09:58,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107045182] [2021-05-01 06:09:58,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107045182] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-01 06:09:58,052 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-01 06:09:58,052 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-05-01 06:09:58,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795928338] [2021-05-01 06:09:58,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-01 06:09:58,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 06:09:58,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-01 06:09:58,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-05-01 06:09:58,054 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-01 06:09:58,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 06:09:58,155 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2021-05-01 06:09:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-01 06:09:58,155 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 37 [2021-05-01 06:09:58,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 06:09:58,158 INFO L225 Difference]: With dead ends: 55 [2021-05-01 06:09:58,158 INFO L226 Difference]: Without dead ends: 49 [2021-05-01 06:09:58,159 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 81.9ms TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-05-01 06:09:58,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-05-01 06:09:58,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-05-01 06:09:58,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.15625) internal successors, (37), 34 states have internal predecessors, (37), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-05-01 06:09:58,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2021-05-01 06:09:58,177 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 37 [2021-05-01 06:09:58,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 06:09:58,177 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2021-05-01 06:09:58,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-05-01 06:09:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2021-05-01 06:09:58,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-01 06:09:58,179 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 06:09:58,180 INFO L519 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 06:09:58,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 06:09:58,397 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 06:09:58,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 06:09:58,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1336575769, now seen corresponding path program 1 times [2021-05-01 06:09:58,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 06:09:58,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493820731] [2021-05-01 06:09:58,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 06:09:58,410 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-01 06:09:58,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [272848867] [2021-05-01 06:09:58,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-05-01 06:09:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-01 06:09:58,550 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-01 06:09:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-01 06:09:58,595 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-01 06:09:58,640 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-01 06:09:58,641 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-05-01 06:09:58,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 06:09:58,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 06:09:58 BasicIcfg [2021-05-01 06:09:58,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-01 06:09:58,896 INFO L168 Benchmark]: Toolchain (without parser) took 7650.04 ms. Allocated memory was 198.2 MB in the beginning and 239.1 MB in the end (delta: 40.9 MB). Free memory was 163.3 MB in the beginning and 103.6 MB in the end (delta: 59.7 MB). Peak memory consumption was 101.6 MB. Max. memory is 8.0 GB. [2021-05-01 06:09:58,896 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 198.2 MB. Free memory is still 180.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-01 06:09:58,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.19 ms. Allocated memory is still 198.2 MB. Free memory was 163.1 MB in the beginning and 181.2 MB in the end (delta: -18.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. [2021-05-01 06:09:58,896 INFO L168 Benchmark]: Boogie Preprocessor took 34.03 ms. Allocated memory is still 198.2 MB. Free memory was 181.2 MB in the beginning and 179.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-05-01 06:09:58,896 INFO L168 Benchmark]: RCFGBuilder took 330.56 ms. Allocated memory is still 198.2 MB. Free memory was 179.4 MB in the beginning and 165.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-05-01 06:09:58,896 INFO L168 Benchmark]: IcfgTransformer took 34.06 ms. Allocated memory is still 198.2 MB. Free memory was 165.1 MB in the beginning and 163.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-01 06:09:58,897 INFO L168 Benchmark]: TraceAbstraction took 7001.27 ms. Allocated memory was 198.2 MB in the beginning and 239.1 MB in the end (delta: 40.9 MB). Free memory was 163.5 MB in the beginning and 103.6 MB in the end (delta: 59.9 MB). Peak memory consumption was 102.3 MB. Max. memory is 8.0 GB. [2021-05-01 06:09:58,897 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 198.2 MB. Free memory is still 180.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 242.19 ms. Allocated memory is still 198.2 MB. Free memory was 163.1 MB in the beginning and 181.2 MB in the end (delta: -18.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 34.03 ms. Allocated memory is still 198.2 MB. Free memory was 181.2 MB in the beginning and 179.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 330.56 ms. Allocated memory is still 198.2 MB. Free memory was 179.4 MB in the beginning and 165.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * IcfgTransformer took 34.06 ms. Allocated memory is still 198.2 MB. Free memory was 165.1 MB in the beginning and 163.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7001.27 ms. Allocated memory was 198.2 MB in the beginning and 239.1 MB in the end (delta: 40.9 MB). Free memory was 163.5 MB in the beginning and 103.6 MB in the end (delta: 59.9 MB). Peak memory consumption was 102.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; VAL [\old(counter)=15, counter=0] [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L22] CALL assume_abort_if_not(k <= 256) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L7] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L22] RET assume_abort_if_not(k <= 256) VAL [\old(counter)=0, counter=0, k=3] [L24] y = 0 [L25] x = 0 [L26] c = 0 VAL [\old(counter)=0, c=0, counter=0, k=3, x=0, y=0] [L28] EXPR counter++ VAL [\old(counter)=0, c=0, counter=1, counter++=0, k=3, x=0, y=0] [L28] COND TRUE counter++<2 [L29] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L29] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(counter)=0, c=0, counter=1, k=3, x=0, y=0] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y + x VAL [\old(counter)=0, c=1, counter=1, k=3, x=1, y=1] [L28] EXPR counter++ VAL [\old(counter)=0, c=1, counter=2, counter++=1, k=3, x=1, y=1] [L28] COND TRUE counter++<2 [L29] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=2] [L29] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(counter)=0, c=1, counter=2, k=3, x=1, y=1] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y + x VAL [\old(counter)=0, c=2, counter=2, k=3, x=17, y=2] [L28] EXPR counter++ VAL [\old(counter)=0, c=2, counter=3, counter++=2, k=3, x=17, y=2] [L28] COND FALSE !(counter++<2) [L39] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=3] [L39] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(counter)=0, c=2, counter=3, k=3, x=17, y=2] [L40] CALL __VERIFIER_assert(k*y == y*y) VAL [\old(cond)=0, \old(counter)=0, counter=3] [L10] COND TRUE !(cond) VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=3] [L12] reach_error() VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6873.0ms, OverallIterations: 8, TraceHistogramMax: 4, EmptinessCheckTime: 17.3ms, AutomataDifference: 3136.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 190 SDtfs, 64 SDslu, 662 SDs, 0 SdLazy, 328 SolverSat, 24 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2830.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 126 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 319.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=6, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 77.9ms AutomataMinimizationTime, 7 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 75.6ms SsaConstructionTime, 473.2ms SatisfiabilityAnalysisTime, 1094.9ms InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 598 SizeOfPredicates, 15 NumberOfNonLiveVariables, 808 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 28/47 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...