/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:35:45,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:35:45,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:35:45,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:35:45,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:35:45,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:35:45,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:35:45,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:35:45,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:35:45,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:35:45,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:35:45,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:35:45,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:35:45,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:35:45,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:35:45,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:35:45,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:35:45,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:35:45,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:35:45,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:35:45,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:35:45,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:35:45,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:35:45,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:35:45,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:35:45,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:35:45,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:35:45,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:35:45,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:35:45,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:35:45,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:35:45,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:35:45,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:35:45,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:35:45,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:35:45,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:35:45,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:35:45,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:35:45,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:35:45,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:35:45,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:35:45,800 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:35:45,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:35:45,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:35:45,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:35:45,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:35:45,819 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:35:45,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:35:45,819 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:35:45,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:35:45,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:35:45,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:35:45,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:35:45,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:35:45,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:35:45,821 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:35:45,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:35:45,821 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:35:45,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:35:45,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:35:45,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:35:45,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:35:45,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:35:45,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:35:45,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:35:45,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:35:45,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:35:45,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:35:45,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:35:45,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:35:45,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:35:46,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:35:46,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:35:46,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:35:46,112 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:35:46,112 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:35:46,113 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product26.cil.c [2019-11-06 21:35:46,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c001de8ec/6152ff3fe93442ddad99f00b43ad2fa3/FLAG46a86665e [2019-11-06 21:35:46,803 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:35:46,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product26.cil.c [2019-11-06 21:35:46,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c001de8ec/6152ff3fe93442ddad99f00b43ad2fa3/FLAG46a86665e [2019-11-06 21:35:46,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c001de8ec/6152ff3fe93442ddad99f00b43ad2fa3 [2019-11-06 21:35:46,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:35:46,953 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:35:46,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:35:46,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:35:46,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:35:46,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:35:46" (1/1) ... [2019-11-06 21:35:46,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caa1688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:46, skipping insertion in model container [2019-11-06 21:35:46,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:35:46" (1/1) ... [2019-11-06 21:35:46,966 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:35:47,031 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:35:47,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:35:47,754 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:35:47,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:35:47,935 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:35:47,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:47 WrapperNode [2019-11-06 21:35:47,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:35:47,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:35:47,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:35:47,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:35:47,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:47" (1/1) ... [2019-11-06 21:35:47,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:47" (1/1) ... [2019-11-06 21:35:47,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:47" (1/1) ... [2019-11-06 21:35:47,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:47" (1/1) ... [2019-11-06 21:35:48,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:47" (1/1) ... [2019-11-06 21:35:48,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:47" (1/1) ... [2019-11-06 21:35:48,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:47" (1/1) ... [2019-11-06 21:35:48,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:35:48,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:35:48,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:35:48,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:35:48,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:47" (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 [2019-11-06 21:35:48,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:35:48,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:35:48,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:35:48,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:35:48,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:35:48,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:35:48,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:35:48,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:35:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:35:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:35:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-11-06 21:35:48,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-11-06 21:35:48,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-11-06 21:35:48,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-11-06 21:35:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:35:48,215 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:35:48,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:35:48,218 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:35:48,218 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:35:48,218 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:35:48,218 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-11-06 21:35:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:35:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:35:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:35:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:35:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:35:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:35:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:35:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:35:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:35:48,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:35:48,221 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:35:48,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:35:48,221 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:35:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:35:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:35:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:35:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2019-11-06 21:35:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:35:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2019-11-06 21:35:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:35:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:35:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:35:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:35:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:35:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:35:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:35:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:35:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:35:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:35:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:35:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:35:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:35:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:35:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:35:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:35:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:35:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:35:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:35:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:35:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:35:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:35:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:35:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:35:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:35:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:35:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:35:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:35:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:35:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:35:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:35:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:35:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:35:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:35:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:35:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:35:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:35:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:35:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:35:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:35:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:35:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:35:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:35:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:35:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:35:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:35:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:35:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:35:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:35:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:35:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:35:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:35:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:35:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:35:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:35:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:35:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:35:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:35:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:35:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:35:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:35:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:35:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:35:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-11-06 21:35:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-11-06 21:35:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-11-06 21:35:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-11-06 21:35:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:35:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:35:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:35:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:35:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:35:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:35:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:35:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:35:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:35:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:35:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:35:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:35:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:35:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:35:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:35:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:35:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:35:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:35:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:35:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:35:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-11-06 21:35:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:35:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:35:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:35:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:35:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:35:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:35:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:35:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:35:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:35:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:35:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2019-11-06 21:35:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2019-11-06 21:35:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:35:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:35:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:35:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:35:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:35:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:35:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:35:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:35:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:35:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:35:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:35:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:35:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:35:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:35:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:35:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:35:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:35:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:35:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:35:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:35:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:35:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:35:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:35:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:35:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:35:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:35:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:35:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:35:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:35:50,645 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:35:50,645 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:35:50,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:35:50 BoogieIcfgContainer [2019-11-06 21:35:50,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:35:50,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:35:50,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:35:50,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:35:50,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:35:46" (1/3) ... [2019-11-06 21:35:50,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b095f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:35:50, skipping insertion in model container [2019-11-06 21:35:50,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:47" (2/3) ... [2019-11-06 21:35:50,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b095f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:35:50, skipping insertion in model container [2019-11-06 21:35:50,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:35:50" (3/3) ... [2019-11-06 21:35:50,656 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product26.cil.c [2019-11-06 21:35:50,667 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:35:50,680 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:35:50,692 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:35:50,737 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:35:50,737 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:35:50,737 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:35:50,737 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:35:50,737 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:35:50,737 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:35:50,737 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:35:50,738 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:35:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states. [2019-11-06 21:35:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-06 21:35:50,800 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:35:50,801 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:35:50,803 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:35:50,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:35:50,809 INFO L82 PathProgramCache]: Analyzing trace with hash 750707123, now seen corresponding path program 1 times [2019-11-06 21:35:50,819 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:35:50,819 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433153376] [2019-11-06 21:35:50,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:35:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:52,373 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2019-11-06 21:35:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:52,657 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-06 21:35:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:52,901 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:35:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:35:53,086 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433153376] [2019-11-06 21:35:53,087 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:35:53,087 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:35:53,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146229502] [2019-11-06 21:35:53,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:35:53,094 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:35:53,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:35:53,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:35:53,110 INFO L87 Difference]: Start difference. First operand 765 states. Second operand 9 states. [2019-11-06 21:35:54,964 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-11-06 21:35:55,852 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-11-06 21:35:57,150 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 21:36:13,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:36:13,837 INFO L93 Difference]: Finished difference Result 1630 states and 2844 transitions. [2019-11-06 21:36:13,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-06 21:36:13,839 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2019-11-06 21:36:13,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:36:13,873 INFO L225 Difference]: With dead ends: 1630 [2019-11-06 21:36:13,873 INFO L226 Difference]: Without dead ends: 1036 [2019-11-06 21:36:13,884 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:36:13,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2019-11-06 21:36:14,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 598. [2019-11-06 21:36:14,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2019-11-06 21:36:14,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 958 transitions. [2019-11-06 21:36:14,135 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 958 transitions. Word has length 87 [2019-11-06 21:36:14,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:36:14,135 INFO L462 AbstractCegarLoop]: Abstraction has 598 states and 958 transitions. [2019-11-06 21:36:14,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 21:36:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 958 transitions. [2019-11-06 21:36:14,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-06 21:36:14,143 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:36:14,143 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:36:14,143 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:36:14,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:36:14,144 INFO L82 PathProgramCache]: Analyzing trace with hash 773508994, now seen corresponding path program 1 times [2019-11-06 21:36:14,144 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:36:14,144 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875881422] [2019-11-06 21:36:14,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:36:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,133 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2019-11-06 21:36:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,466 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-06 21:36:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:36:15,765 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875881422] [2019-11-06 21:36:15,766 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:36:15,766 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:36:15,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810332653] [2019-11-06 21:36:15,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:36:15,768 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:36:15,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:36:15,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:36:15,769 INFO L87 Difference]: Start difference. First operand 598 states and 958 transitions. Second operand 9 states. [2019-11-06 21:36:17,619 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-11-06 21:36:18,493 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-11-06 21:36:19,845 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121