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_spec3_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:31,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:31,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:31,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:31,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:31,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:31,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:31,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:31,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:31,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:31,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:31,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:31,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:31,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:31,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:31,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:31,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:31,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:31,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:31,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:31,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:31,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:31,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:31,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:31,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:31,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:31,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:31,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:31,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:31,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:31,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:31,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:31,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:31,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:31,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:31,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:31,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:31,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:31,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:31,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:31,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:31,887 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 [2019-10-14 23:21:31,908 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:31,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:31,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:31,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:31,910 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:31,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:31,911 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:31,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:31,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:31,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:31,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:31,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:31,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:31,913 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:31,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:31,913 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:31,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:31,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:31,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:31,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:31,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:31,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:31,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:31,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:31,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:31,915 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:31,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:31,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:31,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:32,189 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:32,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:32,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:32,207 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:32,207 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:32,208 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product03.cil.c [2019-10-14 23:21:32,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3563e2c/96dc4c16cadb4abcbcb083ec3dfdf8a2/FLAG490282a5c [2019-10-14 23:21:32,876 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:32,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product03.cil.c [2019-10-14 23:21:32,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3563e2c/96dc4c16cadb4abcbcb083ec3dfdf8a2/FLAG490282a5c [2019-10-14 23:21:33,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3563e2c/96dc4c16cadb4abcbcb083ec3dfdf8a2 [2019-10-14 23:21:33,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:33,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:33,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:33,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:33,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:33,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:33" (1/1) ... [2019-10-14 23:21:33,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbec2a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:33, skipping insertion in model container [2019-10-14 23:21:33,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:33" (1/1) ... [2019-10-14 23:21:33,134 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:33,222 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:33,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:33,929 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:34,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:34,248 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:34,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:34 WrapperNode [2019-10-14 23:21:34,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:34,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:34,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:34,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:34,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:34" (1/1) ... [2019-10-14 23:21:34,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:34" (1/1) ... [2019-10-14 23:21:34,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:34" (1/1) ... [2019-10-14 23:21:34,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:34" (1/1) ... [2019-10-14 23:21:34,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:34" (1/1) ... [2019-10-14 23:21:34,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:34" (1/1) ... [2019-10-14 23:21:34,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:34" (1/1) ... [2019-10-14 23:21:34,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:34,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:34,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:34,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:34,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:34" (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 [2019-10-14 23:21:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:21:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:21:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__base [2019-10-14 23:21:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__base [2019-10-14 23:21:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:21:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:21:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:21:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:21:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:21:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:21:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__base [2019-10-14 23:21:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__base [2019-10-14 23:21:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:36,954 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:36,955 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:36,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:36 BoogieIcfgContainer [2019-10-14 23:21:36,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:36,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:36,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:36,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:36,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:33" (1/3) ... [2019-10-14 23:21:36,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f846e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:36, skipping insertion in model container [2019-10-14 23:21:36,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:34" (2/3) ... [2019-10-14 23:21:36,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f846e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:36, skipping insertion in model container [2019-10-14 23:21:36,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:36" (3/3) ... [2019-10-14 23:21:36,966 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product03.cil.c [2019-10-14 23:21:36,975 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:36,986 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:37,000 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:37,067 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:37,067 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:37,068 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:37,068 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:37,068 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:37,068 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:37,068 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:37,068 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:37,119 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states. [2019-10-14 23:21:37,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-14 23:21:37,154 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:37,156 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:21:37,160 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:37,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:37,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1710974497, now seen corresponding path program 1 times [2019-10-14 23:21:37,176 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:37,176 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720814412] [2019-10-14 23:21:37,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:37,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:37,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:38,778 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-10-14 23:21:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,033 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:21:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,181 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:21:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-14 23:21:39,626 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720814412] [2019-10-14 23:21:39,627 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:39,627 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:21:39,628 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743317580] [2019-10-14 23:21:39,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:21:39,633 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:39,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:21:39,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:21:39,653 INFO L87 Difference]: Start difference. First operand 769 states. Second operand 13 states. [2019-10-14 23:21:41,164 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-14 23:21:42,218 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:21:43,032 WARN L191 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:21:43,845 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:21:44,752 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:21:45,575 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2019-10-14 23:21:48,889 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-10-14 23:22:06,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:22:06,648 INFO L93 Difference]: Finished difference Result 1538 states and 2705 transitions. [2019-10-14 23:22:06,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-14 23:22:06,650 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 141 [2019-10-14 23:22:06,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:22:06,684 INFO L225 Difference]: With dead ends: 1538 [2019-10-14 23:22:06,684 INFO L226 Difference]: Without dead ends: 923 [2019-10-14 23:22:06,699 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2019-10-14 23:22:06,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2019-10-14 23:22:06,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 615. [2019-10-14 23:22:06,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2019-10-14 23:22:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 984 transitions. [2019-10-14 23:22:06,956 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 984 transitions. Word has length 141 [2019-10-14 23:22:06,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:22:06,957 INFO L462 AbstractCegarLoop]: Abstraction has 615 states and 984 transitions. [2019-10-14 23:22:06,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-14 23:22:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 984 transitions. [2019-10-14 23:22:06,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-14 23:22:06,963 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:06,964 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:22:06,964 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:06,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:06,964 INFO L82 PathProgramCache]: Analyzing trace with hash 896936914, now seen corresponding path program 1 times [2019-10-14 23:22:06,965 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:06,965 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221352015] [2019-10-14 23:22:06,965 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:06,965 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:06,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:07,821 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-10-14 23:22:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,000 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:22:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,132 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:22:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:08,362 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-14 23:22:08,363 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221352015] [2019-10-14 23:22:08,363 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:22:08,363 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:22:08,364 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770123370] [2019-10-14 23:22:08,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:22:08,366 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:22:08,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:22:08,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:22:08,367 INFO L87 Difference]: Start difference. First operand 615 states and 984 transitions. Second operand 10 states. [2019-10-14 23:22:10,102 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-10-14 23:22:10,860 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:22:12,932 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-10-14 23:22:13,175 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112