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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:31:16,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:31:16,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:31:16,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:31:16,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:31:16,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:31:16,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:31:16,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:31:16,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:31:16,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:31:16,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:31:16,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:31:16,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:31:16,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:31:16,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:31:16,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:31:16,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:31:16,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:31:16,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:31:16,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:31:16,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:31:16,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:31:16,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:31:16,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:31:16,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:31:16,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:31:16,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:31:16,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:31:16,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:31:16,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:31:16,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:31:16,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:31:16,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:31:16,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:31:16,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:31:16,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:31:16,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:31:16,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:31:16,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:31:16,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:31:16,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:31:16,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:31:16,083 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:31:16,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:31:16,084 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:31:16,084 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:31:16,085 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:31:16,085 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:31:16,085 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:31:16,085 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:31:16,086 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:31:16,086 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:31:16,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:31:16,087 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:31:16,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:31:16,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:31:16,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:31:16,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:31:16,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:31:16,089 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:31:16,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:31:16,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:31:16,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:31:16,090 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:31:16,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:31:16,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:31:16,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:31:16,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:31:16,091 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:31:16,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:31:16,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:31:16,093 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:31:16,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:31:16,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:31:16,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:31:16,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:31:16,170 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:31:16,171 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_productSimulator.cil.c [2019-09-10 02:31:16,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3206eff3e/fa4973a87897413d82d89b16936f0806/FLAGbde69a29b [2019-09-10 02:31:16,910 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:31:16,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_productSimulator.cil.c [2019-09-10 02:31:16,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3206eff3e/fa4973a87897413d82d89b16936f0806/FLAGbde69a29b [2019-09-10 02:31:17,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3206eff3e/fa4973a87897413d82d89b16936f0806 [2019-09-10 02:31:17,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:31:17,099 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:31:17,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:31:17,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:31:17,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:31:17,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:31:17" (1/1) ... [2019-09-10 02:31:17,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba0845d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:17, skipping insertion in model container [2019-09-10 02:31:17,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:31:17" (1/1) ... [2019-09-10 02:31:17,116 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:31:17,203 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:31:17,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:31:17,952 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:31:18,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:31:18,243 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:31:18,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:18 WrapperNode [2019-09-10 02:31:18,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:31:18,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:31:18,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:31:18,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:31:18,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:18" (1/1) ... [2019-09-10 02:31:18,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:18" (1/1) ... [2019-09-10 02:31:18,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:18" (1/1) ... [2019-09-10 02:31:18,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:18" (1/1) ... [2019-09-10 02:31:18,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:18" (1/1) ... [2019-09-10 02:31:18,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:18" (1/1) ... [2019-09-10 02:31:18,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:18" (1/1) ... [2019-09-10 02:31:18,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:31:18,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:31:18,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:31:18,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:31:18,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:18" (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 [2019-09-10 02:31:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:31:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:31:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:31:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:31:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:31:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:31:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:31:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:31:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:31:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:31:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:31:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:31:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:31:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:31:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:31:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:31:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-09-10 02:31:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-09-10 02:31:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-09-10 02:31:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-09-10 02:31:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-09-10 02:31:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-09-10 02:31:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-09-10 02:31:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-09-10 02:31:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-09-10 02:31:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-09-10 02:31:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-09-10 02:31:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-09-10 02:31:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-09-10 02:31:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2019-09-10 02:31:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2019-09-10 02:31:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-09-10 02:31:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2019-09-10 02:31:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2019-09-10 02:31:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-09-10 02:31:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2019-09-10 02:31:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2019-09-10 02:31:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2019-09-10 02:31:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2019-09-10 02:31:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-09-10 02:31:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-09-10 02:31:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-09-10 02:31:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-09-10 02:31:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-09-10 02:31:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-09-10 02:31:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-09-10 02:31:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-09-10 02:31:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-09-10 02:31:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-09-10 02:31:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2019-09-10 02:31:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2019-09-10 02:31:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2019-09-10 02:31:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2019-09-10 02:31:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-09-10 02:31:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-09-10 02:31:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-09-10 02:31:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-09-10 02:31:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-09-10 02:31:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-09-10 02:31:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-09-10 02:31:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-09-10 02:31:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-09-10 02:31:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-09-10 02:31:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2019-09-10 02:31:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2019-09-10 02:31:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:31:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2019-09-10 02:31:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2019-09-10 02:31:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-09-10 02:31:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-09-10 02:31:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-09-10 02:31:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-09-10 02:31:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-09-10 02:31:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-09-10 02:31:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-09-10 02:31:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-09-10 02:31:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-09-10 02:31:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-09-10 02:31:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-09-10 02:31:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-09-10 02:31:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-09-10 02:31:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-09-10 02:31:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:31:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-09-10 02:31:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-09-10 02:31:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-09-10 02:31:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:31:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-09-10 02:31:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:31:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:31:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:31:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-09-10 02:31:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-09-10 02:31:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-09-10 02:31:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:31:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:31:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:31:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:31:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:31:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:31:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:31:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:31:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:31:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:31:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:31:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:31:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:31:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:31:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:31:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:31:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:31:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:31:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:31:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:31:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:31:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:31:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:31:18,583 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:31:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-09-10 02:31:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-09-10 02:31:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:31:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:31:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-09-10 02:31:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-09-10 02:31:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:31:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-09-10 02:31:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-09-10 02:31:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-09-10 02:31:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-09-10 02:31:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-09-10 02:31:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-09-10 02:31:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-09-10 02:31:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-09-10 02:31:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-09-10 02:31:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-09-10 02:31:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-09-10 02:31:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:31:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-09-10 02:31:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-09-10 02:31:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-09-10 02:31:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:31:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-09-10 02:31:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-09-10 02:31:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-09-10 02:31:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-09-10 02:31:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-09-10 02:31:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-09-10 02:31:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-09-10 02:31:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-09-10 02:31:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-09-10 02:31:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-09-10 02:31:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2019-09-10 02:31:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2019-09-10 02:31:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2019-09-10 02:31:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2019-09-10 02:31:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2019-09-10 02:31:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2019-09-10 02:31:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2019-09-10 02:31:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2019-09-10 02:31:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-09-10 02:31:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-09-10 02:31:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-09-10 02:31:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-09-10 02:31:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-09-10 02:31:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2019-09-10 02:31:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2019-09-10 02:31:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2019-09-10 02:31:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2019-09-10 02:31:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-09-10 02:31:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-09-10 02:31:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-09-10 02:31:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-09-10 02:31:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-09-10 02:31:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-09-10 02:31:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-09-10 02:31:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-09-10 02:31:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-09-10 02:31:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2019-09-10 02:31:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2019-09-10 02:31:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2019-09-10 02:31:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2019-09-10 02:31:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-09-10 02:31:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-09-10 02:31:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-09-10 02:31:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-09-10 02:31:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-10 02:31:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-09-10 02:31:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-09-10 02:31:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-09-10 02:31:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-09-10 02:31:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-09-10 02:31:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-09-10 02:31:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-09-10 02:31:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-09-10 02:31:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-09-10 02:31:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:31:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-09-10 02:31:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:31:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:31:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:31:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:31:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:31:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:31:21,054 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:31:21,054 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-09-10 02:31:21,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:31:21 BoogieIcfgContainer [2019-09-10 02:31:21,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:31:21,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:31:21,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:31:21,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:31:21,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:31:17" (1/3) ... [2019-09-10 02:31:21,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4577c70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:31:21, skipping insertion in model container [2019-09-10 02:31:21,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:18" (2/3) ... [2019-09-10 02:31:21,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4577c70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:31:21, skipping insertion in model container [2019-09-10 02:31:21,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:31:21" (3/3) ... [2019-09-10 02:31:21,067 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_productSimulator.cil.c [2019-09-10 02:31:21,077 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:31:21,089 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:31:21,107 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:31:21,141 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:31:21,141 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:31:21,141 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:31:21,141 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:31:21,142 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:31:21,142 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:31:21,142 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:31:21,142 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:31:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states. [2019-09-10 02:31:21,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-10 02:31:21,223 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:31:21,225 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 02:31:21,227 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:31:21,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:31:21,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1052026056, now seen corresponding path program 1 times [2019-09-10 02:31:21,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:31:21,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:31:21,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:31:21,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:31:21,274 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:31:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:31:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-09-10 02:31:21,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:31:21,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:31:21,958 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:31:21,965 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:31:21,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:31:21,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:31:21,983 INFO L87 Difference]: Start difference. First operand 927 states. Second operand 6 states. [2019-09-10 02:31:22,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:31:22,182 INFO L93 Difference]: Finished difference Result 778 states and 1195 transitions. [2019-09-10 02:31:22,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:31:22,184 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2019-09-10 02:31:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:31:22,228 INFO L225 Difference]: With dead ends: 778 [2019-09-10 02:31:22,228 INFO L226 Difference]: Without dead ends: 761 [2019-09-10 02:31:22,234 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:31:22,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2019-09-10 02:31:22,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 761. [2019-09-10 02:31:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 761 states. [2019-09-10 02:31:22,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1174 transitions. [2019-09-10 02:31:22,399 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1174 transitions. Word has length 150 [2019-09-10 02:31:22,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:31:22,401 INFO L475 AbstractCegarLoop]: Abstraction has 761 states and 1174 transitions. [2019-09-10 02:31:22,401 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:31:22,401 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1174 transitions. [2019-09-10 02:31:22,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-09-10 02:31:22,407 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:31:22,408 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 02:31:22,408 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:31:22,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:31:22,408 INFO L82 PathProgramCache]: Analyzing trace with hash 716196849, now seen corresponding path program 1 times [2019-09-10 02:31:22,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:31:22,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:31:22,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:31:22,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:31:22,410 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:31:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:31:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-09-10 02:31:22,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:31:22,643 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:31:22,644 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2019-09-10 02:31:22,647 INFO L207 CegarAbsIntRunner]: [213], [215], [218], [221], [230], [231], [233], [235], [269], [271], [273], [275], [277], [279], [280], [706], [712], [860], [861], [994], [995], [1205], [1207], [1209], [1236], [1239], [1248], [1257], [1267], [1268], [1341], [1345], [1348], [1395], [1531], [1533], [1542], [1544], [1557], [1570], [1599], [1600], [1601], [1649], [1650], [1728], [1731], [1734], [1911], [1930], [1934], [1958], [2147], [2150], [2172], [2244], [2245], [2458], [2487], [2489], [2508], [2528], [2548], [2568], [2588], [2590], [2595], [2625], [2626], [2627], [2630], [2654], [2669], [2670], [2675], [2676], [2677], [2678], [2707], [2708], [2709], [2710], [2711], [2712], [2713], [2714], [2715], [2716], [2769], [2770], [2771], [2772], [2917], [2918], [2919], [2920], [2953], [2954], [2955], [2956], [2957], [2958], [2959], [2960], [2961], [2973], [2974], [2975], [2976], [2977], [2978], [3023], [3024], [3055], [3056], [3067], [3068], [3069], [3070], [3071], [3072], [3073], [3095], [3096], [3097], [3101], [3102], [3113] [2019-09-10 02:31:22,764 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:31:22,764 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:31:22,888 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:31:22,890 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 154 root evaluator evaluations with a maximum evaluation depth of 0. Performed 154 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 284 variables. [2019-09-10 02:31:22,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:31:22,895 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:31:22,966 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:31:22,967 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:31:22,978 INFO L420 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2019-09-10 02:31:22,978 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:31:22,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:31:22,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-09-10 02:31:22,979 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:31:22,981 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:31:22,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:31:22,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:31:22,982 INFO L87 Difference]: Start difference. First operand 761 states and 1174 transitions. Second operand 2 states. [2019-09-10 02:31:22,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:31:22,983 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:31:22,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:31:22,983 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 153 [2019-09-10 02:31:22,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:31:22,983 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:31:22,984 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:31:22,984 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:31:22,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:31:22,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:31:22,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:31:22,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:31:22,985 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2019-09-10 02:31:22,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:31:22,987 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:31:22,987 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:31:22,988 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:31:22,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:31:22,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:31:22 BoogieIcfgContainer [2019-09-10 02:31:22,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:31:22,997 INFO L168 Benchmark]: Toolchain (without parser) took 5897.42 ms. Allocated memory was 134.7 MB in the beginning and 334.5 MB in the end (delta: 199.8 MB). Free memory was 87.7 MB in the beginning and 261.9 MB in the end (delta: -174.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:31:22,998 INFO L168 Benchmark]: CDTParser took 1.22 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:31:23,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1144.53 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 87.5 MB in the beginning and 126.8 MB in the end (delta: -39.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:31:23,003 INFO L168 Benchmark]: Boogie Preprocessor took 238.45 ms. Allocated memory is still 202.4 MB. Free memory was 126.8 MB in the beginning and 116.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:31:23,004 INFO L168 Benchmark]: RCFGBuilder took 2574.17 ms. Allocated memory was 202.4 MB in the beginning and 264.8 MB in the end (delta: 62.4 MB). Free memory was 116.3 MB in the beginning and 105.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:31:23,006 INFO L168 Benchmark]: TraceAbstraction took 1935.74 ms. Allocated memory was 264.8 MB in the beginning and 334.5 MB in the end (delta: 69.7 MB). Free memory was 105.3 MB in the beginning and 261.9 MB in the end (delta: -156.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:31:23,016 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1144.53 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 87.5 MB in the beginning and 126.8 MB in the end (delta: -39.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 238.45 ms. Allocated memory is still 202.4 MB. Free memory was 126.8 MB in the beginning and 116.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2574.17 ms. Allocated memory was 202.4 MB in the beginning and 264.8 MB in the end (delta: 62.4 MB). Free memory was 116.3 MB in the beginning and 105.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1935.74 ms. Allocated memory was 264.8 MB in the beginning and 334.5 MB in the end (delta: 69.7 MB). Free memory was 105.3 MB in the beginning and 261.9 MB in the end (delta: -156.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 487]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 94 procedures, 1054 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 2 OverallIterations, 5 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1185 SDtfs, 5 SDslu, 4729 SDs, 0 SdLazy, 18 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=927occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.5986842105263157 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 303 NumberOfCodeBlocks, 303 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 47707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 95/98 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...