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_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:30:49,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:30:49,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:30:49,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:30:49,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:30:49,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:30:49,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:30:49,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:30:49,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:30:49,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:30:49,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:30:49,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:30:49,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:30:49,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:30:49,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:30:49,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:30:49,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:30:49,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:30:49,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:30:49,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:30:49,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:30:49,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:30:49,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:30:49,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:30:49,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:30:49,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:30:49,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:30:49,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:30:49,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:30:49,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:30:49,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:30:49,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:30:49,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:30:49,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:30:49,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:30:49,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:30:49,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:30:49,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:30:49,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:30:49,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:30:49,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:30:49,971 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 02:30:49,986 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:30:49,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:30:49,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:30:49,987 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:30:49,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:30:49,988 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:30:49,988 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:30:49,988 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:30:49,988 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:30:49,988 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:30:49,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:30:49,989 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:30:49,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:30:49,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:30:49,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:30:49,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:30:49,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:30:49,991 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:30:49,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:30:49,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:30:49,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:30:49,991 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:30:49,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:30:49,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:30:49,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:30:49,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:30:49,992 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:30:49,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:30:49,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:30:49,993 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:30:50,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:30:50,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:30:50,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:30:50,044 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:30:50,044 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:30:50,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product03.cil.c [2019-09-10 02:30:50,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/248061f59/82b5cd2b1f28494781a387b3f728feca/FLAGc30f96430 [2019-09-10 02:30:50,768 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:30:50,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product03.cil.c [2019-09-10 02:30:50,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/248061f59/82b5cd2b1f28494781a387b3f728feca/FLAGc30f96430 [2019-09-10 02:30:50,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/248061f59/82b5cd2b1f28494781a387b3f728feca [2019-09-10 02:30:50,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:30:50,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:30:50,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:30:50,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:30:50,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:30:50,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:30:50" (1/1) ... [2019-09-10 02:30:50,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18312eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:30:50, skipping insertion in model container [2019-09-10 02:30:50,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:30:50" (1/1) ... [2019-09-10 02:30:50,969 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:30:51,059 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:30:51,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:30:51,820 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:30:51,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:30:52,071 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:30:52,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:30:52 WrapperNode [2019-09-10 02:30:52,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:30:52,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:30:52,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:30:52,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:30:52,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:30:52" (1/1) ... [2019-09-10 02:30:52,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:30:52" (1/1) ... [2019-09-10 02:30:52,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:30:52" (1/1) ... [2019-09-10 02:30:52,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:30:52" (1/1) ... [2019-09-10 02:30:52,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:30:52" (1/1) ... [2019-09-10 02:30:52,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:30:52" (1/1) ... [2019-09-10 02:30:52,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:30:52" (1/1) ... [2019-09-10 02:30:52,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:30:52,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:30:52,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:30:52,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:30:52,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:30:52" (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 02:30:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:30:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:30:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:30:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:30:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:30:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:30:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:30:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:30:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:30:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:30:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:30:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:30:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:30:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-09-10 02:30:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-09-10 02:30:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:30:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-09-10 02:30:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-09-10 02:30:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-09-10 02:30:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-09-10 02:30:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-09-10 02:30:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-09-10 02:30:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-09-10 02:30:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-09-10 02:30:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-09-10 02:30:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-09-10 02:30:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-09-10 02:30:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-09-10 02:30:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-09-10 02:30:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-09-10 02:30:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__base [2019-09-10 02:30:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-09-10 02:30:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-09-10 02:30:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-09-10 02:30:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__base [2019-09-10 02:30:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-09-10 02:30:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-09-10 02:30:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-09-10 02:30:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:30:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-09-10 02:30:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-09-10 02:30:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-09-10 02:30:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-09-10 02:30:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:30:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-09-10 02:30:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-09-10 02:30:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-09-10 02:30:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:30:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-09-10 02:30:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-09-10 02:30:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-09-10 02:30:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-09-10 02:30:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-09-10 02:30:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-09-10 02:30:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-09-10 02:30:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-09-10 02:30:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-09-10 02:30:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-09-10 02:30:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-09-10 02:30:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-09-10 02:30:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-09-10 02:30:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-09-10 02:30:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-09-10 02:30:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-09-10 02:30:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-09-10 02:30:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-09-10 02:30:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-09-10 02:30:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:30:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-09-10 02:30:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-09-10 02:30:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-09-10 02:30:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:30:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-09-10 02:30:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:30:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:30:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:30:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:30:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:30:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:30:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:30:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:30:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:30:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:30:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:30:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:30:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:30:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:30:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:30:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:30:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:30:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:30:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:30:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:30:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:30:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:30:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:30:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:30:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:30:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:30:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-09-10 02:30:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-09-10 02:30:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:30:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-09-10 02:30:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-09-10 02:30:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-09-10 02:30:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-09-10 02:30:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-09-10 02:30:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-09-10 02:30:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-09-10 02:30:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-09-10 02:30:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:30:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:30:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:30:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-09-10 02:30:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-09-10 02:30:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-09-10 02:30:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-09-10 02:30:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-09-10 02:30:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-09-10 02:30:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-09-10 02:30:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-09-10 02:30:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-09-10 02:30:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-09-10 02:30:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-09-10 02:30:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-09-10 02:30:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-09-10 02:30:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-09-10 02:30:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-09-10 02:30:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-09-10 02:30:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-09-10 02:30:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-09-10 02:30:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-09-10 02:30:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-09-10 02:30:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-09-10 02:30:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__base [2019-09-10 02:30:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-09-10 02:30:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-09-10 02:30:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__base [2019-09-10 02:30:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-09-10 02:30:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-09-10 02:30:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-09-10 02:30:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-09-10 02:30:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-09-10 02:30:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:30:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:30:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-09-10 02:30:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-09-10 02:30:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-09-10 02:30:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-09-10 02:30:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-10 02:30:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-09-10 02:30:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-09-10 02:30:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-09-10 02:30:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-09-10 02:30:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-09-10 02:30:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-09-10 02:30:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-09-10 02:30:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-09-10 02:30:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-09-10 02:30:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:30:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-09-10 02:30:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:30:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:30:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:30:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:30:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:30:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:30:54,828 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:30:54,828 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-09-10 02:30:54,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:30:54 BoogieIcfgContainer [2019-09-10 02:30:54,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:30:54,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:30:54,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:30:54,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:30:54,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:30:50" (1/3) ... [2019-09-10 02:30:54,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2e7b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:30:54, skipping insertion in model container [2019-09-10 02:30:54,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:30:52" (2/3) ... [2019-09-10 02:30:54,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2e7b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:30:54, skipping insertion in model container [2019-09-10 02:30:54,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:30:54" (3/3) ... [2019-09-10 02:30:54,838 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product03.cil.c [2019-09-10 02:30:54,848 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:30:54,859 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:30:54,876 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:30:54,908 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:30:54,908 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:30:54,908 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:30:54,909 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:30:54,909 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:30:54,909 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:30:54,909 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:30:54,909 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:30:54,945 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states. [2019-09-10 02:30:54,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-09-10 02:30:54,979 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:30:54,981 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 02:30:54,983 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:30:54,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:30:54,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1215975064, now seen corresponding path program 1 times [2019-09-10 02:30:54,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:30:55,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:30:55,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:30:55,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:30:55,045 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:30:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:30:55,676 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-10 02:30:55,679 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:30:55,679 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:30:55,680 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2019-09-10 02:30:55,683 INFO L207 CegarAbsIntRunner]: [24], [26], [28], [55], [56], [315], [319], [322], [338], [340], [342], [407], [408], [410], [411], [412], [414], [417], [419], [423], [447], [847], [849], [946], [949], [954], [957], [976], [977], [979], [1014], [1016], [1023], [1028], [1061], [1062], [1128], [1130], [1133], [1135], [1141], [1145], [1146], [1149], [1152], [1329], [1382], [1386], [1410], [1599], [1602], [1624], [1640], [1653], [1656], [1664], [1666], [1778], [1779], [2160], [2164], [2167], [2185], [2270], [2272], [2291], [2311], [2331], [2351], [2371], [2373], [2376], [2406], [2407], [2413], [2416], [2440], [2441], [2442], [2443], [2444], [2487], [2488], [2489], [2490], [2491], [2492], [2493], [2494], [2495], [2505], [2506], [2507], [2508], [2525], [2526], [2527], [2528], [2529], [2530], [2537], [2538], [2539], [2540], [2541], [2542], [2587], [2588], [2617], [2618], [2619], [2620], [2631], [2632], [2633], [2634], [2651], [2652], [2653], [2654], [2659], [2660], [2687], [2688], [2689], [2690], [2691], [2692], [2693], [2727], [2728], [2729], [2795], [2796], [2807] [2019-09-10 02:30:55,730 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:30:55,731 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:30:55,927 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:30:55,929 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 135 root evaluator evaluations with a maximum evaluation depth of 0. Performed 135 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 260 variables. [2019-09-10 02:30:55,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:30:55,934 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:30:56,010 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:30:56,011 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:30:56,026 INFO L420 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2019-09-10 02:30:56,026 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:30:56,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:30:56,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-09-10 02:30:56,028 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:30:56,034 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:30:56,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:30:56,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:30:56,041 INFO L87 Difference]: Start difference. First operand 750 states. Second operand 2 states. [2019-09-10 02:30:56,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:30:56,057 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:30:56,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:30:56,058 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 164 [2019-09-10 02:30:56,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:30:56,065 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:30:56,065 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:30:56,068 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 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 02:30:56,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:30:56,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:30:56,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:30:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:30:56,095 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 164 [2019-09-10 02:30:56,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:30:56,096 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:30:56,096 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:30:56,096 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:30:56,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:30:56,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:30:56 BoogieIcfgContainer [2019-09-10 02:30:56,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:30:56,106 INFO L168 Benchmark]: Toolchain (without parser) took 5156.14 ms. Allocated memory was 131.6 MB in the beginning and 270.0 MB in the end (delta: 138.4 MB). Free memory was 84.8 MB in the beginning and 201.6 MB in the end (delta: -116.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:30:56,107 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:30:56,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1123.87 ms. Allocated memory was 131.6 MB in the beginning and 200.3 MB in the end (delta: 68.7 MB). Free memory was 84.6 MB in the beginning and 137.7 MB in the end (delta: -53.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:30:56,111 INFO L168 Benchmark]: Boogie Preprocessor took 215.57 ms. Allocated memory is still 200.3 MB. Free memory was 137.7 MB in the beginning and 127.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:30:56,112 INFO L168 Benchmark]: RCFGBuilder took 2538.64 ms. Allocated memory was 200.3 MB in the beginning and 270.5 MB in the end (delta: 70.3 MB). Free memory was 127.8 MB in the beginning and 157.0 MB in the end (delta: -29.2 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:30:56,113 INFO L168 Benchmark]: TraceAbstraction took 1270.60 ms. Allocated memory was 270.5 MB in the beginning and 270.0 MB in the end (delta: -524.3 kB). Free memory was 157.0 MB in the beginning and 201.6 MB in the end (delta: -44.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:30:56,124 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1123.87 ms. Allocated memory was 131.6 MB in the beginning and 200.3 MB in the end (delta: 68.7 MB). Free memory was 84.6 MB in the beginning and 137.7 MB in the end (delta: -53.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 215.57 ms. Allocated memory is still 200.3 MB. Free memory was 137.7 MB in the beginning and 127.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2538.64 ms. Allocated memory was 200.3 MB in the beginning and 270.5 MB in the end (delta: 70.3 MB). Free memory was 127.8 MB in the beginning and 157.0 MB in the end (delta: -29.2 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1270.60 ms. Allocated memory was 270.5 MB in the beginning and 270.0 MB in the end (delta: -524.3 kB). Free memory was 157.0 MB in the beginning and 201.6 MB in the end (delta: -44.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2255]: 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 76 procedures, 906 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=750occurred 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, 1.6196319018404908 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 27547 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 34/37 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...