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_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:40:11,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:40:11,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:40:11,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:40:11,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:40:11,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:40:11,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:40:11,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:40:11,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:40:11,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:40:11,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:40:11,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:40:11,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:40:11,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:40:11,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:40:11,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:40:11,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:40:11,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:40:11,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:40:11,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:40:11,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:40:11,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:40:11,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:40:11,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:40:11,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:40:11,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:40:11,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:40:11,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:40:11,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:40:11,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:40:11,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:40:11,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:40:11,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:40:11,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:40:11,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:40:11,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:40:11,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:40:11,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:40:11,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:40:11,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:40:11,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:40:11,472 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 [2019-10-03 02:40:11,498 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:40:11,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:40:11,500 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:40:11,500 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:40:11,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:40:11,501 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:40:11,501 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:40:11,501 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:40:11,501 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:40:11,502 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:40:11,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:40:11,504 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:40:11,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:40:11,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:40:11,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:40:11,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:40:11,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:40:11,506 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:40:11,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:40:11,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:40:11,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:40:11,507 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:40:11,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:40:11,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:40:11,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:40:11,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:40:11,508 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:40:11,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:40:11,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:40:11,509 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:40:11,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:40:11,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:40:11,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:40:11,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:40:11,576 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:40:11,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product11.cil.c [2019-10-03 02:40:11,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/850d8644a/7893d83322ee48eb9ee93ab0e21d00ea/FLAGbee48fb1b [2019-10-03 02:40:12,297 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:40:12,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product11.cil.c [2019-10-03 02:40:12,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/850d8644a/7893d83322ee48eb9ee93ab0e21d00ea/FLAGbee48fb1b [2019-10-03 02:40:12,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/850d8644a/7893d83322ee48eb9ee93ab0e21d00ea [2019-10-03 02:40:12,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:40:12,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:40:12,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:40:12,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:40:12,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:40:12,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:40:12" (1/1) ... [2019-10-03 02:40:12,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52da3fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:12, skipping insertion in model container [2019-10-03 02:40:12,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:40:12" (1/1) ... [2019-10-03 02:40:12,524 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:40:12,612 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:40:13,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:40:13,396 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:40:13,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:40:13,636 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:40:13,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:13 WrapperNode [2019-10-03 02:40:13,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:40:13,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:40:13,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:40:13,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:40:13,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:13" (1/1) ... [2019-10-03 02:40:13,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:13" (1/1) ... [2019-10-03 02:40:13,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:13" (1/1) ... [2019-10-03 02:40:13,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:13" (1/1) ... [2019-10-03 02:40:13,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:13" (1/1) ... [2019-10-03 02:40:13,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:13" (1/1) ... [2019-10-03 02:40:13,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:13" (1/1) ... [2019-10-03 02:40:13,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:40:13,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:40:13,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:40:13,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:40:13,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:40:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:40:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:40:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:40:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-03 02:40:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-03 02:40:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-03 02:40:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:40:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-03 02:40:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-03 02:40:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-03 02:40:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-03 02:40:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-03 02:40:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-03 02:40:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-03 02:40:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-03 02:40:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-03 02:40:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-03 02:40:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-03 02:40:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-03 02:40:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-03 02:40:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-03 02:40:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-03 02:40:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-03 02:40:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-03 02:40:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-03 02:40:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-03 02:40:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-03 02:40:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-03 02:40:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-03 02:40:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-03 02:40:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-03 02:40:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-03 02:40:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-03 02:40:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-03 02:40:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-03 02:40:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-03 02:40:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-03 02:40:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-03 02:40:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-03 02:40:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:40:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:40:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:40:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:40:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:40:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-03 02:40:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-03 02:40:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:40:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:40:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:40:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:40:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:40:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:40:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-03 02:40:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-03 02:40:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-03 02:40:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-03 02:40:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-03 02:40:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-03 02:40:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-03 02:40:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-03 02:40:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-03 02:40:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-03 02:40:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-03 02:40:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-03 02:40:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-03 02:40:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-03 02:40:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:40:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-03 02:40:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:40:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-03 02:40:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-03 02:40:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-03 02:40:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-03 02:40:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-03 02:40:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-03 02:40:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-03 02:40:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-03 02:40:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:40:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:40:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-03 02:40:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-03 02:40:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-03 02:40:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-03 02:40:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-03 02:40:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-03 02:40:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:40:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:40:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-03 02:40:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-03 02:40:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-03 02:40:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-03 02:40:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-03 02:40:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-03 02:40:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:40:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-03 02:40:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-03 02:40:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-03 02:40:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-03 02:40:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-03 02:40:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-03 02:40:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-03 02:40:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-03 02:40:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-03 02:40:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-03 02:40:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-03 02:40:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-03 02:40:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-03 02:40:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-03 02:40:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-03 02:40:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-03 02:40:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-03 02:40:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-03 02:40:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-03 02:40:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-03 02:40:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-03 02:40:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-03 02:40:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-03 02:40:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-03 02:40:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-03 02:40:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-03 02:40:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-03 02:40:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-03 02:40:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-03 02:40:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-03 02:40:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-03 02:40:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:40:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-03 02:40:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:40:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:40:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:40:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:40:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-03 02:40:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-03 02:40:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-03 02:40:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:40:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:40:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:40:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:40:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:40:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:40:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:40:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:40:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:40:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:40:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:40:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:40:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:40:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:40:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:40:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:40:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 02:40:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-03 02:40:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-03 02:40:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-03 02:40:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-03 02:40:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-03 02:40:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-03 02:40:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-03 02:40:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-03 02:40:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-03 02:40:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-03 02:40:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-03 02:40:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:40:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-03 02:40:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:40:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-03 02:40:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:40:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:40:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:40:16,321 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:40:16,322 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-03 02:40:16,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:40:16 BoogieIcfgContainer [2019-10-03 02:40:16,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:40:16,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:40:16,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:40:16,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:40:16,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:40:12" (1/3) ... [2019-10-03 02:40:16,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794cb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:40:16, skipping insertion in model container [2019-10-03 02:40:16,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:40:13" (2/3) ... [2019-10-03 02:40:16,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794cb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:40:16, skipping insertion in model container [2019-10-03 02:40:16,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:40:16" (3/3) ... [2019-10-03 02:40:16,331 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product11.cil.c [2019-10-03 02:40:16,340 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:40:16,350 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:40:16,366 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:40:16,392 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:40:16,393 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:40:16,393 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:40:16,393 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:40:16,393 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:40:16,393 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:40:16,393 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:40:16,394 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:40:16,425 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states. [2019-10-03 02:40:16,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-03 02:40:16,458 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:40:16,459 INFO L411 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] [2019-10-03 02:40:16,462 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:40:16,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:40:16,468 INFO L82 PathProgramCache]: Analyzing trace with hash 2009729749, now seen corresponding path program 1 times [2019-10-03 02:40:16,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:40:16,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:40:16,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:40:16,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:40:16,530 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:40:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:40:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:40:17,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:40:17,114 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:40:17,116 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2019-10-03 02:40:17,170 INFO L207 CegarAbsIntRunner]: [0], [2], [4], [57], [58], [315], [319], [322], [338], [340], [342], [407], [408], [410], [411], [412], [414], [417], [419], [423], [447], [847], [849], [884], [886], [887], [889], [986], [989], [994], [997], [1016], [1023], [1028], [1061], [1062], [1142], [1144], [1147], [1149], [1155], [1159], [1162], [1165], [1168], [1345], [1400], [1404], [1428], [1613], [1616], [1638], [1639], [1652], [1655], [1661], [1665], [1778], [1779], [2138], [2142], [2145], [2163], [2248], [2250], [2269], [2289], [2309], [2329], [2349], [2351], [2354], [2384], [2385], [2391], [2394], [2418], [2452], [2453], [2454], [2455], [2498], [2499], [2500], [2501], [2502], [2503], [2504], [2505], [2506], [2516], [2517], [2518], [2519], [2536], [2537], [2538], [2539], [2540], [2541], [2548], [2549], [2550], [2551], [2552], [2553], [2598], [2599], [2606], [2607], [2636], [2637], [2638], [2639], [2650], [2651], [2666], [2667], [2668], [2669], [2674], [2675], [2702], [2703], [2704], [2705], [2706], [2708], [2709], [2742], [2743], [2744], [2810], [2811], [2822] [2019-10-03 02:40:17,219 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:40:17,219 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:40:17,319 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:40:17,321 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 153 root evaluator evaluations with a maximum evaluation depth of 0. Performed 153 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 260 variables. [2019-10-03 02:40:17,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:40:17,326 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:40:17,400 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:40:17,401 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:40:17,407 INFO L420 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2019-10-03 02:40:17,407 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:40:17,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:40:17,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-10-03 02:40:17,408 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:40:17,414 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:40:17,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:40:17,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:40:17,421 INFO L87 Difference]: Start difference. First operand 766 states. Second operand 2 states. [2019-10-03 02:40:17,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:40:17,435 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:40:17,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:40:17,437 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 164 [2019-10-03 02:40:17,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:40:17,444 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:40:17,444 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:40:17,446 INFO L640 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 [2019-10-03 02:40:17,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:40:17,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:40:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:40:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:40:17,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 164 [2019-10-03 02:40:17,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:40:17,476 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:40:17,476 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:40:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:40:17,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:40:17,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:40:17 BoogieIcfgContainer [2019-10-03 02:40:17,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:40:17,484 INFO L168 Benchmark]: Toolchain (without parser) took 4977.13 ms. Allocated memory was 138.4 MB in the beginning and 272.6 MB in the end (delta: 134.2 MB). Free memory was 82.9 MB in the beginning and 201.1 MB in the end (delta: -118.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:17,485 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:40:17,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1129.95 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 82.7 MB in the beginning and 137.3 MB in the end (delta: -54.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:17,487 INFO L168 Benchmark]: Boogie Preprocessor took 209.34 ms. Allocated memory is still 200.3 MB. Free memory was 137.3 MB in the beginning and 127.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:17,488 INFO L168 Benchmark]: RCFGBuilder took 2473.23 ms. Allocated memory was 200.3 MB in the beginning and 273.7 MB in the end (delta: 73.4 MB). Free memory was 127.7 MB in the beginning and 156.9 MB in the end (delta: -29.2 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:40:17,489 INFO L168 Benchmark]: TraceAbstraction took 1157.18 ms. Allocated memory was 273.7 MB in the beginning and 272.6 MB in the end (delta: -1.0 MB). Free memory was 156.9 MB in the beginning and 201.1 MB in the end (delta: -44.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:40:17,493 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1129.95 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 82.7 MB in the beginning and 137.3 MB in the end (delta: -54.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 209.34 ms. Allocated memory is still 200.3 MB. Free memory was 137.3 MB in the beginning and 127.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2473.23 ms. Allocated memory was 200.3 MB in the beginning and 273.7 MB in the end (delta: 73.4 MB). Free memory was 127.7 MB in the beginning and 156.9 MB in the end (delta: -29.2 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1157.18 ms. Allocated memory was 273.7 MB in the beginning and 272.6 MB in the end (delta: -1.0 MB). Free memory was 156.9 MB in the beginning and 201.1 MB in the end (delta: -44.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1934]: 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 77 procedures, 913 locations, 1 error locations. SAFE Result, 1.0s 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=766occurred 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, 0.1s 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...