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_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:34:46,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:34:46,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:34:46,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:34:46,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:34:46,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:34:46,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:34:46,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:34:46,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:34:46,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:34:46,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:34:46,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:34:46,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:34:46,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:34:46,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:34:46,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:34:46,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:34:46,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:34:46,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:34:46,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:34:46,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:34:46,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:34:46,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:34:46,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:34:46,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:34:46,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:34:46,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:34:46,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:34:46,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:34:46,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:34:46,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:34:46,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:34:46,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:34:46,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:34:46,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:34:46,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:34:46,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:34:46,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:34:46,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:34:46,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:34:46,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:34:46,690 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 02:34:46,719 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:34:46,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:34:46,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:34:46,720 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:34:46,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:34:46,721 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:34:46,721 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:34:46,722 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:34:46,723 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:34:46,723 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:34:46,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:34:46,724 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:34:46,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:34:46,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:34:46,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:34:46,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:34:46,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:34:46,726 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:34:46,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:34:46,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:34:46,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:34:46,727 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:34:46,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:34:46,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:34:46,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:34:46,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:34:46,728 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:34:46,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:34:46,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:34:46,729 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:34:46,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:34:46,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:34:46,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:34:46,803 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:34:46,804 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:34:46,805 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_productSimulator.cil.c [2019-09-10 02:34:46,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dacc77f81/16510c88c32348909bb8c5afc90c1748/FLAG8915c5d7b [2019-09-10 02:34:47,568 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:34:47,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_productSimulator.cil.c [2019-09-10 02:34:47,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dacc77f81/16510c88c32348909bb8c5afc90c1748/FLAG8915c5d7b [2019-09-10 02:34:47,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dacc77f81/16510c88c32348909bb8c5afc90c1748 [2019-09-10 02:34:47,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:34:47,884 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:34:47,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:34:47,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:34:47,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:34:47,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:34:47" (1/1) ... [2019-09-10 02:34:47,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a69a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:34:47, skipping insertion in model container [2019-09-10 02:34:47,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:34:47" (1/1) ... [2019-09-10 02:34:47,903 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:34:47,996 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:34:48,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:34:48,928 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:34:49,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:34:49,175 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:34:49,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:34:49 WrapperNode [2019-09-10 02:34:49,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:34:49,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:34:49,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:34:49,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:34:49,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:34:49" (1/1) ... [2019-09-10 02:34:49,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:34:49" (1/1) ... [2019-09-10 02:34:49,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:34:49" (1/1) ... [2019-09-10 02:34:49,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:34:49" (1/1) ... [2019-09-10 02:34:49,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:34:49" (1/1) ... [2019-09-10 02:34:49,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:34:49" (1/1) ... [2019-09-10 02:34:49,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:34:49" (1/1) ... [2019-09-10 02:34:49,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:34:49,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:34:49,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:34:49,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:34:49,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:34:49" (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 02:34:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:34:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:34:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:34:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:34:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:34:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:34:49,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:34:49,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:34:49,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:34:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-09-10 02:34:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-09-10 02:34:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-09-10 02:34:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-09-10 02:34:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-09-10 02:34:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-09-10 02:34:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-09-10 02:34:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-09-10 02:34:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-09-10 02:34:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-09-10 02:34:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:34:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-09-10 02:34:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-09-10 02:34:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2019-09-10 02:34:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2019-09-10 02:34:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-09-10 02:34:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2019-09-10 02:34:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2019-09-10 02:34:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-09-10 02:34:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2019-09-10 02:34:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2019-09-10 02:34:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2019-09-10 02:34:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2019-09-10 02:34:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-09-10 02:34:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-09-10 02:34:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-09-10 02:34:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-09-10 02:34:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-09-10 02:34:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-09-10 02:34:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-09-10 02:34:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-09-10 02:34:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-09-10 02:34:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-09-10 02:34:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2019-09-10 02:34:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2019-09-10 02:34:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2019-09-10 02:34:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2019-09-10 02:34:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-09-10 02:34:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-09-10 02:34:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-09-10 02:34:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-09-10 02:34:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-09-10 02:34:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-09-10 02:34:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-09-10 02:34:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-09-10 02:34:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-09-10 02:34:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-09-10 02:34:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2019-09-10 02:34:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2019-09-10 02:34:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:34:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2019-09-10 02:34:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2019-09-10 02:34:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-09-10 02:34:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-09-10 02:34:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-09-10 02:34:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-09-10 02:34:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:34:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:34:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:34:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:34:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-09-10 02:34:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-09-10 02:34:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-09-10 02:34:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-09-10 02:34:49,494 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-09-10 02:34:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-09-10 02:34:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-09-10 02:34:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-09-10 02:34:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-09-10 02:34:49,496 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-09-10 02:34:49,497 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-09-10 02:34:49,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:34:49,497 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-09-10 02:34:49,497 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-09-10 02:34:49,498 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-09-10 02:34:49,498 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:34:49,499 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-09-10 02:34:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:34:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:34:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:34:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:34:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:34:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-09-10 02:34:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:34:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:34:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:34:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:34:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:34:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:34:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:34:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:34:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:34:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:34:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:34:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:34:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:34:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:34:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:34:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:34:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:34:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:34:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:34:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-09-10 02:34:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-09-10 02:34:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-09-10 02:34:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-09-10 02:34:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-09-10 02:34:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-09-10 02:34:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-09-10 02:34:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-09-10 02:34:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-09-10 02:34:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:34:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-09-10 02:34:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-09-10 02:34:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-09-10 02:34:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-09-10 02:34:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-09-10 02:34:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-09-10 02:34:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:34:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:34:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-09-10 02:34:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-09-10 02:34:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-09-10 02:34:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-09-10 02:34:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-09-10 02:34:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-09-10 02:34:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-09-10 02:34:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-09-10 02:34:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-09-10 02:34:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-09-10 02:34:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-09-10 02:34:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2019-09-10 02:34:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2019-09-10 02:34:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2019-09-10 02:34:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2019-09-10 02:34:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2019-09-10 02:34:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2019-09-10 02:34:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2019-09-10 02:34:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2019-09-10 02:34:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-09-10 02:34:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-09-10 02:34:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-09-10 02:34:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-09-10 02:34:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-09-10 02:34:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2019-09-10 02:34:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2019-09-10 02:34:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2019-09-10 02:34:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2019-09-10 02:34:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-09-10 02:34:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-09-10 02:34:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2019-09-10 02:34:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2019-09-10 02:34:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2019-09-10 02:34:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2019-09-10 02:34:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-09-10 02:34:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-09-10 02:34:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-09-10 02:34:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2019-09-10 02:34:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2019-09-10 02:34:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:34:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-09-10 02:34:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2019-09-10 02:34:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2019-09-10 02:34:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-09-10 02:34:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:34:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:34:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:34:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:34:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-10 02:34:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-09-10 02:34:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-09-10 02:34:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-09-10 02:34:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-09-10 02:34:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-09-10 02:34:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-09-10 02:34:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-09-10 02:34:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-09-10 02:34:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:34:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-09-10 02:34:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-09-10 02:34:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-09-10 02:34:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:34:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-09-10 02:34:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:34:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:34:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:34:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:34:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:34:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:34:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:34:52,436 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:34:52,436 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-09-10 02:34:52,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:34:52 BoogieIcfgContainer [2019-09-10 02:34:52,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:34:52,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:34:52,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:34:52,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:34:52,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:34:47" (1/3) ... [2019-09-10 02:34:52,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efcc24b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:34:52, skipping insertion in model container [2019-09-10 02:34:52,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:34:49" (2/3) ... [2019-09-10 02:34:52,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efcc24b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:34:52, skipping insertion in model container [2019-09-10 02:34:52,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:34:52" (3/3) ... [2019-09-10 02:34:52,449 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_productSimulator.cil.c [2019-09-10 02:34:52,461 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:34:52,475 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:34:52,498 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:34:52,532 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:34:52,532 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:34:52,532 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:34:52,532 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:34:52,532 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:34:52,532 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:34:52,533 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:34:52,533 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:34:52,578 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states. [2019-09-10 02:34:52,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-09-10 02:34:52,610 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:34:52,611 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:34:52,614 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:34:52,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:34:52,620 INFO L82 PathProgramCache]: Analyzing trace with hash -895643454, now seen corresponding path program 1 times [2019-09-10 02:34:52,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:34:52,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:52,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:34:52,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:52,678 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:34:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:34:53,433 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-10 02:34:53,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:34:53,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:34:53,437 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:34:53,443 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:34:53,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:34:53,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:34:53,466 INFO L87 Difference]: Start difference. First operand 949 states. Second operand 6 states. [2019-09-10 02:34:53,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:34:53,669 INFO L93 Difference]: Finished difference Result 795 states and 1221 transitions. [2019-09-10 02:34:53,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:34:53,676 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2019-09-10 02:34:53,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:34:53,706 INFO L225 Difference]: With dead ends: 795 [2019-09-10 02:34:53,706 INFO L226 Difference]: Without dead ends: 776 [2019-09-10 02:34:53,710 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:34:53,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2019-09-10 02:34:53,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 776. [2019-09-10 02:34:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 776 states. [2019-09-10 02:34:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1196 transitions. [2019-09-10 02:34:53,835 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1196 transitions. Word has length 127 [2019-09-10 02:34:53,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:34:53,837 INFO L475 AbstractCegarLoop]: Abstraction has 776 states and 1196 transitions. [2019-09-10 02:34:53,837 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:34:53,837 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1196 transitions. [2019-09-10 02:34:53,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-10 02:34:53,850 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:34:53,850 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:34:53,850 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:34:53,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:34:53,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1694033836, now seen corresponding path program 1 times [2019-09-10 02:34:53,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:34:53,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:53,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:34:53,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:53,856 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:34:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:34:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-10 02:34:54,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:34:54,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:34:54,105 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:34:54,106 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:34:54,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:34:54,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:34:54,107 INFO L87 Difference]: Start difference. First operand 776 states and 1196 transitions. Second operand 7 states. [2019-09-10 02:34:54,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:34:54,249 INFO L93 Difference]: Finished difference Result 785 states and 1208 transitions. [2019-09-10 02:34:54,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:34:54,250 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 128 [2019-09-10 02:34:54,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:34:54,259 INFO L225 Difference]: With dead ends: 785 [2019-09-10 02:34:54,259 INFO L226 Difference]: Without dead ends: 785 [2019-09-10 02:34:54,260 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:34:54,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2019-09-10 02:34:54,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 783. [2019-09-10 02:34:54,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2019-09-10 02:34:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1205 transitions. [2019-09-10 02:34:54,333 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1205 transitions. Word has length 128 [2019-09-10 02:34:54,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:34:54,334 INFO L475 AbstractCegarLoop]: Abstraction has 783 states and 1205 transitions. [2019-09-10 02:34:54,334 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:34:54,334 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1205 transitions. [2019-09-10 02:34:54,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-09-10 02:34:54,343 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:34:54,343 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:34:54,343 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:34:54,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:34:54,344 INFO L82 PathProgramCache]: Analyzing trace with hash 54665970, now seen corresponding path program 1 times [2019-09-10 02:34:54,344 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:34:54,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:54,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:34:54,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:54,345 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:34:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:34:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-10 02:34:54,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:34:54,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 02:34:54,623 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:34:54,625 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 02:34:54,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 02:34:54,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 02:34:54,625 INFO L87 Difference]: Start difference. First operand 783 states and 1205 transitions. Second operand 4 states. [2019-09-10 02:34:54,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:34:54,687 INFO L93 Difference]: Finished difference Result 781 states and 1200 transitions. [2019-09-10 02:34:54,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 02:34:54,688 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2019-09-10 02:34:54,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:34:54,695 INFO L225 Difference]: With dead ends: 781 [2019-09-10 02:34:54,695 INFO L226 Difference]: Without dead ends: 765 [2019-09-10 02:34:54,696 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:34:54,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2019-09-10 02:34:54,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 765. [2019-09-10 02:34:54,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2019-09-10 02:34:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1172 transitions. [2019-09-10 02:34:54,727 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1172 transitions. Word has length 129 [2019-09-10 02:34:54,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:34:54,728 INFO L475 AbstractCegarLoop]: Abstraction has 765 states and 1172 transitions. [2019-09-10 02:34:54,728 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 02:34:54,728 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1172 transitions. [2019-09-10 02:34:54,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-09-10 02:34:54,731 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:34:54,731 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:34:54,731 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:34:54,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:34:54,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1943043330, now seen corresponding path program 1 times [2019-09-10 02:34:54,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:34:54,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:54,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:34:54,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:54,733 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:34:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:34:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-10 02:34:54,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:34:54,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:34:54,930 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:34:54,931 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:34:54,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:34:54,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:34:54,931 INFO L87 Difference]: Start difference. First operand 765 states and 1172 transitions. Second operand 7 states. [2019-09-10 02:34:55,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:34:55,024 INFO L93 Difference]: Finished difference Result 768 states and 1175 transitions. [2019-09-10 02:34:55,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:34:55,025 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 129 [2019-09-10 02:34:55,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:34:55,034 INFO L225 Difference]: With dead ends: 768 [2019-09-10 02:34:55,034 INFO L226 Difference]: Without dead ends: 759 [2019-09-10 02:34:55,036 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:34:55,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2019-09-10 02:34:55,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 759. [2019-09-10 02:34:55,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2019-09-10 02:34:55,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1159 transitions. [2019-09-10 02:34:55,064 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1159 transitions. Word has length 129 [2019-09-10 02:34:55,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:34:55,064 INFO L475 AbstractCegarLoop]: Abstraction has 759 states and 1159 transitions. [2019-09-10 02:34:55,064 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:34:55,064 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1159 transitions. [2019-09-10 02:34:55,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-09-10 02:34:55,068 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:34:55,068 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:34:55,069 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:34:55,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:34:55,069 INFO L82 PathProgramCache]: Analyzing trace with hash 264736656, now seen corresponding path program 1 times [2019-09-10 02:34:55,069 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:34:55,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:55,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:34:55,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:55,070 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:34:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:34:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-10 02:34:55,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:34:55,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:34:55,259 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:34:55,260 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:34:55,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:34:55,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:34:55,261 INFO L87 Difference]: Start difference. First operand 759 states and 1159 transitions. Second operand 7 states. [2019-09-10 02:34:55,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:34:55,373 INFO L93 Difference]: Finished difference Result 762 states and 1162 transitions. [2019-09-10 02:34:55,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:34:55,377 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 130 [2019-09-10 02:34:55,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:34:55,386 INFO L225 Difference]: With dead ends: 762 [2019-09-10 02:34:55,386 INFO L226 Difference]: Without dead ends: 753 [2019-09-10 02:34:55,389 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:34:55,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2019-09-10 02:34:55,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 753. [2019-09-10 02:34:55,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2019-09-10 02:34:55,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1146 transitions. [2019-09-10 02:34:55,490 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1146 transitions. Word has length 130 [2019-09-10 02:34:55,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:34:55,490 INFO L475 AbstractCegarLoop]: Abstraction has 753 states and 1146 transitions. [2019-09-10 02:34:55,491 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:34:55,491 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1146 transitions. [2019-09-10 02:34:55,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-09-10 02:34:55,495 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:34:55,495 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:34:55,496 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:34:55,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:34:55,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1030829082, now seen corresponding path program 1 times [2019-09-10 02:34:55,498 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:34:55,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:55,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:34:55,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:55,501 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:34:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:34:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-10 02:34:55,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:34:55,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:34:55,662 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:34:55,663 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:34:55,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:34:55,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:34:55,663 INFO L87 Difference]: Start difference. First operand 753 states and 1146 transitions. Second operand 7 states. [2019-09-10 02:34:55,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:34:55,756 INFO L93 Difference]: Finished difference Result 756 states and 1149 transitions. [2019-09-10 02:34:55,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:34:55,756 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2019-09-10 02:34:55,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:34:55,763 INFO L225 Difference]: With dead ends: 756 [2019-09-10 02:34:55,763 INFO L226 Difference]: Without dead ends: 747 [2019-09-10 02:34:55,764 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:34:55,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2019-09-10 02:34:55,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2019-09-10 02:34:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2019-09-10 02:34:55,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1133 transitions. [2019-09-10 02:34:55,792 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1133 transitions. Word has length 131 [2019-09-10 02:34:55,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:34:55,793 INFO L475 AbstractCegarLoop]: Abstraction has 747 states and 1133 transitions. [2019-09-10 02:34:55,794 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:34:55,794 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1133 transitions. [2019-09-10 02:34:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-09-10 02:34:55,797 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:34:55,797 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:34:55,797 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:34:55,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:34:55,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1840417433, now seen corresponding path program 1 times [2019-09-10 02:34:55,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:34:55,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:55,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:34:55,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:55,800 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:34:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:34:55,984 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-10 02:34:55,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:34:55,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:34:55,985 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:34:55,985 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:34:55,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:34:55,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:34:55,987 INFO L87 Difference]: Start difference. First operand 747 states and 1133 transitions. Second operand 7 states. [2019-09-10 02:34:56,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:34:56,058 INFO L93 Difference]: Finished difference Result 750 states and 1136 transitions. [2019-09-10 02:34:56,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:34:56,058 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2019-09-10 02:34:56,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:34:56,064 INFO L225 Difference]: With dead ends: 750 [2019-09-10 02:34:56,065 INFO L226 Difference]: Without dead ends: 747 [2019-09-10 02:34:56,065 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:34:56,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2019-09-10 02:34:56,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2019-09-10 02:34:56,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2019-09-10 02:34:56,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1132 transitions. [2019-09-10 02:34:56,090 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1132 transitions. Word has length 131 [2019-09-10 02:34:56,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:34:56,090 INFO L475 AbstractCegarLoop]: Abstraction has 747 states and 1132 transitions. [2019-09-10 02:34:56,090 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:34:56,090 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1132 transitions. [2019-09-10 02:34:56,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-09-10 02:34:56,092 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:34:56,092 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:34:56,093 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:34:56,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:34:56,093 INFO L82 PathProgramCache]: Analyzing trace with hash 948639604, now seen corresponding path program 1 times [2019-09-10 02:34:56,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:34:56,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:56,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:34:56,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:56,094 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:34:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:34:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-10 02:34:56,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:34:56,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 02:34:56,217 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:34:56,217 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 02:34:56,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 02:34:56,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:34:56,218 INFO L87 Difference]: Start difference. First operand 747 states and 1132 transitions. Second operand 5 states. [2019-09-10 02:34:56,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:34:56,328 INFO L93 Difference]: Finished difference Result 749 states and 1133 transitions. [2019-09-10 02:34:56,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 02:34:56,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2019-09-10 02:34:56,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:34:56,334 INFO L225 Difference]: With dead ends: 749 [2019-09-10 02:34:56,335 INFO L226 Difference]: Without dead ends: 747 [2019-09-10 02:34:56,335 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:34:56,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2019-09-10 02:34:56,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2019-09-10 02:34:56,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2019-09-10 02:34:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1131 transitions. [2019-09-10 02:34:56,360 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1131 transitions. Word has length 132 [2019-09-10 02:34:56,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:34:56,361 INFO L475 AbstractCegarLoop]: Abstraction has 747 states and 1131 transitions. [2019-09-10 02:34:56,361 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 02:34:56,361 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1131 transitions. [2019-09-10 02:34:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-09-10 02:34:56,363 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:34:56,363 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:34:56,363 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:34:56,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:34:56,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1456106658, now seen corresponding path program 1 times [2019-09-10 02:34:56,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:34:56,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:56,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:34:56,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:56,365 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:34:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:34:56,495 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-10 02:34:56,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:34:56,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 02:34:56,496 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:34:56,497 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 02:34:56,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 02:34:56,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:34:56,497 INFO L87 Difference]: Start difference. First operand 747 states and 1131 transitions. Second operand 5 states. [2019-09-10 02:34:56,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:34:56,556 INFO L93 Difference]: Finished difference Result 749 states and 1132 transitions. [2019-09-10 02:34:56,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 02:34:56,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2019-09-10 02:34:56,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:34:56,565 INFO L225 Difference]: With dead ends: 749 [2019-09-10 02:34:56,565 INFO L226 Difference]: Without dead ends: 747 [2019-09-10 02:34:56,566 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:34:56,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2019-09-10 02:34:56,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2019-09-10 02:34:56,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2019-09-10 02:34:56,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1130 transitions. [2019-09-10 02:34:56,597 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1130 transitions. Word has length 133 [2019-09-10 02:34:56,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:34:56,598 INFO L475 AbstractCegarLoop]: Abstraction has 747 states and 1130 transitions. [2019-09-10 02:34:56,598 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 02:34:56,598 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1130 transitions. [2019-09-10 02:34:56,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-09-10 02:34:56,600 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:34:56,600 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:34:56,600 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:34:56,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:34:56,601 INFO L82 PathProgramCache]: Analyzing trace with hash 857053327, now seen corresponding path program 1 times [2019-09-10 02:34:56,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:34:56,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:56,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:34:56,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:56,602 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:34:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:34:56,728 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-10 02:34:56,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:34:56,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 02:34:56,729 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:34:56,730 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 02:34:56,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 02:34:56,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:34:56,730 INFO L87 Difference]: Start difference. First operand 747 states and 1130 transitions. Second operand 5 states. [2019-09-10 02:34:56,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:34:56,789 INFO L93 Difference]: Finished difference Result 749 states and 1131 transitions. [2019-09-10 02:34:56,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 02:34:56,790 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2019-09-10 02:34:56,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:34:56,796 INFO L225 Difference]: With dead ends: 749 [2019-09-10 02:34:56,796 INFO L226 Difference]: Without dead ends: 747 [2019-09-10 02:34:56,796 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:34:56,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2019-09-10 02:34:56,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2019-09-10 02:34:56,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2019-09-10 02:34:56,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1129 transitions. [2019-09-10 02:34:56,819 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1129 transitions. Word has length 134 [2019-09-10 02:34:56,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:34:56,820 INFO L475 AbstractCegarLoop]: Abstraction has 747 states and 1129 transitions. [2019-09-10 02:34:56,820 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 02:34:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1129 transitions. [2019-09-10 02:34:56,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-09-10 02:34:56,822 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:34:56,822 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:34:56,822 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:34:56,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:34:56,823 INFO L82 PathProgramCache]: Analyzing trace with hash -898548391, now seen corresponding path program 1 times [2019-09-10 02:34:56,823 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:34:56,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:56,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:34:56,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:56,824 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:34:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:34:56,940 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-10 02:34:56,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:34:56,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 02:34:56,940 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:34:56,941 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 02:34:56,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 02:34:56,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:34:56,942 INFO L87 Difference]: Start difference. First operand 747 states and 1129 transitions. Second operand 5 states. [2019-09-10 02:34:56,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:34:56,994 INFO L93 Difference]: Finished difference Result 749 states and 1130 transitions. [2019-09-10 02:34:56,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 02:34:56,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2019-09-10 02:34:56,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:34:57,000 INFO L225 Difference]: With dead ends: 749 [2019-09-10 02:34:57,000 INFO L226 Difference]: Without dead ends: 747 [2019-09-10 02:34:57,001 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:34:57,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2019-09-10 02:34:57,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2019-09-10 02:34:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2019-09-10 02:34:57,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1128 transitions. [2019-09-10 02:34:57,023 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1128 transitions. Word has length 135 [2019-09-10 02:34:57,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:34:57,024 INFO L475 AbstractCegarLoop]: Abstraction has 747 states and 1128 transitions. [2019-09-10 02:34:57,024 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 02:34:57,024 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1128 transitions. [2019-09-10 02:34:57,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-09-10 02:34:57,026 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:34:57,026 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:34:57,027 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:34:57,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:34:57,027 INFO L82 PathProgramCache]: Analyzing trace with hash 63255978, now seen corresponding path program 1 times [2019-09-10 02:34:57,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:34:57,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:57,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:34:57,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:34:57,028 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:34:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:34:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:34:57,259 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:34:57,259 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:34:57,260 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2019-09-10 02:34:57,262 INFO L207 CegarAbsIntRunner]: [24], [25], [213], [215], [218], [221], [230], [269], [271], [273], [275], [277], [279], [280], [707], [861], [862], [995], [996], [1085], [1088], [1090], [1093], [1117], [1119], [1121], [1124], [1137], [1151], [1165], [1179], [1193], [1267], [1420], [1423], [1432], [1441], [1451], [1452], [1525], [1529], [1532], [1571], [1573], [1575], [1785], [1786], [1787], [1835], [1836], [1873], [1875], [1914], [1950], [1986], [2022], [2058], [2061], [2064], [2097], [2098], [2099], [2116], [2121], [2126], [2131], [2136], [2139], [2143], [2330], [2333], [2355], [2474], [2475], [2641], [2686], [2687], [2724], [2725], [2726], [2727], [2728], [2729], [2730], [2731], [2732], [2733], [2786], [2787], [2788], [2789], [2790], [2866], [2867], [2868], [2874], [2875], [2876], [2877], [3004], [3005], [3006], [3007], [3008], [3009], [3010], [3011], [3012], [3020], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3028], [3104], [3105], [3110], [3111], [3116], [3122], [3144], [3145], [3146] [2019-09-10 02:34:57,334 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:34:57,335 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:34:57,461 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:34:57,463 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 143 root evaluator evaluations with a maximum evaluation depth of 0. Performed 143 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 276 variables. [2019-09-10 02:34:57,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:34:57,468 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:34:57,563 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:34:57,563 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:34:57,569 INFO L420 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2019-09-10 02:34:57,570 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:34:57,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:34:57,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 10 [2019-09-10 02:34:57,572 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:34:57,573 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:34:57,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:34:57,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:34:57,574 INFO L87 Difference]: Start difference. First operand 747 states and 1128 transitions. Second operand 2 states. [2019-09-10 02:34:57,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:34:57,575 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:34:57,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:34:57,575 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 136 [2019-09-10 02:34:57,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:34:57,575 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:34:57,575 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:34:57,576 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 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 02:34:57,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:34:57,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:34:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:34:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:34:57,577 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2019-09-10 02:34:57,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:34:57,577 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:34:57,577 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:34:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:34:57,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:34:57,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:34:57 BoogieIcfgContainer [2019-09-10 02:34:57,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:34:57,586 INFO L168 Benchmark]: Toolchain (without parser) took 9700.71 ms. Allocated memory was 133.2 MB in the beginning and 417.3 MB in the end (delta: 284.2 MB). Free memory was 84.5 MB in the beginning and 326.4 MB in the end (delta: -241.9 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:34:57,588 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-10 02:34:57,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1289.89 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 84.3 MB in the beginning and 127.9 MB in the end (delta: -43.6 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:34:57,592 INFO L168 Benchmark]: Boogie Preprocessor took 216.19 ms. Allocated memory is still 200.8 MB. Free memory was 127.9 MB in the beginning and 117.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:34:57,599 INFO L168 Benchmark]: RCFGBuilder took 3044.12 ms. Allocated memory was 200.8 MB in the beginning and 265.3 MB in the end (delta: 64.5 MB). Free memory was 117.9 MB in the beginning and 109.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:34:57,599 INFO L168 Benchmark]: TraceAbstraction took 5143.21 ms. Allocated memory was 265.3 MB in the beginning and 417.3 MB in the end (delta: 152.0 MB). Free memory was 109.9 MB in the beginning and 326.4 MB in the end (delta: -216.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:34:57,607 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1289.89 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 84.3 MB in the beginning and 127.9 MB in the end (delta: -43.6 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 216.19 ms. Allocated memory is still 200.8 MB. Free memory was 127.9 MB in the beginning and 117.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3044.12 ms. Allocated memory was 200.8 MB in the beginning and 265.3 MB in the end (delta: 64.5 MB). Free memory was 117.9 MB in the beginning and 109.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5143.21 ms. Allocated memory was 265.3 MB in the beginning and 417.3 MB in the end (delta: 152.0 MB). Free memory was 109.9 MB in the beginning and 326.4 MB in the end (delta: -216.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1186]: 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 92 procedures, 1062 locations, 1 error locations. SAFE Result, 5.0s OverallTime, 12 OverallIterations, 5 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12632 SDtfs, 379 SDslu, 49042 SDs, 0 SdLazy, 488 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=949occurred 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, 1.9925925925925927 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1575 NumberOfCodeBlocks, 1575 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1563 ConstructedInterpolants, 0 QuantifiedInterpolants, 242696 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 394/396 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...