/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec13_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:28:44,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:28:44,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:28:44,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:28:44,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:28:44,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:28:44,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:28:44,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:28:44,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:28:44,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:28:44,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:28:44,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:28:44,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:28:44,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:28:44,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:28:44,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:28:44,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:28:44,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:28:44,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:28:44,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:28:44,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:28:44,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:28:44,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:28:44,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:28:44,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:28:44,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:28:44,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:28:44,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:28:44,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:28:44,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:28:44,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:28:44,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:28:44,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:28:44,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:28:44,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:28:44,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:28:44,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:28:44,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:28:44,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:28:44,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:28:44,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:28:44,130 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:28:44,163 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:28:44,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:28:44,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:28:44,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:28:44,168 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:28:44,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:28:44,169 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:28:44,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:28:44,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:28:44,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:28:44,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:28:44,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:28:44,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:28:44,172 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:28:44,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:28:44,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:28:44,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:28:44,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:28:44,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:28:44,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:28:44,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:28:44,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:28:44,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:28:44,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:28:44,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:28:44,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:28:44,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:28:44,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:28:44,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:28:44,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:28:44,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:28:44,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:28:44,461 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:28:44,463 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:28:44,464 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec13_product29.cil.c [2019-11-06 21:28:44,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0378ae4fe/9f4061711b9b47b98e48dcdf7e1c11c4/FLAGa7f519178 [2019-11-06 21:28:45,190 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:28:45,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec13_product29.cil.c [2019-11-06 21:28:45,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0378ae4fe/9f4061711b9b47b98e48dcdf7e1c11c4/FLAGa7f519178 [2019-11-06 21:28:45,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0378ae4fe/9f4061711b9b47b98e48dcdf7e1c11c4 [2019-11-06 21:28:45,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:28:45,390 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:28:45,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:28:45,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:28:45,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:28:45,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:28:45" (1/1) ... [2019-11-06 21:28:45,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637e353a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:28:45, skipping insertion in model container [2019-11-06 21:28:45,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:28:45" (1/1) ... [2019-11-06 21:28:45,410 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:28:45,498 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:28:46,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:28:46,230 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:28:46,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:28:46,433 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:28:46,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:28:46 WrapperNode [2019-11-06 21:28:46,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:28:46,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:28:46,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:28:46,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:28:46,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:28:46" (1/1) ... [2019-11-06 21:28:46,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:28:46" (1/1) ... [2019-11-06 21:28:46,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:28:46" (1/1) ... [2019-11-06 21:28:46,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:28:46" (1/1) ... [2019-11-06 21:28:46,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:28:46" (1/1) ... [2019-11-06 21:28:46,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:28:46" (1/1) ... [2019-11-06 21:28:46,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:28:46" (1/1) ... [2019-11-06 21:28:46,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:28:46,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:28:46,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:28:46,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:28:46,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:28:46" (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 [2019-11-06 21:28:46,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:28:46,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:28:46,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:28:46,736 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:28:46,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:28:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:28:46,738 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:28:46,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:28:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:28:46,739 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:28:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:28:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:28:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:28:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:28:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:28:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:28:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:28:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:28:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:28:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:28:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:28:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-11-06 21:28:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:28:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:28:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:28:46,749 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:28:46,749 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:28:46,749 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:28:46,749 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:28:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:28:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:28:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:28:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:28:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:28:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:28:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:28:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:28:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:28:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:28:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:28:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:28:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:28:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:28:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__1 [2019-11-06 21:28:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__2 [2019-11-06 21:28:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:28:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:28:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:28:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:28:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:28:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:28:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:28:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:28:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:28:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:28:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:28:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:28:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:28:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:28:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:28:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:28:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:28:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:28:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:28:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:28:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:28:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:28:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:28:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:28:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:28:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:28:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:28:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:28:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:28:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:28:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:28:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:28:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:28:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:28:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:28:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:28:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:28:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:28:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:28:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:28:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:28:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:28:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:28:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:28:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:28:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:28:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:28:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:28:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:28:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:28:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:28:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:28:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:28:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:28:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:28:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:28:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:28:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:28:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:28:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:28:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:28:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:28:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:28:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:28:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-11-06 21:28:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:28:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:28:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:28:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:28:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:28:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:28:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:28:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:28:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:28:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:28:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:28:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:28:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__1 [2019-11-06 21:28:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__2 [2019-11-06 21:28:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:28:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:28:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:28:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:28:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:28:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:28:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:28:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:28:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:28:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:28:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:28:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:28:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:28:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:28:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:28:46,778 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:28:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:28:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:28:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:28:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:28:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:28:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:28:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:28:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:28:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:28:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:28:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:28:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:28:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:28:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:28:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:28:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:28:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:28:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:28:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:28:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:28:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:28:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:28:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:28:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:28:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:28:49,232 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:28:49,232 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:28:49,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:28:49 BoogieIcfgContainer [2019-11-06 21:28:49,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:28:49,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:28:49,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:28:49,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:28:49,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:28:45" (1/3) ... [2019-11-06 21:28:49,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248f8ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:28:49, skipping insertion in model container [2019-11-06 21:28:49,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:28:46" (2/3) ... [2019-11-06 21:28:49,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248f8ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:28:49, skipping insertion in model container [2019-11-06 21:28:49,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:28:49" (3/3) ... [2019-11-06 21:28:49,247 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec13_product29.cil.c [2019-11-06 21:28:49,260 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:28:49,272 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:28:49,286 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:28:49,344 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:28:49,345 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:28:49,345 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:28:49,345 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:28:49,345 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:28:49,345 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:28:49,346 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:28:49,346 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:28:49,398 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states. [2019-11-06 21:28:49,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-06 21:28:49,433 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:28:49,435 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:28:49,438 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:28:49,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:28:49,444 INFO L82 PathProgramCache]: Analyzing trace with hash -332119901, now seen corresponding path program 1 times [2019-11-06 21:28:49,454 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:28:49,455 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249785287] [2019-11-06 21:28:49,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:28:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,145 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:28:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:51,688 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-06 21:28:51,688 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249785287] [2019-11-06 21:28:51,689 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952597969] [2019-11-06 21:28:51,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:28:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:52,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 2987 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-06 21:28:52,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:28:52,344 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-06 21:28:52,345 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 21:28:52,345 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [12] total 12 [2019-11-06 21:28:52,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354291335] [2019-11-06 21:28:52,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-06 21:28:52,352 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:28:52,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-06 21:28:52,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:28:52,370 INFO L87 Difference]: Start difference. First operand 804 states. Second operand 2 states. [2019-11-06 21:28:52,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:28:52,465 INFO L93 Difference]: Finished difference Result 1301 states and 2111 transitions. [2019-11-06 21:28:52,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-06 21:28:52,466 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 152 [2019-11-06 21:28:52,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:28:52,493 INFO L225 Difference]: With dead ends: 1301 [2019-11-06 21:28:52,494 INFO L226 Difference]: Without dead ends: 658 [2019-11-06 21:28:52,504 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:28:52,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2019-11-06 21:28:52,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2019-11-06 21:28:52,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2019-11-06 21:28:52,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 1047 transitions. [2019-11-06 21:28:52,611 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 1047 transitions. Word has length 152 [2019-11-06 21:28:52,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:28:52,615 INFO L462 AbstractCegarLoop]: Abstraction has 658 states and 1047 transitions. [2019-11-06 21:28:52,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-06 21:28:52,615 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1047 transitions. [2019-11-06 21:28:52,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-06 21:28:52,630 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:28:52,630 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:28:52,831 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:28:52,832 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:28:52,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:28:52,833 INFO L82 PathProgramCache]: Analyzing trace with hash 474844739, now seen corresponding path program 1 times [2019-11-06 21:28:52,833 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:28:52,834 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866526012] [2019-11-06 21:28:52,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:28:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:53,843 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:28:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,040 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:28:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-06 21:28:54,392 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866526012] [2019-11-06 21:28:54,392 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528070336] [2019-11-06 21:28:54,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:28:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:54,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 2981 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-06 21:28:55,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:28:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-06 21:28:55,097 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 21:28:55,097 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 14 [2019-11-06 21:28:55,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524532076] [2019-11-06 21:28:55,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 21:28:55,099 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:28:55,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 21:28:55,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2019-11-06 21:28:55,099 INFO L87 Difference]: Start difference. First operand 658 states and 1047 transitions. Second operand 4 states. [2019-11-06 21:28:55,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:28:55,303 INFO L93 Difference]: Finished difference Result 1299 states and 2084 transitions. [2019-11-06 21:28:55,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 21:28:55,304 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2019-11-06 21:28:55,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:28:55,310 INFO L225 Difference]: With dead ends: 1299 [2019-11-06 21:28:55,310 INFO L226 Difference]: Without dead ends: 667 [2019-11-06 21:28:55,315 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-11-06 21:28:55,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2019-11-06 21:28:55,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 667. [2019-11-06 21:28:55,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2019-11-06 21:28:55,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1061 transitions. [2019-11-06 21:28:55,352 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1061 transitions. Word has length 152 [2019-11-06 21:28:55,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:28:55,352 INFO L462 AbstractCegarLoop]: Abstraction has 667 states and 1061 transitions. [2019-11-06 21:28:55,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 21:28:55,353 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1061 transitions. [2019-11-06 21:28:55,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-06 21:28:55,362 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:28:55,363 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:28:55,570 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:28:55,570 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:28:55,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:28:55,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1998614119, now seen corresponding path program 1 times [2019-11-06 21:28:55,571 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:28:55,572 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692649020] [2019-11-06 21:28:55,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:28:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,486 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:28:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-06 21:28:56,915 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692649020] [2019-11-06 21:28:56,916 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852847137] [2019-11-06 21:28:56,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:28:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:57,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 2983 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-06 21:28:57,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:28:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-06 21:28:57,578 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 21:28:57,578 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2019-11-06 21:28:57,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945028887] [2019-11-06 21:28:57,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 21:28:57,579 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:28:57,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 21:28:57,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-06 21:28:57,580 INFO L87 Difference]: Start difference. First operand 667 states and 1061 transitions. Second operand 7 states. [2019-11-06 21:28:57,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:28:57,766 INFO L93 Difference]: Finished difference Result 1317 states and 2109 transitions. [2019-11-06 21:28:57,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 21:28:57,767 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2019-11-06 21:28:57,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:28:57,773 INFO L225 Difference]: With dead ends: 1317 [2019-11-06 21:28:57,773 INFO L226 Difference]: Without dead ends: 678 [2019-11-06 21:28:57,777 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2019-11-06 21:28:57,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2019-11-06 21:28:57,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 674. [2019-11-06 21:28:57,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2019-11-06 21:28:57,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 1073 transitions. [2019-11-06 21:28:57,821 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 1073 transitions. Word has length 154 [2019-11-06 21:28:57,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:28:57,822 INFO L462 AbstractCegarLoop]: Abstraction has 674 states and 1073 transitions. [2019-11-06 21:28:57,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 21:28:57,822 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1073 transitions. [2019-11-06 21:28:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-06 21:28:57,831 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:28:57,831 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:28:58,038 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:28:58,038 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:28:58,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:28:58,038 INFO L82 PathProgramCache]: Analyzing trace with hash -118777742, now seen corresponding path program 1 times [2019-11-06 21:28:58,039 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:28:58,039 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351748169] [2019-11-06 21:28:58,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:28:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,171 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:28:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:28:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-06 21:28:59,564 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351748169] [2019-11-06 21:28:59,564 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081500046] [2019-11-06 21:28:59,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:00,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 2984 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-06 21:29:00,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:29:00,419 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-06 21:29:00,420 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 21:29:00,420 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2019-11-06 21:29:00,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487883291] [2019-11-06 21:29:00,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 21:29:00,422 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:29:00,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 21:29:00,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:29:00,424 INFO L87 Difference]: Start difference. First operand 674 states and 1073 transitions. Second operand 4 states. [2019-11-06 21:29:00,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:29:00,533 INFO L93 Difference]: Finished difference Result 1333 states and 2134 transitions. [2019-11-06 21:29:00,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 21:29:00,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2019-11-06 21:29:00,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:29:00,544 INFO L225 Difference]: With dead ends: 1333 [2019-11-06 21:29:00,544 INFO L226 Difference]: Without dead ends: 685 [2019-11-06 21:29:00,550 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:29:00,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2019-11-06 21:29:00,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 683. [2019-11-06 21:29:00,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2019-11-06 21:29:00,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1081 transitions. [2019-11-06 21:29:00,583 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1081 transitions. Word has length 155 [2019-11-06 21:29:00,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:29:00,583 INFO L462 AbstractCegarLoop]: Abstraction has 683 states and 1081 transitions. [2019-11-06 21:29:00,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 21:29:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1081 transitions. [2019-11-06 21:29:00,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-06 21:29:00,592 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:29:00,592 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:29:00,799 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:00,800 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:29:00,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:29:00,800 INFO L82 PathProgramCache]: Analyzing trace with hash 31725172, now seen corresponding path program 1 times [2019-11-06 21:29:00,800 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:29:00,800 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355014852] [2019-11-06 21:29:00,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:29:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:01,694 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:29:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:01,897 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:29:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-06 21:29:02,153 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355014852] [2019-11-06 21:29:02,153 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44534549] [2019-11-06 21:29:02,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:02,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 2984 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-06 21:29:02,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:29:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-06 21:29:03,008 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 21:29:03,008 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2019-11-06 21:29:03,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298269149] [2019-11-06 21:29:03,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 21:29:03,010 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:29:03,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 21:29:03,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2019-11-06 21:29:03,012 INFO L87 Difference]: Start difference. First operand 683 states and 1081 transitions. Second operand 7 states. [2019-11-06 21:29:03,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:29:03,176 INFO L93 Difference]: Finished difference Result 1334 states and 2125 transitions. [2019-11-06 21:29:03,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 21:29:03,177 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 155 [2019-11-06 21:29:03,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:29:03,196 INFO L225 Difference]: With dead ends: 1334 [2019-11-06 21:29:03,196 INFO L226 Difference]: Without dead ends: 692 [2019-11-06 21:29:03,200 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2019-11-06 21:29:03,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2019-11-06 21:29:03,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 683. [2019-11-06 21:29:03,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2019-11-06 21:29:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1081 transitions. [2019-11-06 21:29:03,229 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1081 transitions. Word has length 155 [2019-11-06 21:29:03,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:29:03,230 INFO L462 AbstractCegarLoop]: Abstraction has 683 states and 1081 transitions. [2019-11-06 21:29:03,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 21:29:03,230 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1081 transitions. [2019-11-06 21:29:03,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-06 21:29:03,236 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:29:03,236 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:29:03,451 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:03,452 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:29:03,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:29:03,452 INFO L82 PathProgramCache]: Analyzing trace with hash -615340944, now seen corresponding path program 1 times [2019-11-06 21:29:03,452 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:29:03,452 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563788805] [2019-11-06 21:29:03,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:29:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,299 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:29:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-06 21:29:04,607 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563788805] [2019-11-06 21:29:04,608 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851285748] [2019-11-06 21:29:04,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:05,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 2986 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-06 21:29:05,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:29:05,249 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-06 21:29:05,250 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 21:29:05,250 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2019-11-06 21:29:05,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761663811] [2019-11-06 21:29:05,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 21:29:05,251 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:29:05,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 21:29:05,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:29:05,252 INFO L87 Difference]: Start difference. First operand 683 states and 1081 transitions. Second operand 4 states. [2019-11-06 21:29:05,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:29:05,515 INFO L93 Difference]: Finished difference Result 1367 states and 2195 transitions. [2019-11-06 21:29:05,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 21:29:05,515 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2019-11-06 21:29:05,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:29:05,525 INFO L225 Difference]: With dead ends: 1367 [2019-11-06 21:29:05,525 INFO L226 Difference]: Without dead ends: 725 [2019-11-06 21:29:05,530 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:29:05,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2019-11-06 21:29:05,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 722. [2019-11-06 21:29:05,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2019-11-06 21:29:05,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1154 transitions. [2019-11-06 21:29:05,565 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1154 transitions. Word has length 158 [2019-11-06 21:29:05,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:29:05,566 INFO L462 AbstractCegarLoop]: Abstraction has 722 states and 1154 transitions. [2019-11-06 21:29:05,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 21:29:05,566 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1154 transitions. [2019-11-06 21:29:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-06 21:29:05,572 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:29:05,572 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:29:05,790 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:05,791 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:29:05,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:29:05,791 INFO L82 PathProgramCache]: Analyzing trace with hash -35711704, now seen corresponding path program 1 times [2019-11-06 21:29:05,791 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:29:05,792 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235875951] [2019-11-06 21:29:05,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:29:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,631 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:29:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:06,978 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-06 21:29:06,978 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235875951] [2019-11-06 21:29:06,978 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275598766] [2019-11-06 21:29:06,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:07,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 2988 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-06 21:29:07,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:29:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-06 21:29:07,616 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 21:29:07,617 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2019-11-06 21:29:07,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602577562] [2019-11-06 21:29:07,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 21:29:07,618 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:29:07,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 21:29:07,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:29:07,618 INFO L87 Difference]: Start difference. First operand 722 states and 1154 transitions. Second operand 4 states. [2019-11-06 21:29:07,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:29:07,711 INFO L93 Difference]: Finished difference Result 1391 states and 2241 transitions. [2019-11-06 21:29:07,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 21:29:07,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2019-11-06 21:29:07,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:29:07,719 INFO L225 Difference]: With dead ends: 1391 [2019-11-06 21:29:07,719 INFO L226 Difference]: Without dead ends: 722 [2019-11-06 21:29:07,725 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:29:07,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2019-11-06 21:29:07,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2019-11-06 21:29:07,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2019-11-06 21:29:07,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1149 transitions. [2019-11-06 21:29:07,757 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1149 transitions. Word has length 160 [2019-11-06 21:29:07,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:29:07,757 INFO L462 AbstractCegarLoop]: Abstraction has 722 states and 1149 transitions. [2019-11-06 21:29:07,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 21:29:07,758 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1149 transitions. [2019-11-06 21:29:07,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-11-06 21:29:07,763 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:29:07,763 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:29:07,970 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:07,971 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:29:07,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:29:07,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1690094261, now seen corresponding path program 1 times [2019-11-06 21:29:07,972 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:29:07,972 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263018033] [2019-11-06 21:29:07,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:29:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,748 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:29:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:09,075 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-06 21:29:09,075 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263018033] [2019-11-06 21:29:09,076 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650431445] [2019-11-06 21:29:09,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:09,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 2989 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-06 21:29:09,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:29:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:29:09,789 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 21:29:09,789 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2019-11-06 21:29:09,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817827002] [2019-11-06 21:29:09,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 21:29:09,793 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:29:09,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 21:29:09,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-06 21:29:09,794 INFO L87 Difference]: Start difference. First operand 722 states and 1149 transitions. Second operand 7 states. [2019-11-06 21:29:09,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:29:09,932 INFO L93 Difference]: Finished difference Result 1359 states and 2173 transitions. [2019-11-06 21:29:09,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 21:29:09,933 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 161 [2019-11-06 21:29:09,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:29:09,940 INFO L225 Difference]: With dead ends: 1359 [2019-11-06 21:29:09,940 INFO L226 Difference]: Without dead ends: 736 [2019-11-06 21:29:09,944 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2019-11-06 21:29:09,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2019-11-06 21:29:09,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 729. [2019-11-06 21:29:09,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-06 21:29:09,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1160 transitions. [2019-11-06 21:29:09,988 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1160 transitions. Word has length 161 [2019-11-06 21:29:09,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:29:09,989 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1160 transitions. [2019-11-06 21:29:09,989 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 21:29:09,989 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1160 transitions. [2019-11-06 21:29:09,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-06 21:29:09,997 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:29:09,997 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:29:10,204 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:10,205 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:29:10,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:29:10,205 INFO L82 PathProgramCache]: Analyzing trace with hash -696135748, now seen corresponding path program 1 times [2019-11-06 21:29:10,206 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:29:10,206 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451767602] [2019-11-06 21:29:10,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:29:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:10,992 WARN L191 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:29:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,309 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-06 21:29:11,310 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451767602] [2019-11-06 21:29:11,310 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815621631] [2019-11-06 21:29:11,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:11,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 2990 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-06 21:29:11,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:29:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:29:12,009 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 21:29:12,009 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2019-11-06 21:29:12,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133156334] [2019-11-06 21:29:12,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 21:29:12,010 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:29:12,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 21:29:12,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-06 21:29:12,011 INFO L87 Difference]: Start difference. First operand 729 states and 1160 transitions. Second operand 7 states. [2019-11-06 21:29:12,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:29:12,152 INFO L93 Difference]: Finished difference Result 1359 states and 2172 transitions. [2019-11-06 21:29:12,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 21:29:12,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2019-11-06 21:29:12,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:29:12,162 INFO L225 Difference]: With dead ends: 1359 [2019-11-06 21:29:12,162 INFO L226 Difference]: Without dead ends: 736 [2019-11-06 21:29:12,167 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2019-11-06 21:29:12,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2019-11-06 21:29:12,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 726. [2019-11-06 21:29:12,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2019-11-06 21:29:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1154 transitions. [2019-11-06 21:29:12,212 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1154 transitions. Word has length 162 [2019-11-06 21:29:12,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:29:12,213 INFO L462 AbstractCegarLoop]: Abstraction has 726 states and 1154 transitions. [2019-11-06 21:29:12,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 21:29:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1154 transitions. [2019-11-06 21:29:12,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-06 21:29:12,225 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:29:12,225 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:29:12,434 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:12,434 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:29:12,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:29:12,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1199463028, now seen corresponding path program 1 times [2019-11-06 21:29:12,435 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:29:12,435 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919406978] [2019-11-06 21:29:12,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:29:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,292 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:29:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:13,633 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-06 21:29:13,633 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919406978] [2019-11-06 21:29:13,633 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59191917] [2019-11-06 21:29:13,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:14,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 2990 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-06 21:29:14,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:29:14,209 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-06 21:29:14,209 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 21:29:14,209 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2019-11-06 21:29:14,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446956212] [2019-11-06 21:29:14,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 21:29:14,210 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:29:14,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 21:29:14,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:29:14,211 INFO L87 Difference]: Start difference. First operand 726 states and 1154 transitions. Second operand 4 states. [2019-11-06 21:29:14,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:29:14,314 INFO L93 Difference]: Finished difference Result 1395 states and 2241 transitions. [2019-11-06 21:29:14,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-06 21:29:14,314 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 162 [2019-11-06 21:29:14,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:29:14,320 INFO L225 Difference]: With dead ends: 1395 [2019-11-06 21:29:14,320 INFO L226 Difference]: Without dead ends: 726 [2019-11-06 21:29:14,324 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:29:14,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2019-11-06 21:29:14,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 726. [2019-11-06 21:29:14,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2019-11-06 21:29:14,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1151 transitions. [2019-11-06 21:29:14,350 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1151 transitions. Word has length 162 [2019-11-06 21:29:14,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:29:14,350 INFO L462 AbstractCegarLoop]: Abstraction has 726 states and 1151 transitions. [2019-11-06 21:29:14,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 21:29:14,351 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1151 transitions. [2019-11-06 21:29:14,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-06 21:29:14,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:29:14,357 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:29:14,564 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:14,564 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:29:14,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:29:14,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1193684081, now seen corresponding path program 1 times [2019-11-06 21:29:14,565 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:29:14,565 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107871825] [2019-11-06 21:29:14,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:29:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,444 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:29:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-06 21:29:15,735 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107871825] [2019-11-06 21:29:15,735 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698131623] [2019-11-06 21:29:15,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:16,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 2991 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-06 21:29:16,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:29:16,316 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-06 21:29:16,316 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 21:29:16,317 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2019-11-06 21:29:16,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798895553] [2019-11-06 21:29:16,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 21:29:16,317 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:29:16,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 21:29:16,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:29:16,318 INFO L87 Difference]: Start difference. First operand 726 states and 1151 transitions. Second operand 4 states. [2019-11-06 21:29:16,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:29:16,514 INFO L93 Difference]: Finished difference Result 1391 states and 2235 transitions. [2019-11-06 21:29:16,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 21:29:16,515 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 163 [2019-11-06 21:29:16,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:29:16,520 INFO L225 Difference]: With dead ends: 1391 [2019-11-06 21:29:16,520 INFO L226 Difference]: Without dead ends: 768 [2019-11-06 21:29:16,524 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:29:16,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2019-11-06 21:29:16,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 768. [2019-11-06 21:29:16,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2019-11-06 21:29:16,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1228 transitions. [2019-11-06 21:29:16,547 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1228 transitions. Word has length 163 [2019-11-06 21:29:16,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:29:16,547 INFO L462 AbstractCegarLoop]: Abstraction has 768 states and 1228 transitions. [2019-11-06 21:29:16,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 21:29:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1228 transitions. [2019-11-06 21:29:16,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-06 21:29:16,552 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:29:16,553 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:29:16,759 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:16,760 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:29:16,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:29:16,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1100933032, now seen corresponding path program 1 times [2019-11-06 21:29:16,761 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:29:16,761 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409095897] [2019-11-06 21:29:16,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:29:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,619 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:29:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:17,953 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-06 21:29:17,954 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409095897] [2019-11-06 21:29:17,954 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620415783] [2019-11-06 21:29:17,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:18,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 2992 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-06 21:29:18,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:29:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-06 21:29:18,546 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 21:29:18,546 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 9 [2019-11-06 21:29:18,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078744013] [2019-11-06 21:29:18,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 21:29:18,547 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:29:18,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 21:29:18,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:29:18,548 INFO L87 Difference]: Start difference. First operand 768 states and 1228 transitions. Second operand 4 states. [2019-11-06 21:29:18,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:29:18,633 INFO L93 Difference]: Finished difference Result 1495 states and 2412 transitions. [2019-11-06 21:29:18,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 21:29:18,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2019-11-06 21:29:18,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:29:18,639 INFO L225 Difference]: With dead ends: 1495 [2019-11-06 21:29:18,639 INFO L226 Difference]: Without dead ends: 745 [2019-11-06 21:29:18,643 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:29:18,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2019-11-06 21:29:18,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 745. [2019-11-06 21:29:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2019-11-06 21:29:18,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1185 transitions. [2019-11-06 21:29:18,669 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1185 transitions. Word has length 165 [2019-11-06 21:29:18,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:29:18,669 INFO L462 AbstractCegarLoop]: Abstraction has 745 states and 1185 transitions. [2019-11-06 21:29:18,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 21:29:18,669 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1185 transitions. [2019-11-06 21:29:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-06 21:29:18,674 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:29:18,675 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:29:18,882 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:29:18,882 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:29:18,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:29:18,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1009694125, now seen corresponding path program 1 times [2019-11-06 21:29:18,883 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:29:18,883 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804613934] [2019-11-06 21:29:18,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:29:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,672 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:29:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:29:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat