/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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:01:47,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:01:47,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:01:47,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:01:47,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:01:47,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:01:47,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:01:47,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:01:47,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:01:47,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:01:47,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:01:47,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:01:47,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:01:47,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:01:47,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:01:47,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:01:47,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:01:47,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:01:47,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:01:47,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:01:47,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:01:47,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:01:47,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:01:47,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:01:47,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:01:47,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:01:47,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:01:47,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:01:47,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:01:47,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:01:47,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:01:47,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:01:47,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:01:47,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:01:47,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:01:47,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:01:47,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:01:47,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:01:47,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:01:47,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:01:47,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:01:47,470 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 [2019-11-07 01:01:47,493 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:01:47,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:01:47,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:01:47,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:01:47,496 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:01:47,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:01:47,497 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:01:47,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:01:47,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:01:47,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:01:47,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:01:47,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:01:47,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:01:47,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:01:47,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:01:47,499 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:01:47,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:01:47,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:01:47,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:01:47,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:01:47,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:01:47,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:01:47,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:01:47,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:01:47,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:01:47,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:01:47,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:01:47,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:01:47,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:01:47,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:01:47,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:01:47,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:01:47,892 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:01:47,893 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:01:47,894 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product50.cil.c [2019-11-07 01:01:47,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf3f3c608/b5e8380cbdcf4e50a2e9d48e49c112d6/FLAG1859630d7 [2019-11-07 01:01:48,497 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:01:48,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product50.cil.c [2019-11-07 01:01:48,513 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf3f3c608/b5e8380cbdcf4e50a2e9d48e49c112d6/FLAG1859630d7 [2019-11-07 01:01:48,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf3f3c608/b5e8380cbdcf4e50a2e9d48e49c112d6 [2019-11-07 01:01:48,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:01:48,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:01:48,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:48,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:01:48,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:01:48,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6670e142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48, skipping insertion in model container [2019-11-07 01:01:48,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,888 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:01:48,947 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:01:49,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:49,382 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:01:49,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:49,561 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:01:49,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:49 WrapperNode [2019-11-07 01:01:49,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:49,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:01:49,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:01:49,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:01:49,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:49" (1/1) ... [2019-11-07 01:01:49,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:49" (1/1) ... [2019-11-07 01:01:49,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:49" (1/1) ... [2019-11-07 01:01:49,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:49" (1/1) ... [2019-11-07 01:01:49,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:49" (1/1) ... [2019-11-07 01:01:49,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:49" (1/1) ... [2019-11-07 01:01:49,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:49" (1/1) ... [2019-11-07 01:01:49,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:01:49,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:01:49,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:01:49,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:01:49,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:01:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:01:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:01:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:01:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:01:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:01:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:01:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:01:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:01:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:01:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:01:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:01:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:01:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:01:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:01:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:01:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:01:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:01:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:01:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:01:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:01:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:01:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:01:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 01:01:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:01:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:01:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:01:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:01:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:01:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:01:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:01:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:01:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:01:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:01:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 01:01:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:01:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:01:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:01:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:01:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:01:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:01:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:01:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:01:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:01:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:01:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:01:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:01:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:01:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:01:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:01:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:01:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:01:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:01:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:01:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:01:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:01:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:01:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:01:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:01:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:01:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:01:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:01:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:01:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:01:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:01:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:01:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:01:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:01:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:01:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:01:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:01:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:01:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:01:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:01:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 01:01:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:01:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:01:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:01:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:01:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:01:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:01:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:01:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 01:01:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:01:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:01:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:01:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:01:51,007 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:01:51,008 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:01:51,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:51 BoogieIcfgContainer [2019-11-07 01:01:51,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:01:51,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:01:51,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:01:51,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:01:51,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:01:48" (1/3) ... [2019-11-07 01:01:51,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26068378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:51, skipping insertion in model container [2019-11-07 01:01:51,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:49" (2/3) ... [2019-11-07 01:01:51,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26068378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:51, skipping insertion in model container [2019-11-07 01:01:51,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:51" (3/3) ... [2019-11-07 01:01:51,020 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2019-11-07 01:01:51,031 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:01:51,042 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:01:51,054 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:01:51,097 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:01:51,097 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:01:51,098 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:01:51,098 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:01:51,098 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:01:51,098 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:01:51,098 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:01:51,099 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:01:51,123 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-11-07 01:01:51,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 01:01:51,132 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:51,133 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:51,136 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:51,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:51,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1488722281, now seen corresponding path program 1 times [2019-11-07 01:01:51,153 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:51,153 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082936575] [2019-11-07 01:01:51,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:51,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:51,516 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082936575] [2019-11-07 01:01:51,517 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:51,518 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:01:51,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691522974] [2019-11-07 01:01:51,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:51,526 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:51,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:01:51,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:51,542 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2019-11-07 01:01:51,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:51,631 INFO L93 Difference]: Finished difference Result 264 states and 325 transitions. [2019-11-07 01:01:51,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:51,634 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 01:01:51,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:51,665 INFO L225 Difference]: With dead ends: 264 [2019-11-07 01:01:51,665 INFO L226 Difference]: Without dead ends: 132 [2019-11-07 01:01:51,673 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:51,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-11-07 01:01:51,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2019-11-07 01:01:51,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-07 01:01:51,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions. [2019-11-07 01:01:51,782 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 46 [2019-11-07 01:01:51,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:51,783 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions. [2019-11-07 01:01:51,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:51,783 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2019-11-07 01:01:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 01:01:51,790 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:51,791 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:51,791 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:51,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:51,792 INFO L82 PathProgramCache]: Analyzing trace with hash 469599371, now seen corresponding path program 1 times [2019-11-07 01:01:51,792 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:51,792 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544019368] [2019-11-07 01:01:51,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:51,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:51,966 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544019368] [2019-11-07 01:01:51,966 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:51,966 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:01:51,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733024406] [2019-11-07 01:01:51,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:01:51,969 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:51,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:01:51,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:51,971 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand 3 states. [2019-11-07 01:01:52,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:52,013 INFO L93 Difference]: Finished difference Result 209 states and 243 transitions. [2019-11-07 01:01:52,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:01:52,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 01:01:52,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:52,018 INFO L225 Difference]: With dead ends: 209 [2019-11-07 01:01:52,018 INFO L226 Difference]: Without dead ends: 123 [2019-11-07 01:01:52,023 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:52,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-11-07 01:01:52,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-11-07 01:01:52,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-07 01:01:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2019-11-07 01:01:52,047 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 47 [2019-11-07 01:01:52,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:52,047 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2019-11-07 01:01:52,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:01:52,047 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2019-11-07 01:01:52,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 01:01:52,055 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:52,056 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:52,056 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:52,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:52,056 INFO L82 PathProgramCache]: Analyzing trace with hash 305445596, now seen corresponding path program 1 times [2019-11-07 01:01:52,057 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:52,057 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140099223] [2019-11-07 01:01:52,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:52,249 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140099223] [2019-11-07 01:01:52,249 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:52,250 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:01:52,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835609003] [2019-11-07 01:01:52,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:01:52,251 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:52,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:01:52,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:01:52,253 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 7 states. [2019-11-07 01:01:52,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:52,583 INFO L93 Difference]: Finished difference Result 222 states and 261 transitions. [2019-11-07 01:01:52,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:01:52,584 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-11-07 01:01:52,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:52,587 INFO L225 Difference]: With dead ends: 222 [2019-11-07 01:01:52,587 INFO L226 Difference]: Without dead ends: 123 [2019-11-07 01:01:52,591 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:52,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-11-07 01:01:52,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-11-07 01:01:52,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-07 01:01:52,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2019-11-07 01:01:52,613 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 52 [2019-11-07 01:01:52,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:52,614 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2019-11-07 01:01:52,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:01:52,614 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2019-11-07 01:01:52,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-07 01:01:52,617 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:52,617 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:52,618 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:52,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:52,618 INFO L82 PathProgramCache]: Analyzing trace with hash 892474279, now seen corresponding path program 1 times [2019-11-07 01:01:52,619 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:52,619 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663359805] [2019-11-07 01:01:52,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:52,794 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663359805] [2019-11-07 01:01:52,794 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:52,794 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:01:52,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660946213] [2019-11-07 01:01:52,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:01:52,795 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:52,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:01:52,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:01:52,796 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand 5 states. [2019-11-07 01:01:53,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:53,304 INFO L93 Difference]: Finished difference Result 321 states and 385 transitions. [2019-11-07 01:01:53,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:01:53,304 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-11-07 01:01:53,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:53,309 INFO L225 Difference]: With dead ends: 321 [2019-11-07 01:01:53,310 INFO L226 Difference]: Without dead ends: 222 [2019-11-07 01:01:53,310 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:01:53,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-11-07 01:01:53,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 203. [2019-11-07 01:01:53,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-11-07 01:01:53,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 230 transitions. [2019-11-07 01:01:53,345 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 230 transitions. Word has length 65 [2019-11-07 01:01:53,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:53,346 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 230 transitions. [2019-11-07 01:01:53,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:01:53,346 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 230 transitions. [2019-11-07 01:01:53,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-07 01:01:53,347 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:53,348 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:53,348 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:53,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:53,348 INFO L82 PathProgramCache]: Analyzing trace with hash 861206730, now seen corresponding path program 1 times [2019-11-07 01:01:53,349 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:53,349 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661276329] [2019-11-07 01:01:53,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:53,492 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661276329] [2019-11-07 01:01:53,492 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:53,493 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:01:53,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743134707] [2019-11-07 01:01:53,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:01:53,494 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:53,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:01:53,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:53,495 INFO L87 Difference]: Start difference. First operand 203 states and 230 transitions. Second operand 10 states. [2019-11-07 01:01:54,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:54,131 INFO L93 Difference]: Finished difference Result 650 states and 804 transitions. [2019-11-07 01:01:54,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 01:01:54,131 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2019-11-07 01:01:54,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:54,144 INFO L225 Difference]: With dead ends: 650 [2019-11-07 01:01:54,145 INFO L226 Difference]: Without dead ends: 471 [2019-11-07 01:01:54,148 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:01:54,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2019-11-07 01:01:54,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 461. [2019-11-07 01:01:54,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2019-11-07 01:01:54,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 541 transitions. [2019-11-07 01:01:54,211 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 541 transitions. Word has length 79 [2019-11-07 01:01:54,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:54,211 INFO L462 AbstractCegarLoop]: Abstraction has 461 states and 541 transitions. [2019-11-07 01:01:54,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:01:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 541 transitions. [2019-11-07 01:01:54,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-07 01:01:54,214 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:54,215 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] [2019-11-07 01:01:54,215 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:54,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:54,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1471064898, now seen corresponding path program 1 times [2019-11-07 01:01:54,216 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:54,216 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411279205] [2019-11-07 01:01:54,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:54,326 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 01:01:54,327 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411279205] [2019-11-07 01:01:54,327 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073332531] [2019-11-07 01:01:54,327 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 [2019-11-07 01:01:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:54,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 845 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-07 01:01:54,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-07 01:01:54,607 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 01:01:54,862 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:01:54,862 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 6 [2019-11-07 01:01:54,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663711080] [2019-11-07 01:01:54,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:01:54,863 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:54,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:01:54,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:01:54,864 INFO L87 Difference]: Start difference. First operand 461 states and 541 transitions. Second operand 6 states. [2019-11-07 01:01:54,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:54,912 INFO L93 Difference]: Finished difference Result 913 states and 1093 transitions. [2019-11-07 01:01:54,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:01:54,914 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2019-11-07 01:01:54,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:54,918 INFO L225 Difference]: With dead ends: 913 [2019-11-07 01:01:54,918 INFO L226 Difference]: Without dead ends: 476 [2019-11-07 01:01:54,919 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:01:54,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2019-11-07 01:01:54,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2019-11-07 01:01:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2019-11-07 01:01:54,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 557 transitions. [2019-11-07 01:01:54,953 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 557 transitions. Word has length 130 [2019-11-07 01:01:54,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:54,953 INFO L462 AbstractCegarLoop]: Abstraction has 476 states and 557 transitions. [2019-11-07 01:01:54,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:01:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 557 transitions. [2019-11-07 01:01:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-07 01:01:54,957 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:54,957 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] [2019-11-07 01:01:55,162 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:55,163 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:55,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:55,164 INFO L82 PathProgramCache]: Analyzing trace with hash 73716214, now seen corresponding path program 1 times [2019-11-07 01:01:55,164 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:55,164 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824728962] [2019-11-07 01:01:55,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:55,317 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 01:01:55,318 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824728962] [2019-11-07 01:01:55,318 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645050863] [2019-11-07 01:01:55,318 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 [2019-11-07 01:01:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:55,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-07 01:01:55,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:55,570 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-07 01:01:55,570 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 01:01:55,897 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:01:55,897 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 5] total 11 [2019-11-07 01:01:55,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131881674] [2019-11-07 01:01:55,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:01:55,923 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:55,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:01:55,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-07 01:01:55,925 INFO L87 Difference]: Start difference. First operand 476 states and 557 transitions. Second operand 5 states. [2019-11-07 01:01:55,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:55,964 INFO L93 Difference]: Finished difference Result 856 states and 1027 transitions. [2019-11-07 01:01:55,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:01:55,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2019-11-07 01:01:55,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:55,968 INFO L225 Difference]: With dead ends: 856 [2019-11-07 01:01:55,968 INFO L226 Difference]: Without dead ends: 404 [2019-11-07 01:01:55,970 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 265 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-07 01:01:55,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2019-11-07 01:01:55,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2019-11-07 01:01:55,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2019-11-07 01:01:55,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 466 transitions. [2019-11-07 01:01:55,996 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 466 transitions. Word has length 134 [2019-11-07 01:01:55,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:55,997 INFO L462 AbstractCegarLoop]: Abstraction has 404 states and 466 transitions. [2019-11-07 01:01:55,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:01:55,997 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 466 transitions. [2019-11-07 01:01:55,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-07 01:01:55,999 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:56,000 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] [2019-11-07 01:01:56,205 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:56,205 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:56,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:56,206 INFO L82 PathProgramCache]: Analyzing trace with hash 34208085, now seen corresponding path program 1 times [2019-11-07 01:01:56,206 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:56,206 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461480805] [2019-11-07 01:01:56,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:56,281 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 01:01:56,282 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461480805] [2019-11-07 01:01:56,282 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:56,282 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:01:56,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191393560] [2019-11-07 01:01:56,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:01:56,283 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:56,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:01:56,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:01:56,284 INFO L87 Difference]: Start difference. First operand 404 states and 466 transitions. Second operand 6 states. [2019-11-07 01:01:56,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:56,332 INFO L93 Difference]: Finished difference Result 733 states and 858 transitions. [2019-11-07 01:01:56,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:01:56,333 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2019-11-07 01:01:56,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:56,336 INFO L225 Difference]: With dead ends: 733 [2019-11-07 01:01:56,336 INFO L226 Difference]: Without dead ends: 414 [2019-11-07 01:01:56,338 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:01:56,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2019-11-07 01:01:56,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2019-11-07 01:01:56,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-11-07 01:01:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 476 transitions. [2019-11-07 01:01:56,361 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 476 transitions. Word has length 134 [2019-11-07 01:01:56,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:56,361 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 476 transitions. [2019-11-07 01:01:56,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:01:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 476 transitions. [2019-11-07 01:01:56,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-07 01:01:56,364 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:56,364 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-07 01:01:56,365 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:56,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:56,365 INFO L82 PathProgramCache]: Analyzing trace with hash -788785688, now seen corresponding path program 1 times [2019-11-07 01:01:56,365 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:56,366 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806826441] [2019-11-07 01:01:56,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:56,481 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-07 01:01:56,481 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806826441] [2019-11-07 01:01:56,481 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40168802] [2019-11-07 01:01:56,482 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 [2019-11-07 01:01:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:56,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-07 01:01:56,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:56,885 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:56,886 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:57,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:01:57,197 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 19 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-07 01:01:57,198 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:01:57,198 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7, 9] total 17 [2019-11-07 01:01:57,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935428512] [2019-11-07 01:01:57,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:01:57,199 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:57,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:01:57,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2019-11-07 01:01:57,200 INFO L87 Difference]: Start difference. First operand 414 states and 476 transitions. Second operand 8 states. [2019-11-07 01:01:58,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:58,401 INFO L93 Difference]: Finished difference Result 1111 states and 1409 transitions. [2019-11-07 01:01:58,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-07 01:01:58,402 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2019-11-07 01:01:58,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:58,407 INFO L225 Difference]: With dead ends: 1111 [2019-11-07 01:01:58,408 INFO L226 Difference]: Without dead ends: 782 [2019-11-07 01:01:58,409 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 278 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2019-11-07 01:01:58,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2019-11-07 01:01:58,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 703. [2019-11-07 01:01:58,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2019-11-07 01:01:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 841 transitions. [2019-11-07 01:01:58,452 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 841 transitions. Word has length 138 [2019-11-07 01:01:58,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:58,453 INFO L462 AbstractCegarLoop]: Abstraction has 703 states and 841 transitions. [2019-11-07 01:01:58,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:01:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 841 transitions. [2019-11-07 01:01:58,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-07 01:01:58,455 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:58,455 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] [2019-11-07 01:01:58,660 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:58,661 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:58,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:58,661 INFO L82 PathProgramCache]: Analyzing trace with hash -475265005, now seen corresponding path program 1 times [2019-11-07 01:01:58,661 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:58,661 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046294741] [2019-11-07 01:01:58,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 01:01:58,745 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046294741] [2019-11-07 01:01:58,745 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:58,745 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:01:58,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274614484] [2019-11-07 01:01:58,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:01:58,746 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:58,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:01:58,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:01:58,747 INFO L87 Difference]: Start difference. First operand 703 states and 841 transitions. Second operand 6 states. [2019-11-07 01:01:58,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:58,924 INFO L93 Difference]: Finished difference Result 720 states and 860 transitions. [2019-11-07 01:01:58,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:01:58,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2019-11-07 01:01:58,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:58,931 INFO L225 Difference]: With dead ends: 720 [2019-11-07 01:01:58,932 INFO L226 Difference]: Without dead ends: 717 [2019-11-07 01:01:58,932 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:01:58,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2019-11-07 01:01:58,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 703. [2019-11-07 01:01:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2019-11-07 01:01:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 837 transitions. [2019-11-07 01:01:58,976 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 837 transitions. Word has length 134 [2019-11-07 01:01:58,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:58,977 INFO L462 AbstractCegarLoop]: Abstraction has 703 states and 837 transitions. [2019-11-07 01:01:58,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:01:58,977 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 837 transitions. [2019-11-07 01:01:58,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-07 01:01:58,980 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:58,980 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:58,981 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:58,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:58,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1918338429, now seen corresponding path program 1 times [2019-11-07 01:01:58,981 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:58,981 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656468011] [2019-11-07 01:01:58,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:59,184 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 01:01:59,185 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656468011] [2019-11-07 01:01:59,185 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343593270] [2019-11-07 01:01:59,186 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 [2019-11-07 01:01:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:59,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-07 01:01:59,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:59,542 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 01:01:59,816 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1748359220] [2019-11-07 01:01:59,822 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 139 [2019-11-07 01:01:59,872 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:01:59,873 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:01:59,973 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:01:59,974 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-11-07 01:01:59,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:59,978 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:02:00,029 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:02:00,029 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:02:00,033 INFO L553 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2019-11-07 01:02:00,034 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:02:00,034 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:02:00,035 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10, 9, 9] total 17 [2019-11-07 01:02:00,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115333324] [2019-11-07 01:02:00,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:02:00,036 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:00,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:02:00,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2019-11-07 01:02:00,037 INFO L87 Difference]: Start difference. First operand 703 states and 837 transitions. Second operand 2 states. [2019-11-07 01:02:00,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:00,045 INFO L93 Difference]: Finished difference Result 703 states and 837 transitions. [2019-11-07 01:02:00,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:02:00,045 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 138 [2019-11-07 01:02:00,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:00,046 INFO L225 Difference]: With dead ends: 703 [2019-11-07 01:02:00,046 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:02:00,048 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 265 SyntacticMatches, 7 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2019-11-07 01:02:00,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:02:00,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:02:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:02:00,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:02:00,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2019-11-07 01:02:00,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:00,049 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:02:00,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:02:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:02:00,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:02:00,254 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:00,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:02:00,569 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-11-07 01:02:00,570 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-11-07 01:02:00,570 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-07 01:02:00,570 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-11-07 01:02:00,570 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-11-07 01:02:00,570 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-11-07 01:02:00,570 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-11-07 01:02:00,570 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-11-07 01:02:00,571 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-07 01:02:00,571 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-11-07 01:02:00,571 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-11-07 01:02:00,571 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-11-07 01:02:00,571 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-11-07 01:02:00,571 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-07 01:02:00,571 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-11-07 01:02:00,571 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-11-07 01:02:00,572 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-11-07 01:02:00,572 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-11-07 01:02:00,572 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 566 572) the Hoare annotation is: true [2019-11-07 01:02:00,572 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 566 572) no Hoare annotation was computed. [2019-11-07 01:02:00,572 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 573 581) no Hoare annotation was computed. [2019-11-07 01:02:00,572 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 573 581) the Hoare annotation is: true [2019-11-07 01:02:00,572 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 573 581) no Hoare annotation was computed. [2019-11-07 01:02:00,573 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2019-11-07 01:02:00,573 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2019-11-07 01:02:00,573 INFO L446 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2019-11-07 01:02:00,573 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2019-11-07 01:02:00,573 INFO L443 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2019-11-07 01:02:00,573 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2019-11-07 01:02:00,573 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-11-07 01:02:00,573 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-11-07 01:02:00,574 INFO L446 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: true [2019-11-07 01:02:00,574 INFO L443 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2019-11-07 01:02:00,574 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 515 537) the Hoare annotation is: true [2019-11-07 01:02:00,574 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2019-11-07 01:02:00,574 INFO L446 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: true [2019-11-07 01:02:00,574 INFO L446 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: true [2019-11-07 01:02:00,574 INFO L443 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2019-11-07 01:02:00,574 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2019-11-07 01:02:00,575 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2019-11-07 01:02:00,575 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-07 01:02:00,575 INFO L446 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: true [2019-11-07 01:02:00,575 INFO L446 ceAbstractionStarter]: At program point L521(line 521) the Hoare annotation is: true [2019-11-07 01:02:00,575 INFO L446 ceAbstractionStarter]: At program point L521-1(line 521) the Hoare annotation is: true [2019-11-07 01:02:00,575 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-07 01:02:00,575 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-11-07 01:02:00,575 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2019-11-07 01:02:00,576 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-07 01:02:00,576 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-07 01:02:00,576 INFO L443 ceAbstractionStarter]: For program point L477(line 477) no Hoare annotation was computed. [2019-11-07 01:02:00,576 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2019-11-07 01:02:00,576 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-07 01:02:00,576 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2019-11-07 01:02:00,576 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-07 01:02:00,576 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-07 01:02:00,577 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-07 01:02:00,577 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-11-07 01:02:00,577 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-07 01:02:00,577 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-07 01:02:00,577 INFO L443 ceAbstractionStarter]: For program point L483(line 483) no Hoare annotation was computed. [2019-11-07 01:02:00,577 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-07 01:02:00,577 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 807 815) no Hoare annotation was computed. [2019-11-07 01:02:00,577 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 807 815) the Hoare annotation is: true [2019-11-07 01:02:00,578 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 807 815) no Hoare annotation was computed. [2019-11-07 01:02:00,578 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-11-07 01:02:00,578 INFO L446 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2019-11-07 01:02:00,578 INFO L443 ceAbstractionStarter]: For program point L880-2(lines 880 884) no Hoare annotation was computed. [2019-11-07 01:02:00,578 INFO L443 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2019-11-07 01:02:00,578 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 871 889) the Hoare annotation is: true [2019-11-07 01:02:00,578 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 871 889) no Hoare annotation was computed. [2019-11-07 01:02:00,579 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 871 889) no Hoare annotation was computed. [2019-11-07 01:02:00,579 INFO L443 ceAbstractionStarter]: For program point L835-2(lines 835 843) no Hoare annotation was computed. [2019-11-07 01:02:00,579 INFO L443 ceAbstractionStarter]: For program point L823(lines 823 831) no Hoare annotation was computed. [2019-11-07 01:02:00,579 INFO L443 ceAbstractionStarter]: For program point L823-2(lines 823 831) no Hoare annotation was computed. [2019-11-07 01:02:00,579 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 816 851) no Hoare annotation was computed. [2019-11-07 01:02:00,579 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-11-07 01:02:00,579 INFO L443 ceAbstractionStarter]: For program point L846-1(line 846) no Hoare annotation was computed. [2019-11-07 01:02:00,579 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 816 851) no Hoare annotation was computed. [2019-11-07 01:02:00,579 INFO L443 ceAbstractionStarter]: For program point L835(lines 835 843) no Hoare annotation was computed. [2019-11-07 01:02:00,580 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 816 851) no Hoare annotation was computed. [2019-11-07 01:02:00,580 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 559 565) no Hoare annotation was computed. [2019-11-07 01:02:00,580 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 559 565) the Hoare annotation is: true [2019-11-07 01:02:00,580 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-11-07 01:02:00,580 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-11-07 01:02:00,580 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-11-07 01:02:00,580 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-11-07 01:02:00,580 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-11-07 01:02:00,581 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-11-07 01:02:00,581 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-11-07 01:02:00,581 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-11-07 01:02:00,581 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-11-07 01:02:00,581 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: true [2019-11-07 01:02:00,581 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2019-11-07 01:02:00,581 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2019-11-07 01:02:00,581 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-11-07 01:02:00,582 INFO L443 ceAbstractionStarter]: For program point L801-1(line 801) no Hoare annotation was computed. [2019-11-07 01:02:00,582 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 796 806) no Hoare annotation was computed. [2019-11-07 01:02:00,582 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 796 806) no Hoare annotation was computed. [2019-11-07 01:02:00,582 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 796 806) no Hoare annotation was computed. [2019-11-07 01:02:00,582 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 788 795) the Hoare annotation is: true [2019-11-07 01:02:00,582 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 788 795) no Hoare annotation was computed. [2019-11-07 01:02:00,582 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 788 795) no Hoare annotation was computed. [2019-11-07 01:02:00,582 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 677) no Hoare annotation was computed. [2019-11-07 01:02:00,582 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 667 680) no Hoare annotation was computed. [2019-11-07 01:02:00,583 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 667 680) the Hoare annotation is: true [2019-11-07 01:02:00,583 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 667 680) no Hoare annotation was computed. [2019-11-07 01:02:00,583 INFO L446 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: true [2019-11-07 01:02:00,583 INFO L446 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2019-11-07 01:02:00,583 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-11-07 01:02:00,583 INFO L446 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2019-11-07 01:02:00,583 INFO L443 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2019-11-07 01:02:00,584 INFO L443 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-11-07 01:02:00,584 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2019-11-07 01:02:00,584 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: true [2019-11-07 01:02:00,584 INFO L446 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: true [2019-11-07 01:02:00,584 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2019-11-07 01:02:00,584 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2019-11-07 01:02:00,584 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2019-11-07 01:02:00,584 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2019-11-07 01:02:00,584 INFO L443 ceAbstractionStarter]: For program point L929-1(lines 929 935) no Hoare annotation was computed. [2019-11-07 01:02:00,585 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 899 964) the Hoare annotation is: true [2019-11-07 01:02:00,585 INFO L446 ceAbstractionStarter]: At program point L954(lines 909 956) the Hoare annotation is: true [2019-11-07 01:02:00,585 INFO L446 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: true [2019-11-07 01:02:00,585 INFO L443 ceAbstractionStarter]: For program point L919(lines 919 925) no Hoare annotation was computed. [2019-11-07 01:02:00,585 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 899 964) no Hoare annotation was computed. [2019-11-07 01:02:00,585 INFO L443 ceAbstractionStarter]: For program point L919-1(lines 919 925) no Hoare annotation was computed. [2019-11-07 01:02:00,585 INFO L443 ceAbstractionStarter]: For program point L911(lines 911 915) no Hoare annotation was computed. [2019-11-07 01:02:00,585 INFO L446 ceAbstractionStarter]: At program point L957(lines 908 958) the Hoare annotation is: true [2019-11-07 01:02:00,586 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 951) no Hoare annotation was computed. [2019-11-07 01:02:00,586 INFO L446 ceAbstractionStarter]: At program point L947-2(lines 939 952) the Hoare annotation is: true [2019-11-07 01:02:00,586 INFO L443 ceAbstractionStarter]: For program point L910(lines 909 956) no Hoare annotation was computed. [2019-11-07 01:02:00,586 INFO L446 ceAbstractionStarter]: At program point L941(line 941) the Hoare annotation is: true [2019-11-07 01:02:00,586 INFO L443 ceAbstractionStarter]: For program point L939(lines 939 952) no Hoare annotation was computed. [2019-11-07 01:02:00,586 INFO L446 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: true [2019-11-07 01:02:00,586 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 899 964) no Hoare annotation was computed. [2019-11-07 01:02:00,587 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-11-07 01:02:00,587 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-11-07 01:02:00,587 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-11-07 01:02:00,587 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-11-07 01:02:00,587 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-11-07 01:02:00,587 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-11-07 01:02:00,587 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 681 689) no Hoare annotation was computed. [2019-11-07 01:02:00,587 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 681 689) the Hoare annotation is: true [2019-11-07 01:02:00,588 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 681 689) no Hoare annotation was computed. [2019-11-07 01:02:00,588 INFO L443 ceAbstractionStarter]: For program point L643-2(lines 643 651) no Hoare annotation was computed. [2019-11-07 01:02:00,588 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 635 657) no Hoare annotation was computed. [2019-11-07 01:02:00,588 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 635 657) no Hoare annotation was computed. [2019-11-07 01:02:00,588 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 635 657) no Hoare annotation was computed. [2019-11-07 01:02:00,588 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 651) no Hoare annotation was computed. [2019-11-07 01:02:00,588 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-11-07 01:02:00,588 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-11-07 01:02:00,588 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-11-07 01:02:00,589 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-11-07 01:02:00,589 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-11-07 01:02:00,589 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-11-07 01:02:00,589 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-11-07 01:02:00,589 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-11-07 01:02:00,589 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-11-07 01:02:00,589 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-11-07 01:02:00,589 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-11-07 01:02:00,589 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-11-07 01:02:00,590 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-11-07 01:02:00,590 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-11-07 01:02:00,590 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-11-07 01:02:00,590 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-11-07 01:02:00,590 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 549 558) no Hoare annotation was computed. [2019-11-07 01:02:00,590 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 549 558) no Hoare annotation was computed. [2019-11-07 01:02:00,590 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 549 558) no Hoare annotation was computed. [2019-11-07 01:02:00,590 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,590 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-11-07 01:02:00,590 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,591 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 780 787) no Hoare annotation was computed. [2019-11-07 01:02:00,591 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2019-11-07 01:02:00,591 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 780 787) the Hoare annotation is: true [2019-11-07 01:02:00,591 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 658 666) the Hoare annotation is: true [2019-11-07 01:02:00,591 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 658 666) no Hoare annotation was computed. [2019-11-07 01:02:00,591 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 658 666) no Hoare annotation was computed. [2019-11-07 01:02:00,591 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 852 870) no Hoare annotation was computed. [2019-11-07 01:02:00,592 INFO L443 ceAbstractionStarter]: For program point L861(lines 861 865) no Hoare annotation was computed. [2019-11-07 01:02:00,592 INFO L446 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: true [2019-11-07 01:02:00,592 INFO L443 ceAbstractionStarter]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2019-11-07 01:02:00,592 INFO L443 ceAbstractionStarter]: For program point L859-1(line 859) no Hoare annotation was computed. [2019-11-07 01:02:00,592 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 852 870) the Hoare annotation is: true [2019-11-07 01:02:00,592 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 852 870) no Hoare annotation was computed. [2019-11-07 01:02:00,592 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,592 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,593 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,593 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 614 625) the Hoare annotation is: true [2019-11-07 01:02:00,593 INFO L443 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2019-11-07 01:02:00,593 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 614 625) no Hoare annotation was computed. [2019-11-07 01:02:00,593 INFO L446 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: true [2019-11-07 01:02:00,593 INFO L443 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2019-11-07 01:02:00,593 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: true [2019-11-07 01:02:00,593 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2019-11-07 01:02:00,594 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2019-11-07 01:02:00,594 INFO L446 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2019-11-07 01:02:00,594 INFO L446 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: true [2019-11-07 01:02:00,594 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-07 01:02:00,594 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2019-11-07 01:02:00,594 INFO L446 ceAbstractionStarter]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2019-11-07 01:02:00,594 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2019-11-07 01:02:00,594 INFO L446 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: true [2019-11-07 01:02:00,595 INFO L443 ceAbstractionStarter]: For program point L443-1(line 443) no Hoare annotation was computed. [2019-11-07 01:02:00,595 INFO L446 ceAbstractionStarter]: At program point L462(lines 437 466) the Hoare annotation is: true [2019-11-07 01:02:00,595 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-07 01:02:00,595 INFO L443 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2019-11-07 01:02:00,595 INFO L446 ceAbstractionStarter]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2019-11-07 01:02:00,595 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 626 634) no Hoare annotation was computed. [2019-11-07 01:02:00,595 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 626 634) no Hoare annotation was computed. [2019-11-07 01:02:00,595 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 626 634) no Hoare annotation was computed. [2019-11-07 01:02:00,596 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2019-11-07 01:02:00,596 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 590 601) the Hoare annotation is: true [2019-11-07 01:02:00,596 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 590 601) no Hoare annotation was computed. [2019-11-07 01:02:00,596 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2019-11-07 01:02:00,596 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2019-11-07 01:02:00,596 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,596 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:02:00,596 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:02:00,597 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,597 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 890 897) no Hoare annotation was computed. [2019-11-07 01:02:00,597 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 890 897) the Hoare annotation is: true [2019-11-07 01:02:00,597 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 890 897) no Hoare annotation was computed. [2019-11-07 01:02:00,597 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-11-07 01:02:00,597 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: true [2019-11-07 01:02:00,597 INFO L446 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: true [2019-11-07 01:02:00,597 INFO L443 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2019-11-07 01:02:00,597 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-11-07 01:02:00,597 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2019-11-07 01:02:00,598 INFO L446 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: true [2019-11-07 01:02:00,598 INFO L443 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2019-11-07 01:02:00,598 INFO L446 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: true [2019-11-07 01:02:00,598 INFO L446 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: true [2019-11-07 01:02:00,598 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 602 613) no Hoare annotation was computed. [2019-11-07 01:02:00,598 INFO L443 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2019-11-07 01:02:00,598 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 602 613) the Hoare annotation is: true [2019-11-07 01:02:00,598 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2019-11-07 01:02:00,599 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2019-11-07 01:02:00,599 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2019-11-07 01:02:00,599 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-11-07 01:02:00,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:02:00 BoogieIcfgContainer [2019-11-07 01:02:00,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:02:00,611 INFO L168 Benchmark]: Toolchain (without parser) took 11738.74 ms. Allocated memory was 146.3 MB in the beginning and 410.0 MB in the end (delta: 263.7 MB). Free memory was 103.3 MB in the beginning and 351.1 MB in the end (delta: -247.8 MB). Peak memory consumption was 232.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:00,612 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 01:02:00,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.63 ms. Allocated memory was 146.3 MB in the beginning and 199.2 MB in the end (delta: 53.0 MB). Free memory was 103.1 MB in the beginning and 166.0 MB in the end (delta: -62.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:00,613 INFO L168 Benchmark]: Boogie Preprocessor took 103.45 ms. Allocated memory is still 199.2 MB. Free memory was 166.0 MB in the beginning and 162.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:00,614 INFO L168 Benchmark]: RCFGBuilder took 1343.36 ms. Allocated memory was 199.2 MB in the beginning and 235.4 MB in the end (delta: 36.2 MB). Free memory was 162.0 MB in the beginning and 190.6 MB in the end (delta: -28.6 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:00,615 INFO L168 Benchmark]: TraceAbstraction took 9598.17 ms. Allocated memory was 235.4 MB in the beginning and 410.0 MB in the end (delta: 174.6 MB). Free memory was 190.6 MB in the beginning and 351.1 MB in the end (delta: -160.5 MB). Peak memory consumption was 230.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:00,618 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.63 ms. Allocated memory was 146.3 MB in the beginning and 199.2 MB in the end (delta: 53.0 MB). Free memory was 103.1 MB in the beginning and 166.0 MB in the end (delta: -62.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.45 ms. Allocated memory is still 199.2 MB. Free memory was 166.0 MB in the beginning and 162.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1343.36 ms. Allocated memory was 199.2 MB in the beginning and 235.4 MB in the end (delta: 36.2 MB). Free memory was 162.0 MB in the beginning and 190.6 MB in the end (delta: -28.6 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9598.17 ms. Allocated memory was 235.4 MB in the beginning and 410.0 MB in the end (delta: 174.6 MB). Free memory was 190.6 MB in the beginning and 351.1 MB in the end (delta: -160.5 MB). Peak memory consumption was 230.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Result: SAFE, OverallTime: 9.5s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1547 SDtfs, 1302 SDslu, 3821 SDs, 0 SdLazy, 1634 SolverSat, 574 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1207 GetRequests, 1099 SyntacticMatches, 15 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=703occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 122 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1132 PreInvPairs, 1133 NumberOfFragments, 66 HoareAnnotationTreeSize, 1132 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1637 NumberOfCodeBlocks, 1637 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2158 ConstructedInterpolants, 0 QuantifiedInterpolants, 406405 SizeOfPredicates, 17 NumberOfNonLiveVariables, 3422 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 389/440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 156, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.9051094890510949, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...