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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:15:23,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:15:23,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:15:23,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:15:23,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:15:23,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:15:23,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:15:23,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:15:23,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:15:23,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:15:23,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:15:23,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:15:23,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:15:23,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:15:23,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:15:23,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:15:23,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:15:23,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:15:23,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:15:23,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:15:23,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:15:23,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:15:23,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:15:23,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:15:23,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:15:23,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:15:23,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:15:23,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:15:23,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:15:23,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:15:23,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:15:23,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:15:23,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:15:23,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:15:23,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:15:23,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:15:23,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:15:23,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:15:23,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:15:23,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:15:23,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:15:23,717 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 [2019-10-13 23:15:23,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:15:23,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:15:23,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:15:23,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:15:23,742 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:15:23,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:15:23,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:15:23,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:15:23,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:15:23,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:15:23,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:15:23,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:15:23,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:15:23,745 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:15:23,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:15:23,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:15:23,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:15:23,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:15:23,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:15:23,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:15:23,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:15:23,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:15:23,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:15:23,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:15:23,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:15:23,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:15:23,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:15:23,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:15:23,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:15:24,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:15:24,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:15:24,066 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:15:24,067 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:15:24,067 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:15:24,068 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product51.cil.c [2019-10-13 23:15:24,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ed46197/054213d1f7e74d55962b6820812a111b/FLAG3e2776d82 [2019-10-13 23:15:24,684 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:15:24,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product51.cil.c [2019-10-13 23:15:24,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ed46197/054213d1f7e74d55962b6820812a111b/FLAG3e2776d82 [2019-10-13 23:15:24,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ed46197/054213d1f7e74d55962b6820812a111b [2019-10-13 23:15:24,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:15:24,963 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:15:24,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:15:24,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:15:24,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:15:24,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:15:24" (1/1) ... [2019-10-13 23:15:24,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ceb8032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:24, skipping insertion in model container [2019-10-13 23:15:24,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:15:24" (1/1) ... [2019-10-13 23:15:24,976 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:15:25,036 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:15:25,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:15:25,537 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:15:25,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:15:25,653 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:15:25,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:25 WrapperNode [2019-10-13 23:15:25,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:15:25,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:15:25,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:15:25,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:15:25,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:25" (1/1) ... [2019-10-13 23:15:25,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:25" (1/1) ... [2019-10-13 23:15:25,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:25" (1/1) ... [2019-10-13 23:15:25,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:25" (1/1) ... [2019-10-13 23:15:25,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:25" (1/1) ... [2019-10-13 23:15:25,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:25" (1/1) ... [2019-10-13 23:15:25,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:25" (1/1) ... [2019-10-13 23:15:25,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:15:25,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:15:25,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:15:25,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:15:25,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:15:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:15:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:15:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:15:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:15:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:15:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:15:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 23:15:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:15:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:15:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:15:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:15:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:15:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:15:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 23:15:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:15:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:15:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 23:15:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 23:15:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:15:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:15:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:15:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:15:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:15:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:15:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:15:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:15:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:15:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:15:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 23:15:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:15:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:15:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:15:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:15:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:15:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:15:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:15:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:15:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:15:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:15:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:15:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:15:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:15:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:15:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:15:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:15:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:15:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:15:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:15:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:15:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:15:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:15:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:15:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:15:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:15:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 23:15:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:15:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:15:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:15:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:15:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:15:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 23:15:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:15:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:15:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 23:15:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 23:15:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:15:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:15:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:15:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:15:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 23:15:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:15:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:15:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:15:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:15:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:15:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:15:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:15:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:15:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:15:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:15:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:15:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:15:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:15:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:15:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:15:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:15:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:15:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:15:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:15:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:15:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:15:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:15:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:15:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:15:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:15:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:15:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:15:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:15:27,446 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:15:27,447 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:15:27,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:15:27 BoogieIcfgContainer [2019-10-13 23:15:27,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:15:27,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:15:27,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:15:27,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:15:27,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:15:24" (1/3) ... [2019-10-13 23:15:27,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8d094b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:15:27, skipping insertion in model container [2019-10-13 23:15:27,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:15:25" (2/3) ... [2019-10-13 23:15:27,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8d094b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:15:27, skipping insertion in model container [2019-10-13 23:15:27,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:15:27" (3/3) ... [2019-10-13 23:15:27,458 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2019-10-13 23:15:27,467 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:15:27,474 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:15:27,485 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:15:27,508 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:15:27,508 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:15:27,508 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:15:27,509 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:15:27,509 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:15:27,509 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:15:27,509 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:15:27,509 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:15:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2019-10-13 23:15:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:15:27,543 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:27,544 INFO L380 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] [2019-10-13 23:15:27,546 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:27,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:27,552 INFO L82 PathProgramCache]: Analyzing trace with hash -540376013, now seen corresponding path program 1 times [2019-10-13 23:15:27,562 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:27,563 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104815667] [2019-10-13 23:15:27,563 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:27,563 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:27,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:27,876 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104815667] [2019-10-13 23:15:27,877 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:27,878 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:15:27,878 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422446556] [2019-10-13 23:15:27,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:15:27,883 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:27,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:15:27,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:15:27,901 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2019-10-13 23:15:27,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:27,946 INFO L93 Difference]: Finished difference Result 230 states and 281 transitions. [2019-10-13 23:15:27,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:15:27,947 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 23:15:27,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:27,961 INFO L225 Difference]: With dead ends: 230 [2019-10-13 23:15:27,961 INFO L226 Difference]: Without dead ends: 117 [2019-10-13 23:15:27,966 INFO L600 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 [2019-10-13 23:15:27,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-13 23:15:28,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-13 23:15:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-13 23:15:28,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2019-10-13 23:15:28,023 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 46 [2019-10-13 23:15:28,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:28,024 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2019-10-13 23:15:28,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:15:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2019-10-13 23:15:28,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:15:28,029 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:28,029 INFO L380 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] [2019-10-13 23:15:28,029 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:28,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:28,030 INFO L82 PathProgramCache]: Analyzing trace with hash 857327170, now seen corresponding path program 1 times [2019-10-13 23:15:28,030 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:28,030 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259530738] [2019-10-13 23:15:28,031 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:28,031 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:28,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:28,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:28,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259530738] [2019-10-13 23:15:28,247 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:28,247 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:15:28,247 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867653990] [2019-10-13 23:15:28,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:15:28,249 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:28,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:15:28,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:15:28,250 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand 3 states. [2019-10-13 23:15:28,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:28,272 INFO L93 Difference]: Finished difference Result 181 states and 209 transitions. [2019-10-13 23:15:28,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:15:28,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 23:15:28,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:28,275 INFO L225 Difference]: With dead ends: 181 [2019-10-13 23:15:28,275 INFO L226 Difference]: Without dead ends: 109 [2019-10-13 23:15:28,277 INFO L600 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 [2019-10-13 23:15:28,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-10-13 23:15:28,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-10-13 23:15:28,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-10-13 23:15:28,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2019-10-13 23:15:28,292 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 47 [2019-10-13 23:15:28,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:28,293 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2019-10-13 23:15:28,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:15:28,296 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2019-10-13 23:15:28,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-13 23:15:28,300 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:28,300 INFO L380 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] [2019-10-13 23:15:28,300 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:28,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:28,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1729354015, now seen corresponding path program 1 times [2019-10-13 23:15:28,301 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:28,301 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174732845] [2019-10-13 23:15:28,301 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:28,301 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:28,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:28,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:28,439 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174732845] [2019-10-13 23:15:28,439 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:28,439 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:15:28,439 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040586966] [2019-10-13 23:15:28,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:15:28,440 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:28,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:15:28,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:15:28,441 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand 7 states. [2019-10-13 23:15:28,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:28,928 INFO L93 Difference]: Finished difference Result 322 states and 384 transitions. [2019-10-13 23:15:28,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:15:28,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-13 23:15:28,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:28,934 INFO L225 Difference]: With dead ends: 322 [2019-10-13 23:15:28,935 INFO L226 Difference]: Without dead ends: 238 [2019-10-13 23:15:28,936 INFO L600 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 [2019-10-13 23:15:28,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2019-10-13 23:15:28,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 230. [2019-10-13 23:15:28,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2019-10-13 23:15:28,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 274 transitions. [2019-10-13 23:15:28,983 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 274 transitions. Word has length 50 [2019-10-13 23:15:28,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:28,984 INFO L462 AbstractCegarLoop]: Abstraction has 230 states and 274 transitions. [2019-10-13 23:15:28,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:15:28,984 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 274 transitions. [2019-10-13 23:15:28,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-13 23:15:28,991 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:28,991 INFO L380 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] [2019-10-13 23:15:28,991 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:28,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:28,992 INFO L82 PathProgramCache]: Analyzing trace with hash 381344418, now seen corresponding path program 1 times [2019-10-13 23:15:28,992 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:28,997 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921441730] [2019-10-13 23:15:28,997 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:28,998 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:28,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:29,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921441730] [2019-10-13 23:15:29,180 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:29,180 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:15:29,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23810677] [2019-10-13 23:15:29,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:15:29,181 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:29,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:15:29,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:15:29,183 INFO L87 Difference]: Start difference. First operand 230 states and 274 transitions. Second operand 6 states. [2019-10-13 23:15:29,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:29,445 INFO L93 Difference]: Finished difference Result 622 states and 759 transitions. [2019-10-13 23:15:29,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:15:29,446 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-10-13 23:15:29,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:29,451 INFO L225 Difference]: With dead ends: 622 [2019-10-13 23:15:29,451 INFO L226 Difference]: Without dead ends: 417 [2019-10-13 23:15:29,452 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:15:29,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-10-13 23:15:29,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 405. [2019-10-13 23:15:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2019-10-13 23:15:29,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 485 transitions. [2019-10-13 23:15:29,517 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 485 transitions. Word has length 55 [2019-10-13 23:15:29,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:29,518 INFO L462 AbstractCegarLoop]: Abstraction has 405 states and 485 transitions. [2019-10-13 23:15:29,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:15:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 485 transitions. [2019-10-13 23:15:29,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-13 23:15:29,521 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:29,521 INFO L380 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] [2019-10-13 23:15:29,521 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:29,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:29,522 INFO L82 PathProgramCache]: Analyzing trace with hash -267876420, now seen corresponding path program 1 times [2019-10-13 23:15:29,522 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:29,522 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975666952] [2019-10-13 23:15:29,522 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:29,523 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:29,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:29,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:29,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975666952] [2019-10-13 23:15:29,651 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:29,651 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:15:29,652 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137693827] [2019-10-13 23:15:29,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:15:29,652 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:29,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:15:29,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:15:29,653 INFO L87 Difference]: Start difference. First operand 405 states and 485 transitions. Second operand 7 states. [2019-10-13 23:15:30,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:30,303 INFO L93 Difference]: Finished difference Result 1071 states and 1404 transitions. [2019-10-13 23:15:30,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 23:15:30,304 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-13 23:15:30,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:30,309 INFO L225 Difference]: With dead ends: 1071 [2019-10-13 23:15:30,309 INFO L226 Difference]: Without dead ends: 691 [2019-10-13 23:15:30,311 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 23:15:30,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2019-10-13 23:15:30,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 604. [2019-10-13 23:15:30,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2019-10-13 23:15:30,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 724 transitions. [2019-10-13 23:15:30,387 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 724 transitions. Word has length 58 [2019-10-13 23:15:30,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:30,388 INFO L462 AbstractCegarLoop]: Abstraction has 604 states and 724 transitions. [2019-10-13 23:15:30,388 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:15:30,388 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 724 transitions. [2019-10-13 23:15:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-13 23:15:30,394 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:30,394 INFO L380 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] [2019-10-13 23:15:30,395 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:30,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:30,395 INFO L82 PathProgramCache]: Analyzing trace with hash 601811161, now seen corresponding path program 1 times [2019-10-13 23:15:30,395 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:30,396 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940748326] [2019-10-13 23:15:30,396 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:30,396 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:30,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:30,496 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940748326] [2019-10-13 23:15:30,496 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:30,497 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:15:30,497 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173760212] [2019-10-13 23:15:30,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:15:30,498 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:30,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:15:30,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:15:30,499 INFO L87 Difference]: Start difference. First operand 604 states and 724 transitions. Second operand 3 states. [2019-10-13 23:15:30,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:30,559 INFO L93 Difference]: Finished difference Result 852 states and 1047 transitions. [2019-10-13 23:15:30,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:15:30,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-10-13 23:15:30,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:30,566 INFO L225 Difference]: With dead ends: 852 [2019-10-13 23:15:30,566 INFO L226 Difference]: Without dead ends: 849 [2019-10-13 23:15:30,567 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:15:30,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2019-10-13 23:15:30,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 809. [2019-10-13 23:15:30,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2019-10-13 23:15:30,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 994 transitions. [2019-10-13 23:15:30,626 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 994 transitions. Word has length 75 [2019-10-13 23:15:30,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:30,627 INFO L462 AbstractCegarLoop]: Abstraction has 809 states and 994 transitions. [2019-10-13 23:15:30,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:15:30,627 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 994 transitions. [2019-10-13 23:15:30,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-13 23:15:30,631 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:30,632 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:15:30,632 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:30,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:30,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1902676460, now seen corresponding path program 1 times [2019-10-13 23:15:30,633 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:30,633 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848765150] [2019-10-13 23:15:30,633 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:30,633 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:30,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:30,934 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 23:15:30,935 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848765150] [2019-10-13 23:15:30,935 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581256540] [2019-10-13 23:15:30,935 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 [2019-10-13 23:15:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:31,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-13 23:15:31,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:15:31,304 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 23:15:31,305 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:15:31,578 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 23:15:31,578 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1440221538] [2019-10-13 23:15:31,614 INFO L162 IcfgInterpreter]: Started Sifa with 83 locations of interest [2019-10-13 23:15:31,614 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:15:31,627 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:15:31,636 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:15:31,637 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 23:15:41,413 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-13 23:15:43,401 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-13 23:15:43,590 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-13 23:15:43,714 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-13 23:15:43,858 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-13 23:15:44,133 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:15:44,437 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:15:44,671 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:15:44,913 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:15:45,236 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-13 23:15:45,429 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:15:45,606 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:15:45,757 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:15:45,923 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:15:46,043 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:15:46,055 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-13 23:15:46,325 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-10-13 23:15:46,326 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-13 23:15:46,480 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:46,582 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:46,722 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:46,860 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:47,097 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:47,259 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:47,368 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:47,525 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:47,744 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-13 23:15:47,858 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:48,020 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:48,130 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:48,342 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:48,446 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:48,563 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:48,718 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:48,823 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:49,114 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:49,321 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:49,448 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:49,774 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:49,880 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:49,994 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:50,112 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:50,328 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:50,445 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:50,648 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:15:50,765 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:51,072 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:51,239 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:51,364 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:51,515 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:51,810 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:15:51,923 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:52,048 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:52,157 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:52,272 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:52,389 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:52,519 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:52,629 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:52,751 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:53,024 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:15:53,145 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:53,275 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:53,386 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:53,497 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:53,617 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:53,735 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-13 23:15:53,848 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-13 23:15:53,978 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-13 23:15:54,095 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-13 23:15:54,213 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-13 23:15:54,344 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-13 23:15:54,478 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-13 23:15:54,592 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-13 23:15:54,726 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-13 23:15:54,856 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-13 23:15:54,970 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-13 23:15:55,119 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-13 23:15:55,233 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-13 23:15:55,346 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-13 23:15:55,468 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-13 23:15:55,698 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:15:55,807 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:55,934 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:56,138 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:15:56,247 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:56,379 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:56,499 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:56,608 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:56,732 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:56,944 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:15:57,056 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:57,180 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:57,424 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:15:57,536 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:57,671 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:57,780 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:57,890 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:58,008 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:58,205 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 566 [2019-10-13 23:15:58,323 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:15:58,449 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:58,643 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 568 [2019-10-13 23:15:58,753 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:15:58,884 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-13 23:15:59,095 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:15:59,211 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:59,334 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:59,530 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:15:59,637 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:59,757 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:59,865 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:15:59,973 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:00,097 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:00,325 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:16:00,434 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:00,554 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:00,749 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:16:00,857 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:00,979 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:01,087 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:01,196 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:01,312 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:01,539 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:16:01,650 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:16:01,774 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:16:01,990 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:16:02,101 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:16:02,223 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:16:02,332 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:16:02,442 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:16:02,561 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:16:02,772 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-13 23:16:02,881 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:16:03,003 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:16:03,208 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:16:03,315 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:03,434 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:03,642 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:16:03,755 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:03,873 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:03,981 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:04,089 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:04,219 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:16:04,434 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-13 23:16:04,542 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:16:04,666 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:16:04,868 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:16:04,978 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:16:05,101 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:16:05,288 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-13 23:16:05,395 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:16:05,514 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:16:05,719 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-13 23:16:05,831 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 566