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_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:17:34,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:17:34,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:17:34,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:17:34,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:17:34,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:17:34,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:17:34,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:17:34,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:17:34,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:17:34,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:17:34,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:17:34,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:17:34,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:17:34,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:17:34,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:17:34,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:17:34,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:17:34,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:17:34,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:17:34,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:17:34,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:17:34,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:17:34,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:17:34,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:17:34,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:17:34,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:17:34,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:17:34,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:17:34,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:17:34,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:17:34,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:17:34,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:17:34,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:17:34,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:17:34,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:17:34,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:17:34,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:17:34,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:17:34,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:17:34,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:17:34,793 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 [2019-10-07 15:17:34,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:17:34,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:17:34,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:17:34,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:17:34,809 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:17:34,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:17:34,809 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:17:34,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:17:34,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:17:34,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:17:34,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:17:34,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:17:34,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:17:34,811 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:17:34,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:17:34,812 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:17:34,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:17:34,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:17:34,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:17:34,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:17:34,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:17:34,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:17:34,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:17:34,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:17:34,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:17:34,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:17:34,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:17:34,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:17:34,815 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 [2019-10-07 15:17:35,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:17:35,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:17:35,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:17:35,130 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:17:35,131 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:17:35,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product58.cil.c [2019-10-07 15:17:35,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42015a213/1695786f62f64ae9b81aae331ed03942/FLAGd4e4ce062 [2019-10-07 15:17:35,775 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:17:35,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product58.cil.c [2019-10-07 15:17:35,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42015a213/1695786f62f64ae9b81aae331ed03942/FLAGd4e4ce062 [2019-10-07 15:17:36,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42015a213/1695786f62f64ae9b81aae331ed03942 [2019-10-07 15:17:36,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:17:36,072 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:17:36,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:36,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:17:36,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:17:36,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:36" (1/1) ... [2019-10-07 15:17:36,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:36, skipping insertion in model container [2019-10-07 15:17:36,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:36" (1/1) ... [2019-10-07 15:17:36,087 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:17:36,132 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:17:36,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:36,532 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:17:36,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:36,700 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:17:36,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:36 WrapperNode [2019-10-07 15:17:36,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:36,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:17:36,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:17:36,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:17:36,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:36" (1/1) ... [2019-10-07 15:17:36,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:36" (1/1) ... [2019-10-07 15:17:36,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:36" (1/1) ... [2019-10-07 15:17:36,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:36" (1/1) ... [2019-10-07 15:17:36,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:36" (1/1) ... [2019-10-07 15:17:36,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:36" (1/1) ... [2019-10-07 15:17:36,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:36" (1/1) ... [2019-10-07 15:17:36,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:17:36,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:17:36,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:17:36,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:17:36,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:36" (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 [2019-10-07 15:17:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:17:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:17:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:17:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:17:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:17:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:17:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:17:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:17:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:17:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:17:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:17:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:17:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:17:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:17:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:17:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:17:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:17:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:17:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:17:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:17:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:17:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:17:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:17:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:17:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:17:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:17:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:17:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:17:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:17:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:17:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:17:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:17:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:17:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:17:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:17:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:17:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:17:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:17:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:17:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:17:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:17:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:17:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:17:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:17:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:17:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:17:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:17:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:17:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:17:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:17:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:17:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:17:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:17:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:17:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:17:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:17:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:17:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:17:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:17:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:17:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:17:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:17:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:17:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:17:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:17:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:17:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:17:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:17:36,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:17:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:17:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:17:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:17:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:17:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:17:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:17:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:17:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:17:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:17:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:17:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:17:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:17:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:17:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:17:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:17:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:17:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:17:38,511 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:17:38,511 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:17:38,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:38 BoogieIcfgContainer [2019-10-07 15:17:38,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:17:38,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:17:38,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:17:38,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:17:38,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:17:36" (1/3) ... [2019-10-07 15:17:38,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f76106f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:38, skipping insertion in model container [2019-10-07 15:17:38,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:36" (2/3) ... [2019-10-07 15:17:38,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f76106f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:38, skipping insertion in model container [2019-10-07 15:17:38,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:38" (3/3) ... [2019-10-07 15:17:38,522 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2019-10-07 15:17:38,533 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:17:38,544 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:17:38,559 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:17:38,591 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:17:38,592 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:17:38,592 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:17:38,592 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:17:38,593 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:17:38,593 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:17:38,593 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:17:38,594 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:17:38,620 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2019-10-07 15:17:38,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:17:38,631 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:38,632 INFO L385 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] [2019-10-07 15:17:38,635 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:38,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:38,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1478823579, now seen corresponding path program 1 times [2019-10-07 15:17:38,655 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:38,655 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:38,655 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:38,656 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:38,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:39,052 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:39,052 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:39,053 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:17:39,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:17:39,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:17:39,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:39,075 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2019-10-07 15:17:39,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:39,118 INFO L93 Difference]: Finished difference Result 246 states and 295 transitions. [2019-10-07 15:17:39,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:17:39,119 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:17:39,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:39,132 INFO L225 Difference]: With dead ends: 246 [2019-10-07 15:17:39,133 INFO L226 Difference]: Without dead ends: 125 [2019-10-07 15:17:39,138 INFO L606 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 [2019-10-07 15:17:39,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-07 15:17:39,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-07 15:17:39,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-07 15:17:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 143 transitions. [2019-10-07 15:17:39,190 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 143 transitions. Word has length 46 [2019-10-07 15:17:39,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:39,190 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 143 transitions. [2019-10-07 15:17:39,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:17:39,191 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2019-10-07 15:17:39,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:17:39,194 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:39,195 INFO L385 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] [2019-10-07 15:17:39,195 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:39,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:39,196 INFO L82 PathProgramCache]: Analyzing trace with hash 946761388, now seen corresponding path program 1 times [2019-10-07 15:17:39,196 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:39,196 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:39,196 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:39,196 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:39,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:39,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:39,324 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:39,324 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:39,324 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:39,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:39,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:39,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:39,329 INFO L87 Difference]: Start difference. First operand 125 states and 143 transitions. Second operand 3 states. [2019-10-07 15:17:39,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:39,373 INFO L93 Difference]: Finished difference Result 200 states and 229 transitions. [2019-10-07 15:17:39,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:39,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:17:39,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:39,380 INFO L225 Difference]: With dead ends: 200 [2019-10-07 15:17:39,381 INFO L226 Difference]: Without dead ends: 117 [2019-10-07 15:17:39,384 INFO L606 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 [2019-10-07 15:17:39,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-07 15:17:39,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-07 15:17:39,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-07 15:17:39,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 132 transitions. [2019-10-07 15:17:39,413 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 132 transitions. Word has length 47 [2019-10-07 15:17:39,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:39,416 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 132 transitions. [2019-10-07 15:17:39,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 132 transitions. [2019-10-07 15:17:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 15:17:39,420 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:39,420 INFO L385 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] [2019-10-07 15:17:39,421 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:39,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:39,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1418644644, now seen corresponding path program 1 times [2019-10-07 15:17:39,421 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:39,422 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:39,422 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:39,422 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:39,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:39,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:39,599 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:39,599 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:39,600 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:39,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:39,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:39,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:39,601 INFO L87 Difference]: Start difference. First operand 117 states and 132 transitions. Second operand 7 states. [2019-10-07 15:17:39,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:39,963 INFO L93 Difference]: Finished difference Result 209 states and 240 transitions. [2019-10-07 15:17:39,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:17:39,964 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-07 15:17:39,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:39,966 INFO L225 Difference]: With dead ends: 209 [2019-10-07 15:17:39,966 INFO L226 Difference]: Without dead ends: 117 [2019-10-07 15:17:39,967 INFO L606 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 [2019-10-07 15:17:39,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-07 15:17:39,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-07 15:17:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-07 15:17:39,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 131 transitions. [2019-10-07 15:17:39,980 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 131 transitions. Word has length 50 [2019-10-07 15:17:39,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:39,981 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 131 transitions. [2019-10-07 15:17:39,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:39,981 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 131 transitions. [2019-10-07 15:17:39,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-07 15:17:39,983 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:39,984 INFO L385 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] [2019-10-07 15:17:39,984 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:39,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:39,984 INFO L82 PathProgramCache]: Analyzing trace with hash -115851954, now seen corresponding path program 1 times [2019-10-07 15:17:39,985 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:39,985 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:39,985 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:39,985 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:39,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:40,077 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:40,077 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:40,077 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:17:40,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:17:40,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:17:40,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:17:40,079 INFO L87 Difference]: Start difference. First operand 117 states and 131 transitions. Second operand 5 states. [2019-10-07 15:17:40,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:40,598 INFO L93 Difference]: Finished difference Result 301 states and 355 transitions. [2019-10-07 15:17:40,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:17:40,599 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-10-07 15:17:40,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:40,601 INFO L225 Difference]: With dead ends: 301 [2019-10-07 15:17:40,602 INFO L226 Difference]: Without dead ends: 209 [2019-10-07 15:17:40,607 INFO L606 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 [2019-10-07 15:17:40,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-10-07 15:17:40,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 192. [2019-10-07 15:17:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-10-07 15:17:40,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 214 transitions. [2019-10-07 15:17:40,656 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 214 transitions. Word has length 63 [2019-10-07 15:17:40,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:40,656 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 214 transitions. [2019-10-07 15:17:40,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:17:40,657 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 214 transitions. [2019-10-07 15:17:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-07 15:17:40,663 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:40,663 INFO L385 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] [2019-10-07 15:17:40,663 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:40,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:40,664 INFO L82 PathProgramCache]: Analyzing trace with hash 883460444, now seen corresponding path program 1 times [2019-10-07 15:17:40,664 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:40,664 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:40,664 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:40,665 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:40,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:40,869 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:40,869 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:40,869 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:17:40,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:17:40,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:17:40,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:17:40,872 INFO L87 Difference]: Start difference. First operand 192 states and 214 transitions. Second operand 6 states. [2019-10-07 15:17:41,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:41,091 INFO L93 Difference]: Finished difference Result 509 states and 583 transitions. [2019-10-07 15:17:41,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:41,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-10-07 15:17:41,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:41,096 INFO L225 Difference]: With dead ends: 509 [2019-10-07 15:17:41,097 INFO L226 Difference]: Without dead ends: 342 [2019-10-07 15:17:41,102 INFO L606 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 [2019-10-07 15:17:41,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-10-07 15:17:41,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 332. [2019-10-07 15:17:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2019-10-07 15:17:41,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 368 transitions. [2019-10-07 15:17:41,158 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 368 transitions. Word has length 72 [2019-10-07 15:17:41,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:41,158 INFO L462 AbstractCegarLoop]: Abstraction has 332 states and 368 transitions. [2019-10-07 15:17:41,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:17:41,158 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 368 transitions. [2019-10-07 15:17:41,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 15:17:41,160 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:41,160 INFO L385 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] [2019-10-07 15:17:41,160 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:41,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:41,161 INFO L82 PathProgramCache]: Analyzing trace with hash 845753340, now seen corresponding path program 1 times [2019-10-07 15:17:41,161 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:41,161 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:41,161 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:41,162 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:41,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:41,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:41,242 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:41,243 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:41,243 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:41,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:41,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:41,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:41,244 INFO L87 Difference]: Start difference. First operand 332 states and 368 transitions. Second operand 7 states. [2019-10-07 15:17:41,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:41,809 INFO L93 Difference]: Finished difference Result 525 states and 604 transitions. [2019-10-07 15:17:41,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:17:41,810 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-10-07 15:17:41,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:41,814 INFO L225 Difference]: With dead ends: 525 [2019-10-07 15:17:41,814 INFO L226 Difference]: Without dead ends: 358 [2019-10-07 15:17:41,815 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:17:41,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2019-10-07 15:17:41,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 331. [2019-10-07 15:17:41,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-10-07 15:17:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 365 transitions. [2019-10-07 15:17:41,844 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 365 transitions. Word has length 75 [2019-10-07 15:17:41,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:41,845 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 365 transitions. [2019-10-07 15:17:41,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:41,845 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 365 transitions. [2019-10-07 15:17:41,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-07 15:17:41,847 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:41,847 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:17:41,847 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:41,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:41,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1405283872, now seen corresponding path program 1 times [2019-10-07 15:17:41,848 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:41,848 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:41,848 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:41,849 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:41,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:42,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:17:42,009 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:42,009 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:42,009 INFO L95 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 [2019-10-07 15:17:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:42,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-07 15:17:42,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:42,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:17:42,302 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:42,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:17:42,576 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:17:42,576 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2019-10-07 15:17:42,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:42,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:42,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:42,579 INFO L87 Difference]: Start difference. First operand 331 states and 365 transitions. Second operand 3 states. [2019-10-07 15:17:42,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:42,634 INFO L93 Difference]: Finished difference Result 473 states and 534 transitions. [2019-10-07 15:17:42,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:42,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-10-07 15:17:42,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:42,641 INFO L225 Difference]: With dead ends: 473 [2019-10-07 15:17:42,641 INFO L226 Difference]: Without dead ends: 470 [2019-10-07 15:17:42,642 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:42,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-10-07 15:17:42,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 463. [2019-10-07 15:17:42,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2019-10-07 15:17:42,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 522 transitions. [2019-10-07 15:17:42,723 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 522 transitions. Word has length 88 [2019-10-07 15:17:42,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:42,727 INFO L462 AbstractCegarLoop]: Abstraction has 463 states and 522 transitions. [2019-10-07 15:17:42,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:42,728 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 522 transitions. [2019-10-07 15:17:42,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 15:17:42,738 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:42,738 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:42,943 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:42,944 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:42,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:42,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1315830805, now seen corresponding path program 1 times [2019-10-07 15:17:42,945 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:42,946 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:42,946 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:42,946 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:42,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:43,151 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 15:17:43,151 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:43,152 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:43,152 INFO L95 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 [2019-10-07 15:17:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:43,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:43,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-07 15:17:43,464 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:44,289 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 15:17:44,290 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:44,290 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 25 [2019-10-07 15:17:44,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:44,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:44,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:17:44,292 INFO L87 Difference]: Start difference. First operand 463 states and 522 transitions. Second operand 11 states. [2019-10-07 15:17:45,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:45,081 INFO L93 Difference]: Finished difference Result 1005 states and 1170 transitions. [2019-10-07 15:17:45,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:17:45,081 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 140 [2019-10-07 15:17:45,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:45,085 INFO L225 Difference]: With dead ends: 1005 [2019-10-07 15:17:45,086 INFO L226 Difference]: Without dead ends: 567 [2019-10-07 15:17:45,087 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:17:45,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2019-10-07 15:17:45,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 556. [2019-10-07 15:17:45,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2019-10-07 15:17:45,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 622 transitions. [2019-10-07 15:17:45,126 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 622 transitions. Word has length 140 [2019-10-07 15:17:45,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:45,127 INFO L462 AbstractCegarLoop]: Abstraction has 556 states and 622 transitions. [2019-10-07 15:17:45,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:45,128 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 622 transitions. [2019-10-07 15:17:45,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-07 15:17:45,132 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:45,132 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-07 15:17:45,337 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:45,337 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:45,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:45,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1438529546, now seen corresponding path program 1 times [2019-10-07 15:17:45,338 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:45,338 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:45,338 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:45,338 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:45,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-10-07 15:17:45,579 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:45,580 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:45,580 INFO L95 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 [2019-10-07 15:17:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:45,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 33 conjunts are in the unsatisfiable core [2019-10-07 15:17:45,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:45,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:46,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:46,156 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-07 15:17:46,157 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:46,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:47,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:47,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:47,522 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:47,823 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-10-07 15:17:47,824 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:47,824 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14, 13] total 35 [2019-10-07 15:17:47,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-07 15:17:47,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-07 15:17:47,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1039, Unknown=0, NotChecked=0, Total=1190 [2019-10-07 15:17:47,826 INFO L87 Difference]: Start difference. First operand 556 states and 622 transitions. Second operand 14 states. [2019-10-07 15:17:50,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:50,114 INFO L93 Difference]: Finished difference Result 1379 states and 1613 transitions. [2019-10-07 15:17:50,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-07 15:17:50,115 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 186 [2019-10-07 15:17:50,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:50,122 INFO L225 Difference]: With dead ends: 1379 [2019-10-07 15:17:50,122 INFO L226 Difference]: Without dead ends: 848 [2019-10-07 15:17:50,126 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 349 SyntacticMatches, 8 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=386, Invalid=2476, Unknown=0, NotChecked=0, Total=2862 [2019-10-07 15:17:50,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2019-10-07 15:17:50,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 805. [2019-10-07 15:17:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2019-10-07 15:17:50,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 921 transitions. [2019-10-07 15:17:50,195 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 921 transitions. Word has length 186 [2019-10-07 15:17:50,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:50,196 INFO L462 AbstractCegarLoop]: Abstraction has 805 states and 921 transitions. [2019-10-07 15:17:50,196 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-07 15:17:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 921 transitions. [2019-10-07 15:17:50,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-07 15:17:50,201 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:50,202 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-07 15:17:50,409 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:50,409 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:50,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:50,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1963195477, now seen corresponding path program 1 times [2019-10-07 15:17:50,410 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:50,410 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:50,410 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:50,410 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:50,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 39 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-07 15:17:50,888 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:50,888 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:50,889 INFO L95 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 [2019-10-07 15:17:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:51,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 56 conjunts are in the unsatisfiable core [2019-10-07 15:17:51,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:51,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:51,321 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:51,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:51,549 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 92 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-07 15:17:51,549 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:51,923 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:51,924 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:52,143 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:52,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:52,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:52,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:52,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:52,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:52,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:52,590 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:52,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:52,718 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:52,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:52,790 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:52,960 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-10-07 15:17:52,961 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:17:52,985 INFO L162 IcfgInterpreter]: Started Sifa with 110 locations of interest [2019-10-07 15:17:52,985 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:17:52,992 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:17:52,999 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:17:52,999 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:18:00,844 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 15:18:02,508 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-07 15:18:02,631 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:18:02,779 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:18:03,009 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:18:03,259 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:03,501 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:03,718 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:03,913 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:04,264 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-07 15:18:04,396 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:04,533 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:04,656 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:04,845 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:04,964 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-07 15:18:05,188 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 550 for LOIs [2019-10-07 15:18:05,293 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:05,397 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:05,561 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:05,682 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:05,797 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:05,920 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:06,137 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:06,291 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:06,504 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 550 [2019-10-07 15:18:06,608 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:06,735 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:06,962 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:07,083 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:07,420 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:07,627 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:07,781 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:07,983 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:08,102 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:08,312 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:08,431 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:08,551 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:08,769 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:09,089 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:09,301 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:09,461 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:09,779 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:09,961 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:10,136 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:10,265 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:10,484 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:10,595 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:10,741 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:10,849 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:10,958 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:11,076 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:11,229 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:11,339 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:11,471 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:11,712 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:11,832 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:11,960 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:12,072 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:12,185 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:12,306 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:12,417 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:12,541 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:12,669 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:12,783 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:12,899 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:13,022 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:13,160 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:13,271 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:13,446 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:13,655 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:18:13,803 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:13,930 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:14,040 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:14,151 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:14,272 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:14,487 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:14,596 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:14,725 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:15,079 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:15,188 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:15,309 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:15,418 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:15,527 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:15,658 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:16,006 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:16,144 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:16,275 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:16,720 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:17,001 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:17,332 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:17,765 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:17,960 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:18,142 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:18,342 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:18,452 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:18,587 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:18,782 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:18:18,893 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:19,027 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:19,365 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:19,475 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:19,597 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:19,805 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:19,933 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:20,060 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:20,168 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:20,278 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:20,445 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:20,791 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:20,910 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:21,030 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:21,226 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:21,339 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:21,459 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:21,566 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:21,693 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:21,809 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:22,016 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:22,127 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:22,249 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:22,449 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:22,561 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:22,699 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:22,896 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:23,006 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:23,135 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:23,330 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:23,440 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:23,564 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:23,755 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:18:23,866 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:23,997 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:24,195 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:18:24,306 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:24,430 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:24,620 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:18:24,730 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:24,854 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:25,059 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:25,169 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:25,302 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:25,499 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:25,610 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:25,731 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:25,840 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:25,949 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:26,065 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:26,272 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:26,388 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:26,515 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:26,715 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:26,825 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:26,950 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:27,144 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:27,254 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:27,374 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:27,574 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:18:27,687 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:27,812 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:28,022 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:18:28,135 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:28,267 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:28,476 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:28,587 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:28,708 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:28,905 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:29,015 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:29,139 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:29,346 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:29,455 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:29,576 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:29,771 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:29,881 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:30,002 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:30,111 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:30,222 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:30,341 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:30,466 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:30,582 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:30,715 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:30,922 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:31,036 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:31,160 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:31,365 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:31,476 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:31,597 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:31,793 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:31,904 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:32,027 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:32,135 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:32,250 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:32,371 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:32,581 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:32,692 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:32,827 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:33,028 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:33,149 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:33,273 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:33,485 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:18:33,607 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:33,728 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:33,916 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:34,026 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:34,149 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:34,152 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-10-07 15:18:34,463 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:34,798 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:34,977 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 550 [2019-10-07 15:18:35,195 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:35,510 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:35,516 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-10-07 15:18:35,835 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:36,178 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:36,284 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:18:36,387 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:18:36,509 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:36,613 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:18:36,714 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:18:36,838 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:18:36,947 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 15:18:37,051 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 15:18:37,177 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 577 [2019-10-07 15:18:37,323 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:37,597 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:37,969 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 581 [2019-10-07 15:18:38,182 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 565 [2019-10-07 15:18:38,520 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:38,849 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:38,995 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:39,268 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:39,588 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:39,693 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:39,965 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:40,272 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:40,390 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:40,677 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:40,984 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:41,090 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:41,362 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:41,815 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:41,920 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:42,193 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:42,508 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:42,613 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:42,889 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:43,193 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:43,299 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:43,584 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:43,893 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:44,001 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:44,275 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:44,691 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:44,796 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:45,068 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:45,374 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:45,480 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:45,758 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:46,068 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:46,175 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:46,448 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:46,759 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:46,864 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:47,140 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:47,446 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:47,551 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:47,825 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:48,133 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:48,239 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:48,512 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:48,836 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:48,941 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:49,212 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:49,519 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:49,625 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:49,904 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:18:50,216 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:18:50,586 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:51,017 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:51,433 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:51,859 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:52,275 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:52,693 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:53,104 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:53,523 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:53,954 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:54,372 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:54,800 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:55,214 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:55,625 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:56,039 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:56,454 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:56,869 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:57,279 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:18:58,276 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:58,278 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: assume true; at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: assume true; at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:18:58,284 INFO L168 Benchmark]: Toolchain (without parser) took 82211.62 ms. Allocated memory was 136.8 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 99.5 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 169.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:58,284 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:18:58,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.63 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 99.3 MB in the beginning and 167.8 MB in the end (delta: -68.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:58,286 INFO L168 Benchmark]: Boogie Preprocessor took 117.85 ms. Allocated memory is still 201.3 MB. Free memory was 167.8 MB in the beginning and 163.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:58,286 INFO L168 Benchmark]: RCFGBuilder took 1693.31 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 162.7 MB in the beginning and 141.5 MB in the end (delta: 21.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:58,286 INFO L168 Benchmark]: TraceAbstraction took 79767.72 ms. Allocated memory was 231.2 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 141.5 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 116.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:58,291 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 627.63 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 99.3 MB in the beginning and 167.8 MB in the end (delta: -68.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.85 ms. Allocated memory is still 201.3 MB. Free memory was 167.8 MB in the beginning and 163.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1693.31 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 162.7 MB in the beginning and 141.5 MB in the end (delta: 21.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 79767.72 ms. Allocated memory was 231.2 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 141.5 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 116.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: assume true; de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: assume true;: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...