/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:11:49,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:11:49,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:11:49,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:11:49,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:11:49,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:11:49,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:11:49,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:11:49,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:11:49,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:11:49,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:11:49,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:11:49,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:11:49,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:11:49,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:11:49,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:11:49,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:11:49,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:11:49,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:11:49,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:11:49,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:11:49,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:11:49,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:11:49,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:11:49,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:11:49,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:11:49,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:11:49,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:11:49,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:11:49,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:11:49,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:11:49,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:11:49,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:11:49,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:11:49,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:11:49,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:11:49,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:11:49,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:11:49,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:11:49,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:11:49,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:11:49,456 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:11:49,506 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:11:49,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:11:49,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:11:49,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:11:49,509 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:11:49,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:11:49,510 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:11:49,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:11:49,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:11:49,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:11:49,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:11:49,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:11:49,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:11:49,513 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:11:49,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:11:49,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:11:49,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:11:49,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:11:49,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:11:49,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:11:49,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:11:49,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:11:49,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:11:49,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:11:49,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:11:49,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:11:49,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:11:49,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:11:49,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:11:49,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:11:49,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:11:49,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:11:50,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:11:50,003 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:11:50,004 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:11:50,005 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-09-21 11:11:50,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4095ffe38/bca20d9c580a419da8fab7e95ec53eb5/FLAG10ebd45ec [2020-09-21 11:11:50,706 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:11:50,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-09-21 11:11:50,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4095ffe38/bca20d9c580a419da8fab7e95ec53eb5/FLAG10ebd45ec [2020-09-21 11:11:50,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4095ffe38/bca20d9c580a419da8fab7e95ec53eb5 [2020-09-21 11:11:51,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:11:51,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:11:51,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:51,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:11:51,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:11:51,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:50" (1/1) ... [2020-09-21 11:11:51,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:51, skipping insertion in model container [2020-09-21 11:11:51,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:50" (1/1) ... [2020-09-21 11:11:51,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:11:51,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:11:51,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:51,490 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:11:51,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:51,741 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:11:51,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:51 WrapperNode [2020-09-21 11:11:51,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:51,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:11:51,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:11:51,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:11:51,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:51" (1/1) ... [2020-09-21 11:11:51,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:51" (1/1) ... [2020-09-21 11:11:51,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:51" (1/1) ... [2020-09-21 11:11:51,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:51" (1/1) ... [2020-09-21 11:11:51,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:51" (1/1) ... [2020-09-21 11:11:51,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:51" (1/1) ... [2020-09-21 11:11:51,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:51" (1/1) ... [2020-09-21 11:11:51,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:11:51,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:11:51,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:11:51,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:11:51,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-21 11:11:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:11:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:11:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:11:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:11:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:11:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:11:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:11:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:11:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:11:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:11:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:11:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:11:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:11:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:11:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:11:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:11:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:11:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:11:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:11:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:11:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:11:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:11:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:11:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:11:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:11:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:11:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:11:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:11:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:11:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:11:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:11:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:11:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:11:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:11:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:11:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:11:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:11:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:11:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:11:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:11:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:11:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:11:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:11:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:11:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:11:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:11:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:11:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:11:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:11:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:11:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:11:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:11:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:11:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:11:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:11:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:11:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:11:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:11:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:11:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:11:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:11:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:11:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:11:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:11:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:11:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:11:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:11:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:11:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:11:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:11:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:11:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:11:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:11:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:11:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:11:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:11:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:11:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:11:53,084 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:11:53,084 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:11:53,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:53 BoogieIcfgContainer [2020-09-21 11:11:53,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:11:53,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:11:53,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:11:53,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:11:53,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:11:50" (1/3) ... [2020-09-21 11:11:53,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355a1498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:53, skipping insertion in model container [2020-09-21 11:11:53,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:51" (2/3) ... [2020-09-21 11:11:53,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355a1498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:53, skipping insertion in model container [2020-09-21 11:11:53,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:53" (3/3) ... [2020-09-21 11:11:53,100 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2020-09-21 11:11:53,112 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:11:53,122 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:11:53,145 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:11:53,176 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:11:53,177 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:11:53,177 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:11:53,177 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:11:53,177 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:11:53,177 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:11:53,178 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:11:53,178 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:11:53,205 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-09-21 11:11:53,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:11:53,218 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:53,220 INFO L422 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] [2020-09-21 11:11:53,220 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:53,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:53,227 INFO L82 PathProgramCache]: Analyzing trace with hash -11503159, now seen corresponding path program 1 times [2020-09-21 11:11:53,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:53,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [22034401] [2020-09-21 11:11:53,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:53,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:53,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:53,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:53,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:53,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:11:53,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:53,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:11:53,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:53,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:53,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:11:53,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:53,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:54,081 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:54,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:54,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:54,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:54,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:54,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:54,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:54,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:54,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:54,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:54,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:54,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:54,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:54,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:54,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:54,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:54,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:54,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:54,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:54,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:54,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:54,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:54,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:54,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:54,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:54,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:54,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:54,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:54,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:54,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:54,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:54,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:54,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:54,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:54,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:11:54,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:54,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:54,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:54,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:54,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:54,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:54,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:54,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:54,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:54,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:54,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:54,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:54,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:54,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:54,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:54,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:54,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:54,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:54,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:54,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:54,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:54,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:54,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:54,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:54,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:54,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:54,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:11:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:54,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:54,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:54,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:54,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:54,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:54,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:54,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:54,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:54,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:54,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:54,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:54,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:54,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:54,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:54,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:54,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:54,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:54,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:54,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:54,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:54,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:54,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:54,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:54,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:54,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:54,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [22034401] [2020-09-21 11:11:54,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:54,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:11:54,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938888780] [2020-09-21 11:11:54,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:11:54,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:54,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:11:54,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:54,276 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 3 states. [2020-09-21 11:11:55,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:55,323 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2020-09-21 11:11:55,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:11:55,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:11:55,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:55,344 INFO L225 Difference]: With dead ends: 247 [2020-09-21 11:11:55,344 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 11:11:55,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:55,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 11:11:55,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-09-21 11:11:55,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 11:11:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-09-21 11:11:55,447 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-09-21 11:11:55,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:55,447 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-09-21 11:11:55,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:11:55,448 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-09-21 11:11:55,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:11:55,451 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:55,452 INFO L422 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] [2020-09-21 11:11:55,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:11:55,452 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:55,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:55,453 INFO L82 PathProgramCache]: Analyzing trace with hash -916860037, now seen corresponding path program 1 times [2020-09-21 11:11:55,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:55,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927728660] [2020-09-21 11:11:55,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:55,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:55,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:55,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:55,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:55,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:11:55,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:55,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:11:55,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:11:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:11:55,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:55,870 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:55,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:55,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:55,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:55,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:55,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:55,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:55,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:55,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:55,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:55,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:55,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:55,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:55,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:55,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:55,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:55,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:55,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:55,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:55,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:55,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:55,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:55,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:55,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:55,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:55,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:55,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:55,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:55,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:55,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:55,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:55,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:55,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:55,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:55,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:55,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:55,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:55,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:55,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:55,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:55,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:55,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:55,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:55,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:55,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:55,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:55,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:55,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:55,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:55,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:55,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:55,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:55,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:55,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:55,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:55,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:55,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:55,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:55,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:55,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:55,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:55,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:11:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:55,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:55,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:55,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:55,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:55,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:55,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:55,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:55,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:55,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:55,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:55,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:55,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:55,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:55,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:55,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:55,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:55,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:55,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:55,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:55,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:55,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:55,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:55,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:55,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:55,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927728660] [2020-09-21 11:11:55,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:55,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:55,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55627785] [2020-09-21 11:11:55,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:55,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:55,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:55,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:55,968 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2020-09-21 11:11:56,415 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:56,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:56,983 INFO L93 Difference]: Finished difference Result 180 states and 218 transitions. [2020-09-21 11:11:56,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:56,984 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:11:56,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:56,987 INFO L225 Difference]: With dead ends: 180 [2020-09-21 11:11:56,987 INFO L226 Difference]: Without dead ends: 118 [2020-09-21 11:11:56,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:56,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-09-21 11:11:57,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-09-21 11:11:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 11:11:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-09-21 11:11:57,020 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2020-09-21 11:11:57,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:57,021 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-09-21 11:11:57,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-09-21 11:11:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:11:57,023 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:57,023 INFO L422 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] [2020-09-21 11:11:57,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:11:57,023 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:57,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:57,024 INFO L82 PathProgramCache]: Analyzing trace with hash 70257927, now seen corresponding path program 1 times [2020-09-21 11:11:57,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:57,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599349169] [2020-09-21 11:11:57,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:57,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:57,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:57,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:57,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:57,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:11:57,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:57,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 11:11:57,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:57,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:11:57,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:57,437 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:57,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:57,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:57,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:57,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:57,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:57,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:57,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:57,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 11:11:57,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:57,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:57,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:57,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:57,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:57,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:57,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:57,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:57,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:57,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:57,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:57,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:57,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:57,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:57,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:57,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:57,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:57,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:57,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:57,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:57,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:57,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:57,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:57,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:57,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:57,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:57,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:57,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:57,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:57,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:57,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:57,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:57,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:57,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:57,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:57,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:57,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:57,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:57,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:57,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:57,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:57,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:57,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:57,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:57,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:57,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:57,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:57,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:57,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:57,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:57,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:57,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:57,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:57,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:57,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:11:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:57,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:57,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:57,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:57,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:57,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:57,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:57,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:57,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:57,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:57,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:57,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:57,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:57,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:11:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:57,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:57,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:57,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:57,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:57,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:57,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:57,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:57,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:57,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:57,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:57,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:57,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:57,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:57,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599349169] [2020-09-21 11:11:57,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:57,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:57,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239486864] [2020-09-21 11:11:57,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:57,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:57,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:57,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:57,579 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 4 states. [2020-09-21 11:11:57,878 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:58,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:58,570 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2020-09-21 11:11:58,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:58,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:11:58,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:58,573 INFO L225 Difference]: With dead ends: 189 [2020-09-21 11:11:58,574 INFO L226 Difference]: Without dead ends: 118 [2020-09-21 11:11:58,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:58,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-09-21 11:11:58,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-09-21 11:11:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 11:11:58,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-09-21 11:11:58,623 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2020-09-21 11:11:58,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:58,624 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-09-21 11:11:58,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-09-21 11:11:58,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:11:58,635 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:58,635 INFO L422 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] [2020-09-21 11:11:58,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:11:58,635 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:58,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:58,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1578513704, now seen corresponding path program 1 times [2020-09-21 11:11:58,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:58,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868002024] [2020-09-21 11:11:58,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:59,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:59,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:59,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:59,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:59,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:11:59,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:59,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 540 [2020-09-21 11:11:59,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:59,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:11:59,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:59,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:11:59,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:59,662 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:59,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:59,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:59,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:59,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:59,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:59,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:59,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:59,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:11:59,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:59,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:59,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:59,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:59,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:59,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:59,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:59,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:59,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:59,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:59,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:59,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:59,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:59,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:59,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:59,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:59,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:59,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:59,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:59,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:59,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:59,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:59,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:59,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:59,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:59,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:59,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:59,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:59,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:59,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:59,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:59,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:59,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:59,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:59,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:59,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:59,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:59,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:59,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:59,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:59,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:59,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:59,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:59,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:59,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:59,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:59,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:59,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:59,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:59,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:59,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:11:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:59,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:59,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:59,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:59,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:59,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:11:59,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:59,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:59,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:59,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:59,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:59,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:11:59,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:59,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:59,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:59,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:59,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:59,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:59,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:59,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:59,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:59,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:59,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:59,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:59,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:59,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:59,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:11:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:59,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:59,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:59,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:59,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:59,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:59,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:59,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:59,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:59,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:59,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:59,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:59,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:11:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:59,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:59,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:59,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:59,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:59,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:59,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:59,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:59,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:59,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:59,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:59,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868002024] [2020-09-21 11:11:59,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:59,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:11:59,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233405659] [2020-09-21 11:11:59,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:11:59,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:59,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:11:59,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:11:59,934 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 8 states. [2020-09-21 11:12:00,579 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:01,674 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:02,020 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:02,345 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:02,639 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:03,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:03,425 INFO L93 Difference]: Finished difference Result 279 states and 366 transitions. [2020-09-21 11:12:03,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:12:03,427 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-09-21 11:12:03,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:03,431 INFO L225 Difference]: With dead ends: 279 [2020-09-21 11:12:03,431 INFO L226 Difference]: Without dead ends: 208 [2020-09-21 11:12:03,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:12:03,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-21 11:12:03,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 164. [2020-09-21 11:12:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-09-21 11:12:03,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2020-09-21 11:12:03,487 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 59 [2020-09-21 11:12:03,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:03,488 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2020-09-21 11:12:03,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:12:03,488 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2020-09-21 11:12:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-09-21 11:12:03,490 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:03,490 INFO L422 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] [2020-09-21 11:12:03,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:12:03,490 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:03,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:03,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1583734356, now seen corresponding path program 1 times [2020-09-21 11:12:03,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:03,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1522283546] [2020-09-21 11:12:03,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:03,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:03,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:03,761 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:03,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:03,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-09-21 11:12:03,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:03,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-09-21 11:12:03,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:03,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:12:03,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:03,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:12:03,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:04,041 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:04,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:04,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:04,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:04,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:04,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:04,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:04,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:04,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:12:04,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:04,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:04,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:04,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:04,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:04,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:04,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:04,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:04,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:04,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:04,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:04,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:04,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:04,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:04,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:04,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:04,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:04,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:04,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:04,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:04,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:04,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:04,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:04,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:04,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:04,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:04,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:04,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:04,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:04,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:04,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:04,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:04,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:04,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:04,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:04,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:04,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:04,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:04,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:04,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:04,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:04,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:04,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:04,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:04,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:04,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:04,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:04,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:04,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:04,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:04,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:04,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:04,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:04,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:04,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:04,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:04,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:12:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:04,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:04,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:04,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:04,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:04,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:04,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:04,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:04,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:04,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:04,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:04,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:04,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:04,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:12:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:04,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:04,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:04,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:04,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:04,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:04,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:04,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:04,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:04,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:04,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:04,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:12:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:04,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:04,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:04,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:04,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:04,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:04,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:04,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:04,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:12:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:04,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:04,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:04,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:04,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:04,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:04,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:04,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:04,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:04,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:04,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:04,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:04,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:04,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:04,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:04,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:12:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:04,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:04,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:04,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:04,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:04,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:04,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:04,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:04,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:04,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:04,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 11:12:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:04,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:04,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:04,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:04,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:04,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:04,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:04,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:04,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:04,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:04,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:04,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1522283546] [2020-09-21 11:12:04,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:04,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:12:04,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571240656] [2020-09-21 11:12:04,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:12:04,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:04,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:12:04,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:12:04,233 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 6 states. [2020-09-21 11:12:04,634 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:05,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:05,175 INFO L93 Difference]: Finished difference Result 265 states and 327 transitions. [2020-09-21 11:12:05,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:12:05,175 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2020-09-21 11:12:05,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:05,177 INFO L225 Difference]: With dead ends: 265 [2020-09-21 11:12:05,177 INFO L226 Difference]: Without dead ends: 125 [2020-09-21 11:12:05,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:12:05,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-21 11:12:05,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 113. [2020-09-21 11:12:05,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-09-21 11:12:05,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 126 transitions. [2020-09-21 11:12:05,225 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 126 transitions. Word has length 67 [2020-09-21 11:12:05,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:05,226 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 126 transitions. [2020-09-21 11:12:05,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:12:05,226 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 126 transitions. [2020-09-21 11:12:05,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:12:05,228 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:05,228 INFO L422 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] [2020-09-21 11:12:05,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:12:05,228 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:05,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:05,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1966313006, now seen corresponding path program 1 times [2020-09-21 11:12:05,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:05,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618189468] [2020-09-21 11:12:05,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:12:05,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 335 [2020-09-21 11:12:05,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:12:05,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:05,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 11:12:05,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,934 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:05,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:05,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:12:05,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:05,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:05,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:05,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:06,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:06,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:06,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:06,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:06,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:06,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:06,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:06,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:06,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:06,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:06,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:06,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:06,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:06,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:06,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:06,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:06,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:06,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:06,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:06,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:06,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:06,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:06,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:06,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:06,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:06,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:06,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:06,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:06,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:06,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:06,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:06,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:06,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:06,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:06,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:06,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:06,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:06,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:06,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:06,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:06,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:06,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:12:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:06,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:06,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:06,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:06,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:06,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:06,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:06,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:12:06,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:06,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:12:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:12:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:12:06,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:12:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:06,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:06,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:06,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:06,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:06,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:06,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:06,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:06,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:06,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:06,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:06,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:12:06,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:06,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:06,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:06,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:06,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:06,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:06,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:06,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:06,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:06,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:06,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:06,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:12:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:06,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:06,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:06,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:06,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:06,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:06,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:06,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:06,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:06,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:06,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:06,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:06,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:06,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:12:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:06,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:06,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:06,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:06,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:06,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:06,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:06,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:06,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:06,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:06,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:06,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:06,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:06,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618189468] [2020-09-21 11:12:06,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:06,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:12:06,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105723968] [2020-09-21 11:12:06,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:12:06,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:06,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:12:06,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:12:06,155 INFO L87 Difference]: Start difference. First operand 113 states and 126 transitions. Second operand 11 states. [2020-09-21 11:12:06,722 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:07,410 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:08,003 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:08,339 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:08,698 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:09,007 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:09,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:09,221 INFO L93 Difference]: Finished difference Result 167 states and 196 transitions. [2020-09-21 11:12:09,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:12:09,224 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2020-09-21 11:12:09,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:09,225 INFO L225 Difference]: With dead ends: 167 [2020-09-21 11:12:09,225 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:12:09,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:12:09,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:12:09,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:12:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:12:09,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:12:09,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-09-21 11:12:09,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:09,227 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:12:09,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:12:09,227 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:12:09,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:12:09,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:12:09,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:12:09,469 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:09,644 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:09,807 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:10,086 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:12:10,374 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:12:10,655 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:12:10,828 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:10,987 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:11,149 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:11,852 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 203 [2020-09-21 11:12:12,008 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:12,685 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 203 [2020-09-21 11:12:12,845 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:12,984 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:13,145 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:13,299 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:13,460 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:13,615 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:13,768 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:13,922 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:14,078 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:14,235 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:14,392 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:14,547 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:14,717 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:14,872 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:15,141 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:12:15,386 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:15,631 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:15,786 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:15,939 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:16,093 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:16,250 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:16,405 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:17,065 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 203 [2020-09-21 11:12:17,231 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:17,384 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:17,537 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:17,693 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:17,849 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:18,003 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:18,182 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:18,334 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:19,015 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 203 [2020-09-21 11:12:19,660 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:19,891 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:20,519 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:20,753 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:21,077 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-09-21 11:12:21,297 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:21,620 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-09-21 11:12:21,862 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:22,129 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:22,755 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:23,412 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:23,642 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:24,311 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:12:24,988 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:25,627 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:12:25,840 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:26,153 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-09-21 11:12:26,382 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:26,596 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:26,809 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:27,020 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:27,247 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:27,532 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:27,907 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-09-21 11:12:27,912 INFO L268 CegarLoopResult]: For program point L607(line 607) no Hoare annotation was computed. [2020-09-21 11:12:27,913 INFO L268 CegarLoopResult]: For program point L606-2(lines 606 627) no Hoare annotation was computed. [2020-09-21 11:12:27,913 INFO L268 CegarLoopResult]: For program point L628(lines 605 629) no Hoare annotation was computed. [2020-09-21 11:12:27,913 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 581 636) no Hoare annotation was computed. [2020-09-21 11:12:27,913 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 581 636) no Hoare annotation was computed. [2020-09-21 11:12:27,913 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-09-21 11:12:27,914 INFO L268 CegarLoopResult]: For program point L612-1(lines 612 616) no Hoare annotation was computed. [2020-09-21 11:12:27,915 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 581 636) no Hoare annotation was computed. [2020-09-21 11:12:27,915 INFO L268 CegarLoopResult]: For program point L669(lines 669 673) no Hoare annotation was computed. [2020-09-21 11:12:27,915 INFO L268 CegarLoopResult]: For program point L669-1(lines 669 673) no Hoare annotation was computed. [2020-09-21 11:12:27,915 INFO L268 CegarLoopResult]: For program point L664(line 664) no Hoare annotation was computed. [2020-09-21 11:12:27,915 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 637 696) no Hoare annotation was computed. [2020-09-21 11:12:27,915 INFO L268 CegarLoopResult]: For program point L663-2(lines 663 688) no Hoare annotation was computed. [2020-09-21 11:12:27,915 INFO L268 CegarLoopResult]: For program point L689(lines 662 690) no Hoare annotation was computed. [2020-09-21 11:12:27,916 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 637 696) no Hoare annotation was computed. [2020-09-21 11:12:27,917 INFO L268 CegarLoopResult]: For program point L682(line 682) no Hoare annotation was computed. [2020-09-21 11:12:27,917 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 637 696) no Hoare annotation was computed. [2020-09-21 11:12:27,918 INFO L268 CegarLoopResult]: For program point L682-1(line 682) no Hoare annotation was computed. [2020-09-21 11:12:27,918 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 200 206) the Hoare annotation is: true [2020-09-21 11:12:27,918 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 200 206) no Hoare annotation was computed. [2020-09-21 11:12:27,918 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 207 215) no Hoare annotation was computed. [2020-09-21 11:12:27,918 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 207 215) the Hoare annotation is: true [2020-09-21 11:12:27,918 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 207 215) no Hoare annotation was computed. [2020-09-21 11:12:27,919 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-09-21 11:12:27,920 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:12:27,920 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-09-21 11:12:27,922 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:12:27,922 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-09-21 11:12:27,922 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-09-21 11:12:27,923 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-09-21 11:12:27,923 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-09-21 11:12:27,923 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-09-21 11:12:27,923 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-09-21 11:12:27,925 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:27,925 INFO L264 CegarLoopResult]: At program point L161-1(line 161) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:27,925 INFO L268 CegarLoopResult]: For program point L159(lines 159 166) no Hoare annotation was computed. [2020-09-21 11:12:27,926 INFO L268 CegarLoopResult]: For program point L159-1(lines 159 166) no Hoare annotation was computed. [2020-09-21 11:12:27,926 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 149 171) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:27,926 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 11:12:27,926 INFO L264 CegarLoopResult]: At program point L156(line 156) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:27,926 INFO L264 CegarLoopResult]: At program point L155(line 155) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:27,926 INFO L264 CegarLoopResult]: At program point L155-1(line 155) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:27,926 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 149 171) no Hoare annotation was computed. [2020-09-21 11:12:27,927 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 149 171) no Hoare annotation was computed. [2020-09-21 11:12:27,927 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 104 127) no Hoare annotation was computed. [2020-09-21 11:12:27,927 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 104 127) no Hoare annotation was computed. [2020-09-21 11:12:27,927 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 104 127) no Hoare annotation was computed. [2020-09-21 11:12:27,927 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-21 11:12:27,927 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 11:12:27,929 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-21 11:12:27,929 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-21 11:12:27,929 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 11:12:27,929 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-09-21 11:12:27,929 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-09-21 11:12:27,929 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 11:12:27,929 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-21 11:12:27,930 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-21 11:12:27,930 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 11:12:27,930 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-09-21 11:12:27,930 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-09-21 11:12:27,930 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 11:12:27,930 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 375 383) no Hoare annotation was computed. [2020-09-21 11:12:27,930 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 375 383) the Hoare annotation is: true [2020-09-21 11:12:27,930 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 375 383) no Hoare annotation was computed. [2020-09-21 11:12:27,931 INFO L268 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2020-09-21 11:12:27,931 INFO L271 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: true [2020-09-21 11:12:27,931 INFO L268 CegarLoopResult]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2020-09-21 11:12:27,931 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-09-21 11:12:27,931 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 420 438) the Hoare annotation is: true [2020-09-21 11:12:27,931 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 420 438) no Hoare annotation was computed. [2020-09-21 11:12:27,933 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 420 438) no Hoare annotation was computed. [2020-09-21 11:12:27,933 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-09-21 11:12:27,933 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-09-21 11:12:27,934 INFO L268 CegarLoopResult]: For program point L403(lines 403 411) no Hoare annotation was computed. [2020-09-21 11:12:27,934 INFO L268 CegarLoopResult]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2020-09-21 11:12:27,934 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 384 419) no Hoare annotation was computed. [2020-09-21 11:12:27,934 INFO L268 CegarLoopResult]: For program point L391(lines 391 399) no Hoare annotation was computed. [2020-09-21 11:12:27,934 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 384 419) no Hoare annotation was computed. [2020-09-21 11:12:27,934 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 399) no Hoare annotation was computed. [2020-09-21 11:12:27,934 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 384 419) no Hoare annotation was computed. [2020-09-21 11:12:27,934 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 193 199) no Hoare annotation was computed. [2020-09-21 11:12:27,935 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 193 199) the Hoare annotation is: true [2020-09-21 11:12:27,935 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 535 580) no Hoare annotation was computed. [2020-09-21 11:12:27,935 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 535 580) no Hoare annotation was computed. [2020-09-21 11:12:27,935 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 535 580) no Hoare annotation was computed. [2020-09-21 11:12:27,935 INFO L268 CegarLoopResult]: For program point L862(lines 862 882) no Hoare annotation was computed. [2020-09-21 11:12:27,935 INFO L268 CegarLoopResult]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2020-09-21 11:12:27,935 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 848 893) no Hoare annotation was computed. [2020-09-21 11:12:27,935 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 848 893) no Hoare annotation was computed. [2020-09-21 11:12:27,935 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 848 893) no Hoare annotation was computed. [2020-09-21 11:12:27,935 INFO L268 CegarLoopResult]: For program point L868(lines 868 875) no Hoare annotation was computed. [2020-09-21 11:12:27,936 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 136 145) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:27,936 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 136 145) no Hoare annotation was computed. [2020-09-21 11:12:27,936 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 136 145) no Hoare annotation was computed. [2020-09-21 11:12:27,936 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-09-21 11:12:27,936 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-09-21 11:12:27,938 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 364 374) no Hoare annotation was computed. [2020-09-21 11:12:27,938 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 364 374) no Hoare annotation was computed. [2020-09-21 11:12:27,938 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 364 374) no Hoare annotation was computed. [2020-09-21 11:12:27,938 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 356 363) the Hoare annotation is: true [2020-09-21 11:12:27,938 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 356 363) no Hoare annotation was computed. [2020-09-21 11:12:27,938 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 356 363) no Hoare annotation was computed. [2020-09-21 11:12:27,939 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 323 347) no Hoare annotation was computed. [2020-09-21 11:12:27,939 INFO L264 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:27,939 INFO L268 CegarLoopResult]: For program point L342-1(lines 323 347) no Hoare annotation was computed. [2020-09-21 11:12:27,939 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 323 347) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:27,939 INFO L264 CegarLoopResult]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:27,939 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:27,939 INFO L268 CegarLoopResult]: For program point L331(lines 331 339) no Hoare annotation was computed. [2020-09-21 11:12:27,940 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:27,940 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-09-21 11:12:27,940 INFO L268 CegarLoopResult]: For program point L327(lines 327 344) no Hoare annotation was computed. [2020-09-21 11:12:27,940 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 315 321) no Hoare annotation was computed. [2020-09-21 11:12:27,940 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 315 321) the Hoare annotation is: true [2020-09-21 11:12:27,940 INFO L264 CegarLoopResult]: At program point testENTRY(lines 217 280) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:27,940 INFO L268 CegarLoopResult]: For program point testFINAL(lines 217 280) no Hoare annotation was computed. [2020-09-21 11:12:27,941 INFO L264 CegarLoopResult]: At program point L273(lines 226 274) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:12:27,941 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-09-21 11:12:27,941 INFO L264 CegarLoopResult]: At program point L263-2(lines 257 268) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:27,941 INFO L268 CegarLoopResult]: For program point L228(lines 227 272) no Hoare annotation was computed. [2020-09-21 11:12:27,941 INFO L268 CegarLoopResult]: For program point L257(lines 257 268) no Hoare annotation was computed. [2020-09-21 11:12:27,941 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:27,941 INFO L268 CegarLoopResult]: For program point L247(lines 247 253) no Hoare annotation was computed. [2020-09-21 11:12:27,941 INFO L268 CegarLoopResult]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2020-09-21 11:12:27,942 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:27,942 INFO L264 CegarLoopResult]: At program point L270(lines 227 272) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:27,942 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-09-21 11:12:27,942 INFO L268 CegarLoopResult]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2020-09-21 11:12:27,942 INFO L268 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-09-21 11:12:27,942 INFO L268 CegarLoopResult]: For program point testEXIT(lines 217 280) no Hoare annotation was computed. [2020-09-21 11:12:27,942 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 802 847) no Hoare annotation was computed. [2020-09-21 11:12:27,942 INFO L268 CegarLoopResult]: For program point L822(lines 822 829) no Hoare annotation was computed. [2020-09-21 11:12:27,943 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 802 847) no Hoare annotation was computed. [2020-09-21 11:12:27,943 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 802 847) no Hoare annotation was computed. [2020-09-21 11:12:27,943 INFO L268 CegarLoopResult]: For program point L816(lines 816 836) no Hoare annotation was computed. [2020-09-21 11:12:27,943 INFO L268 CegarLoopResult]: For program point L816-1(lines 816 836) no Hoare annotation was computed. [2020-09-21 11:12:27,943 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 519 527) no Hoare annotation was computed. [2020-09-21 11:12:27,943 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 519 527) the Hoare annotation is: true [2020-09-21 11:12:27,943 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 519 527) no Hoare annotation was computed. [2020-09-21 11:12:27,943 INFO L268 CegarLoopResult]: For program point L495(lines 495 503) no Hoare annotation was computed. [2020-09-21 11:12:27,943 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 503) no Hoare annotation was computed. [2020-09-21 11:12:27,944 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 487 509) no Hoare annotation was computed. [2020-09-21 11:12:27,944 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 487 509) no Hoare annotation was computed. [2020-09-21 11:12:27,944 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 487 509) no Hoare annotation was computed. [2020-09-21 11:12:27,944 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 183 192) no Hoare annotation was computed. [2020-09-21 11:12:27,944 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 183 192) no Hoare annotation was computed. [2020-09-21 11:12:27,944 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 183 192) no Hoare annotation was computed. [2020-09-21 11:12:27,944 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 699 801) no Hoare annotation was computed. [2020-09-21 11:12:27,944 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-09-21 11:12:27,944 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-09-21 11:12:27,945 INFO L268 CegarLoopResult]: For program point L723(lines 723 727) no Hoare annotation was computed. [2020-09-21 11:12:27,945 INFO L268 CegarLoopResult]: For program point L787(lines 787 798) no Hoare annotation was computed. [2020-09-21 11:12:27,945 INFO L268 CegarLoopResult]: For program point L750(lines 750 754) no Hoare annotation was computed. [2020-09-21 11:12:27,945 INFO L268 CegarLoopResult]: For program point L748-2(lines 748 768) no Hoare annotation was computed. [2020-09-21 11:12:27,945 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 699 801) no Hoare annotation was computed. [2020-09-21 11:12:27,945 INFO L268 CegarLoopResult]: For program point L769(lines 747 770) no Hoare annotation was computed. [2020-09-21 11:12:27,945 INFO L268 CegarLoopResult]: For program point L728(lines 728 744) no Hoare annotation was computed. [2020-09-21 11:12:27,945 INFO L268 CegarLoopResult]: For program point L788(lines 788 795) no Hoare annotation was computed. [2020-09-21 11:12:27,946 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 699 801) no Hoare annotation was computed. [2020-09-21 11:12:27,946 INFO L268 CegarLoopResult]: For program point L749(lines 748 768) no Hoare annotation was computed. [2020-09-21 11:12:27,946 INFO L268 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-09-21 11:12:27,946 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-09-21 11:12:27,946 INFO L268 CegarLoopResult]: For program point L745(lines 745 786) no Hoare annotation was computed. [2020-09-21 11:12:27,946 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:27,946 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:12:27,947 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:27,947 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 348 355) no Hoare annotation was computed. [2020-09-21 11:12:27,947 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 348 355) no Hoare annotation was computed. [2020-09-21 11:12:27,947 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 348 355) no Hoare annotation was computed. [2020-09-21 11:12:27,947 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 510 518) the Hoare annotation is: true [2020-09-21 11:12:27,947 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 510 518) no Hoare annotation was computed. [2020-09-21 11:12:27,947 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 510 518) no Hoare annotation was computed. [2020-09-21 11:12:27,947 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 466 477) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-09-21 11:12:27,948 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 466 477) no Hoare annotation was computed. [2020-09-21 11:12:27,948 INFO L268 CegarLoopResult]: For program point L470-1(lines 466 477) no Hoare annotation was computed. [2020-09-21 11:12:27,948 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:27,948 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:12:27,948 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:27,948 INFO L264 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:27,950 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 291 314) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:27,950 INFO L264 CegarLoopResult]: At program point L302(lines 302 308) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:27,950 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 291 314) no Hoare annotation was computed. [2020-09-21 11:12:27,950 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-09-21 11:12:27,951 INFO L268 CegarLoopResult]: For program point L295(lines 294 313) no Hoare annotation was computed. [2020-09-21 11:12:27,951 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 291 314) no Hoare annotation was computed. [2020-09-21 11:12:27,951 INFO L271 CegarLoopResult]: At program point L96(lines 71 100) the Hoare annotation is: true [2020-09-21 11:12:27,951 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 71 100) no Hoare annotation was computed. [2020-09-21 11:12:27,951 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 71 100) the Hoare annotation is: true [2020-09-21 11:12:27,951 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 11:12:27,951 INFO L268 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-09-21 11:12:27,951 INFO L271 CegarLoopResult]: At program point L85-1(lines 85 89) the Hoare annotation is: true [2020-09-21 11:12:27,951 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:12:27,952 INFO L271 CegarLoopResult]: At program point L81-2(lines 81 95) the Hoare annotation is: true [2020-09-21 11:12:27,952 INFO L271 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: true [2020-09-21 11:12:27,952 INFO L268 CegarLoopResult]: For program point L77-1(line 77) no Hoare annotation was computed. [2020-09-21 11:12:27,952 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 478 486) no Hoare annotation was computed. [2020-09-21 11:12:27,952 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 478 486) no Hoare annotation was computed. [2020-09-21 11:12:27,952 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 478 486) no Hoare annotation was computed. [2020-09-21 11:12:27,952 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 442 453) the Hoare annotation is: true [2020-09-21 11:12:27,952 INFO L268 CegarLoopResult]: For program point L446-1(lines 442 453) no Hoare annotation was computed. [2020-09-21 11:12:27,952 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 442 453) no Hoare annotation was computed. [2020-09-21 11:12:27,953 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 128 134) no Hoare annotation was computed. [2020-09-21 11:12:27,953 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 128 134) the Hoare annotation is: true [2020-09-21 11:12:27,953 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:27,953 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:12:27,953 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:12:27,954 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:27,955 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 454 465) no Hoare annotation was computed. [2020-09-21 11:12:27,955 INFO L268 CegarLoopResult]: For program point L458-1(lines 454 465) no Hoare annotation was computed. [2020-09-21 11:12:27,955 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 454 465) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:12:27,956 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 173 180) no Hoare annotation was computed. [2020-09-21 11:12:27,957 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2020-09-21 11:12:27,957 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 173 180) the Hoare annotation is: true [2020-09-21 11:12:27,957 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 173 180) no Hoare annotation was computed. [2020-09-21 11:12:27,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:12:27 BoogieIcfgContainer [2020-09-21 11:12:27,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:12:27,998 INFO L168 Benchmark]: Toolchain (without parser) took 36993.17 ms. Allocated memory was 141.0 MB in the beginning and 598.2 MB in the end (delta: 457.2 MB). Free memory was 101.4 MB in the beginning and 510.9 MB in the end (delta: -409.5 MB). Peak memory consumption was 470.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:27,999 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:12:28,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.41 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 174.0 MB in the end (delta: -73.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:28,001 INFO L168 Benchmark]: Boogie Preprocessor took 94.70 ms. Allocated memory is still 204.5 MB. Free memory was 174.0 MB in the beginning and 170.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:28,007 INFO L168 Benchmark]: RCFGBuilder took 1253.58 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 170.0 MB in the beginning and 197.2 MB in the end (delta: -27.2 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:28,007 INFO L168 Benchmark]: TraceAbstraction took 34902.47 ms. Allocated memory was 234.4 MB in the beginning and 598.2 MB in the end (delta: 363.9 MB). Free memory was 197.2 MB in the beginning and 510.9 MB in the end (delta: -313.8 MB). Peak memory consumption was 473.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:28,019 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.41 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 174.0 MB in the end (delta: -73.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.70 ms. Allocated memory is still 204.5 MB. Free memory was 174.0 MB in the beginning and 170.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1253.58 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 170.0 MB in the beginning and 197.2 MB in the end (delta: -27.2 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34902.47 ms. Allocated memory was 234.4 MB in the beginning and 598.2 MB in the end (delta: 363.9 MB). Free memory was 197.2 MB in the beginning and 510.9 MB in the end (delta: -313.8 MB). Peak memory consumption was 473.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || ((2 == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 499 SDtfs, 717 SDslu, 319 SDs, 0 SdLazy, 1452 SolverSat, 435 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 132 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 256 PreInvPairs, 276 NumberOfFragments, 961 HoareAnnotationTreeSize, 256 FomulaSimplifications, 37166 FormulaSimplificationTreeSizeReduction, 9.7s HoareSimplificationTime, 49 FomulaSimplificationsInter, 8972 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 327 ConstructedInterpolants, 0 QuantifiedInterpolants, 93726 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...