/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_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:11:32,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:11:32,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:11:32,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:11:32,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:11:32,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:11:32,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:11:32,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:11:32,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:11:32,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:11:32,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:11:32,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:11:32,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:11:32,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:11:32,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:11:32,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:11:32,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:11:32,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:11:32,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:11:32,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:11:32,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:11:32,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:11:32,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:11:32,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:11:32,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:11:32,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:11:32,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:11:32,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:11:32,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:11:32,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:11:32,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:11:32,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:11:32,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:11:32,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:11:32,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:11:32,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:11:32,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:11:32,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:11:32,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:11:32,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:11:32,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:11:32,682 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 11:11:32,727 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:11:32,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:11:32,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:11:32,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:11:32,729 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:11:32,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:11:32,729 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:11:32,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:11:32,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:11:32,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:11:32,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:11:32,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:11:32,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:11:32,731 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:11:32,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:11:32,732 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:11:32,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:11:32,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:11:32,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:11:32,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:11:32,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:11:32,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:11:32,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:11:32,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:11:32,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:11:32,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:11:32,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:11:32,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:11:32,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:11:32,735 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 11:11:33,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:11:33,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:11:33,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:11:33,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:11:33,221 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:11:33,222 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2020-09-21 11:11:33,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fcae1ea7e/57d4352fcdb34c61b8f59b04d50f8c21/FLAG4f8090a2b [2020-09-21 11:11:33,929 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:11:33,930 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2020-09-21 11:11:33,955 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fcae1ea7e/57d4352fcdb34c61b8f59b04d50f8c21/FLAG4f8090a2b [2020-09-21 11:11:34,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fcae1ea7e/57d4352fcdb34c61b8f59b04d50f8c21 [2020-09-21 11:11:34,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:11:34,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:11:34,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:34,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:11:34,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:11:34,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34, skipping insertion in model container [2020-09-21 11:11:34,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:11:34,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:11:34,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:34,758 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:11:34,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:34,878 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:11:34,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34 WrapperNode [2020-09-21 11:11:34,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:34,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:11:34,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:11:34,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:11:34,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:11:34,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:11:34,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:11:34,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:11:34,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (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 11:11:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:11:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:11:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:11:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:11:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:11:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:11:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:11:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:11:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:11:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:11:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:11:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:11:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:11:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:11:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:11:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:11:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:11:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:11:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:11:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:11:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:11:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:11:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:11:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:11:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:11:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:11:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:11:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:11:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:11:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:11:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:11:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:11:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:11:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:11:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:11:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:11:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:11:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:11:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:11:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:11:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:11:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:11:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:11:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:11:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:11:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:11:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:11:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:11:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:11:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:11:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:11:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:11:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:11:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:11:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:11:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:11:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:11:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:11:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:11:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:11:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:11:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:11:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:11:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:11:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:11:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:11:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:11:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:11:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:11:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:11:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:11:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:11:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:11:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:11:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:11:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:11:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:11:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:11:36,077 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:11:36,077 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:11:36,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:36 BoogieIcfgContainer [2020-09-21 11:11:36,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:11:36,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:11:36,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:11:36,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:11:36,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:11:34" (1/3) ... [2020-09-21 11:11:36,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf402aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:36, skipping insertion in model container [2020-09-21 11:11:36,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (2/3) ... [2020-09-21 11:11:36,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf402aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:36, skipping insertion in model container [2020-09-21 11:11:36,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:36" (3/3) ... [2020-09-21 11:11:36,093 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2020-09-21 11:11:36,105 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:11:36,115 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:11:36,137 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:11:36,168 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:11:36,169 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:11:36,169 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:11:36,169 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:11:36,169 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:11:36,169 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:11:36,170 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:11:36,170 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:11:36,196 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-09-21 11:11:36,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:11:36,208 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:36,209 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 11:11:36,209 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:36,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:36,217 INFO L82 PathProgramCache]: Analyzing trace with hash 143568661, now seen corresponding path program 1 times [2020-09-21 11:11:36,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:36,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304695390] [2020-09-21 11:11:36,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:36,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:36,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:36,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:36,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:36,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:11:36,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:36,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:11:36,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:36,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:36,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:11:36,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:36,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,042 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:37,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:37,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:37,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:37,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:37,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:37,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:37,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:37,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:37,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:37,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:37,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:11:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:37,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:37,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:37,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:37,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:37,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:37,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,172 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 11:11:37,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1304695390] [2020-09-21 11:11:37,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:37,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:11:37,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258009009] [2020-09-21 11:11:37,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:11:37,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:37,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:11:37,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:37,206 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 3 states. [2020-09-21 11:11:38,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:38,253 INFO L93 Difference]: Finished difference Result 257 states and 340 transitions. [2020-09-21 11:11:38,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:11:38,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:11:38,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:38,272 INFO L225 Difference]: With dead ends: 257 [2020-09-21 11:11:38,272 INFO L226 Difference]: Without dead ends: 140 [2020-09-21 11:11:38,277 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 11:11:38,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-09-21 11:11:38,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 108. [2020-09-21 11:11:38,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-09-21 11:11:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2020-09-21 11:11:38,370 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2020-09-21 11:11:38,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:38,370 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2020-09-21 11:11:38,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:11:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2020-09-21 11:11:38,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:11:38,374 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:38,374 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 11:11:38,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:11:38,375 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:38,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:38,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1665995157, now seen corresponding path program 1 times [2020-09-21 11:11:38,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:38,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568617809] [2020-09-21 11:11:38,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:11:38,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:11:38,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:38,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:11:38,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:11:38,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,780 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:38,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:38,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:38,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:38,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:38,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:38,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:38,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:38,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:38,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:11:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:38,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:38,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:38,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,864 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 11:11:38,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568617809] [2020-09-21 11:11:38,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:38,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:38,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190416221] [2020-09-21 11:11:38,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:38,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:38,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:38,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:38,867 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 4 states. [2020-09-21 11:11:39,320 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:39,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:39,976 INFO L93 Difference]: Finished difference Result 184 states and 223 transitions. [2020-09-21 11:11:39,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:39,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:11:39,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:39,981 INFO L225 Difference]: With dead ends: 184 [2020-09-21 11:11:39,981 INFO L226 Difference]: Without dead ends: 124 [2020-09-21 11:11:39,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:39,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-09-21 11:11:40,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 99. [2020-09-21 11:11:40,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 11:11:40,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-09-21 11:11:40,016 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2020-09-21 11:11:40,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:40,017 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-09-21 11:11:40,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:40,017 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-09-21 11:11:40,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:11:40,019 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:40,019 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 11:11:40,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:11:40,019 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:40,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:40,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1977159256, now seen corresponding path program 1 times [2020-09-21 11:11:40,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:40,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186132321] [2020-09-21 11:11:40,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:40,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:40,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:40,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:40,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:40,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:11:40,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:40,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-09-21 11:11:40,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:11:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:40,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:11:40,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:40,819 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:40,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:40,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:40,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:40,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:40,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:40,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:40,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:40,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:11:40,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:40,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:40,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:40,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:40,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:40,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:40,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:40,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:40,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:40,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:40,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:40,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:40,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:40,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:40,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:40,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:40,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:40,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:40,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:40,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:40,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:40,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:40,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:40,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:40,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:40,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:40,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:40,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:40,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:40,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:40,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:40,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:40,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:40,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:40,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:40,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:40,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:40,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:40,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:40,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:40,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:40,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:40,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:40,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:40,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:40,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:11:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:40,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:40,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:40,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:40,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:40,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:40,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:40,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:40,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:40,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:40,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:11:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:40,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:40,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:40,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:40,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:40,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:40,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:40,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:40,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:40,971 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 11:11:40,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186132321] [2020-09-21 11:11:40,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:40,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:40,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541691925] [2020-09-21 11:11:40,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:40,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:40,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:40,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:40,974 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 4 states. [2020-09-21 11:11:41,270 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:42,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:42,499 INFO L93 Difference]: Finished difference Result 284 states and 350 transitions. [2020-09-21 11:11:42,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:42,500 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:11:42,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:42,504 INFO L225 Difference]: With dead ends: 284 [2020-09-21 11:11:42,504 INFO L226 Difference]: Without dead ends: 209 [2020-09-21 11:11:42,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 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 11:11:42,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-09-21 11:11:42,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 168. [2020-09-21 11:11:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-09-21 11:11:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 199 transitions. [2020-09-21 11:11:42,560 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 199 transitions. Word has length 51 [2020-09-21 11:11:42,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:42,561 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 199 transitions. [2020-09-21 11:11:42,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:42,561 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2020-09-21 11:11:42,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:11:42,563 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:42,563 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] [2020-09-21 11:11:42,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:11:42,564 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:42,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:42,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1061912152, now seen corresponding path program 1 times [2020-09-21 11:11:42,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:42,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [992875099] [2020-09-21 11:11:42,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:43,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:11:43,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 397 [2020-09-21 11:11:43,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:11:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:11:43,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,404 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:43,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:43,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 11:11:43,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:43,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:43,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:43,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:43,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:43,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:43,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:43,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:43,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:43,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:43,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:43,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:43,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:43,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:43,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:43,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:43,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:43,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:11:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:43,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:43,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:43,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:11:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:43,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:43,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:43,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:11:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:43,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:43,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:43,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:43,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:43,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,610 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 11:11:43,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [992875099] [2020-09-21 11:11:43,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:43,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:11:43,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900888541] [2020-09-21 11:11:43,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:11:43,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:43,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:11:43,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:11:43,613 INFO L87 Difference]: Start difference. First operand 168 states and 199 transitions. Second operand 8 states. [2020-09-21 11:11:44,052 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:45,232 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:45,616 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:45,940 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:46,228 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:46,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:47,000 INFO L93 Difference]: Finished difference Result 512 states and 670 transitions. [2020-09-21 11:11:47,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:11:47,001 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 11:11:47,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:47,006 INFO L225 Difference]: With dead ends: 512 [2020-09-21 11:11:47,007 INFO L226 Difference]: Without dead ends: 368 [2020-09-21 11:11:47,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:11:47,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-09-21 11:11:47,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 311. [2020-09-21 11:11:47,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-09-21 11:11:47,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 379 transitions. [2020-09-21 11:11:47,096 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 379 transitions. Word has length 57 [2020-09-21 11:11:47,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:47,097 INFO L479 AbstractCegarLoop]: Abstraction has 311 states and 379 transitions. [2020-09-21 11:11:47,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:11:47,097 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 379 transitions. [2020-09-21 11:11:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:11:47,100 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:47,100 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] [2020-09-21 11:11:47,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:11:47,101 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:47,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:47,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1238507602, now seen corresponding path program 1 times [2020-09-21 11:11:47,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:47,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [806446370] [2020-09-21 11:11:47,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:47,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:47,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:47,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:47,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:47,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:11:47,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:47,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-09-21 11:11:47,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:47,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:11:47,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:47,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:11:47,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:47,771 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:47,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:47,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:47,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:47,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:47,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:47,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:47,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:47,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:11:47,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:47,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:47,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:47,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:47,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:47,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:47,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:47,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:47,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:47,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:47,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:47,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:47,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:47,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:47,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:47,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:47,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:47,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:47,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:47,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:47,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:47,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:47,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:47,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:47,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:47,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:47,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:47,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:47,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:47,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:47,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:47,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:47,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:47,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:47,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:47,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:47,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:47,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:47,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:47,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:47,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:47,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:47,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:47,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:47,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:47,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:47,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:47,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:47,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:47,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:47,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:47,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:47,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:11:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:47,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:47,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:47,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:47,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:47,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:47,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:47,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:47,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:47,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:47,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:47,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:47,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:47,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:11:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:47,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:47,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:47,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:47,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:47,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:47,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:47,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:47,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:47,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:47,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:47,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:47,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:47,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:11:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:47,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:47,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:47,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:47,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:47,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:47,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:47,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:47,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:47,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:47,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:11:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:47,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:47,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:47,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:47,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:47,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:47,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:47,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:47,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:47,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:47,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:47,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:47,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:47,978 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 11:11:47,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [806446370] [2020-09-21 11:11:47,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:47,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:11:47,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546157810] [2020-09-21 11:11:47,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:11:47,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:47,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:11:47,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:11:47,982 INFO L87 Difference]: Start difference. First operand 311 states and 379 transitions. Second operand 6 states. [2020-09-21 11:11:48,389 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:49,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:49,273 INFO L93 Difference]: Finished difference Result 513 states and 653 transitions. [2020-09-21 11:11:49,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:11:49,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-09-21 11:11:49,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:49,276 INFO L225 Difference]: With dead ends: 513 [2020-09-21 11:11:49,276 INFO L226 Difference]: Without dead ends: 226 [2020-09-21 11:11:49,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:11:49,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-21 11:11:49,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 209. [2020-09-21 11:11:49,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-09-21 11:11:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2020-09-21 11:11:49,327 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 61 [2020-09-21 11:11:49,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:49,327 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2020-09-21 11:11:49,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:11:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2020-09-21 11:11:49,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:11:49,329 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:49,329 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] [2020-09-21 11:11:49,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:11:49,330 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:49,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:49,330 INFO L82 PathProgramCache]: Analyzing trace with hash 149986766, now seen corresponding path program 1 times [2020-09-21 11:11:49,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:49,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296574617] [2020-09-21 11:11:49,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:49,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:49,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:49,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:49,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:49,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:11:49,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:49,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-09-21 11:11:49,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:49,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:11:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:11:49,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:50,055 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:50,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:50,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:50,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:50,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:50,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:50,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:50,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:50,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:11:50,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:50,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:50,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:50,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:50,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:50,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:50,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:50,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:50,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:50,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:50,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:50,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:50,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:50,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:50,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:50,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:50,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:50,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:50,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:50,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:50,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:50,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:50,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:50,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:50,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:50,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:50,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:50,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:50,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:50,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:50,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:50,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:50,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:50,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:50,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:50,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:50,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:50,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:50,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:50,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:50,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:50,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:50,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:50,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:50,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:50,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:50,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:50,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:50,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:50,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:50,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:50,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:50,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:50,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:50,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:50,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:50,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:50,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:50,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:50,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:50,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:50,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:50,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:11:50,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:50,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:50,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:11:50,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:11:50,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:50,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:11:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:50,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:50,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:50,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:50,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:50,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:50,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:50,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:50,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:50,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:50,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:11:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:50,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:50,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:50,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:50,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:50,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:50,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:50,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:50,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:50,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:50,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:50,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:50,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:50,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:11:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:50,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:50,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:50,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:50,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:50,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:50,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:50,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:50,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:50,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:50,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:50,297 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 11:11:50,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296574617] [2020-09-21 11:11:50,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:50,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:11:50,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37951985] [2020-09-21 11:11:50,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:11:50,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:50,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:11:50,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:11:50,300 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 11 states. [2020-09-21 11:11:50,813 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:51,557 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:52,270 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:52,655 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:52,996 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:53,371 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:53,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:53,822 INFO L93 Difference]: Finished difference Result 313 states and 371 transitions. [2020-09-21 11:11:53,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:11:53,823 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-09-21 11:11:53,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:53,824 INFO L225 Difference]: With dead ends: 313 [2020-09-21 11:11:53,825 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:11:53,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-09-21 11:11:53,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:11:53,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:11:53,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:11:53,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:11:53,827 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-09-21 11:11:53,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:53,827 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:11:53,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:11:53,828 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:11:53,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:11:53,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:11:53,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:11:54,046 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:54,211 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:54,374 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:54,535 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:54,703 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:55,081 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 139 [2020-09-21 11:11:55,338 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 11:11:55,681 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:55,963 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:11:56,231 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:11:56,385 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:56,551 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:56,898 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 139 [2020-09-21 11:11:57,053 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:57,207 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:57,361 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:57,512 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:57,660 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:57,817 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:58,137 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 141 [2020-09-21 11:11:58,288 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:58,443 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:58,597 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:58,751 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:58,902 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:59,056 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:59,209 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:59,363 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:59,517 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:59,672 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:59,839 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:00,011 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:00,160 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:00,313 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:00,465 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:00,628 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:00,782 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:00,935 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:01,089 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:01,237 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:01,385 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:01,538 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:01,703 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:01,860 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:02,013 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:02,164 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:02,312 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:02,481 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:02,799 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:12:03,117 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:03,441 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:03,591 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:03,912 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 141 [2020-09-21 11:12:04,069 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:04,226 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:04,382 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:04,532 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:04,690 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:04,844 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:04,997 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:05,151 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:05,299 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:05,452 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:05,605 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:05,762 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:05,923 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:06,316 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 203 [2020-09-21 11:12:06,634 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:12:06,949 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:12:07,267 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:12:07,582 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:12:07,899 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:12:08,497 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-21 11:12:08,712 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:09,389 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 21 [2020-09-21 11:12:09,692 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:09,889 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:12:10,163 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:10,850 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2020-09-21 11:12:11,057 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:12:11,682 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2020-09-21 11:12:11,962 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:12,577 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-09-21 11:12:12,816 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:13,023 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:12:13,659 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 21 [2020-09-21 11:12:13,969 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:14,125 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:12:14,723 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-21 11:12:14,943 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:15,164 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:15,385 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:15,566 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-09-21 11:12:16,184 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2020-09-21 11:12:16,190 INFO L268 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-09-21 11:12:16,190 INFO L268 CegarLoopResult]: For program point L415-1(lines 415 419) no Hoare annotation was computed. [2020-09-21 11:12:16,190 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-21 11:12:16,191 INFO L268 CegarLoopResult]: For program point L409-2(lines 409 430) no Hoare annotation was computed. [2020-09-21 11:12:16,191 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 384 439) no Hoare annotation was computed. [2020-09-21 11:12:16,191 INFO L268 CegarLoopResult]: For program point L431(lines 408 432) no Hoare annotation was computed. [2020-09-21 11:12:16,191 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 384 439) no Hoare annotation was computed. [2020-09-21 11:12:16,191 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 384 439) no Hoare annotation was computed. [2020-09-21 11:12:16,192 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-09-21 11:12:16,192 INFO L268 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-09-21 11:12:16,192 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 440 499) no Hoare annotation was computed. [2020-09-21 11:12:16,192 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 11:12:16,192 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 491) no Hoare annotation was computed. [2020-09-21 11:12:16,192 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 440 499) no Hoare annotation was computed. [2020-09-21 11:12:16,192 INFO L268 CegarLoopResult]: For program point L492(lines 465 493) no Hoare annotation was computed. [2020-09-21 11:12:16,193 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 440 499) no Hoare annotation was computed. [2020-09-21 11:12:16,193 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 11:12:16,193 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-09-21 11:12:16,193 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-09-21 11:12:16,193 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-09-21 11:12:16,193 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-09-21 11:12:16,193 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-09-21 11:12:16,194 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-09-21 11:12:16,194 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 875 899) the Hoare annotation is: true [2020-09-21 11:12:16,194 INFO L264 CegarLoopResult]: At program point L889(line 889) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:12:16,194 INFO L268 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-09-21 11:12:16,194 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:12:16,194 INFO L268 CegarLoopResult]: For program point L885-1(line 885) no Hoare annotation was computed. [2020-09-21 11:12:16,195 INFO L268 CegarLoopResult]: For program point L883(lines 883 896) no Hoare annotation was computed. [2020-09-21 11:12:16,195 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 875 899) no Hoare annotation was computed. [2020-09-21 11:12:16,195 INFO L268 CegarLoopResult]: For program point L883-1(lines 875 899) no Hoare annotation was computed. [2020-09-21 11:12:16,195 INFO L271 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: true [2020-09-21 11:12:16,195 INFO L268 CegarLoopResult]: For program point L881-1(line 881) no Hoare annotation was computed. [2020-09-21 11:12:16,195 INFO L264 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:16,196 INFO L264 CegarLoopResult]: At program point L863-1(line 863) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:16,196 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 851 873) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:16,196 INFO L268 CegarLoopResult]: For program point L861(lines 861 868) no Hoare annotation was computed. [2020-09-21 11:12:16,196 INFO L268 CegarLoopResult]: For program point L861-1(lines 861 868) no Hoare annotation was computed. [2020-09-21 11:12:16,196 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-09-21 11:12:16,196 INFO L264 CegarLoopResult]: At program point L858(line 858) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:16,197 INFO L264 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:16,197 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 851 873) no Hoare annotation was computed. [2020-09-21 11:12:16,197 INFO L264 CegarLoopResult]: At program point L857-1(line 857) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:16,197 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 851 873) no Hoare annotation was computed. [2020-09-21 11:12:16,197 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 810 833) no Hoare annotation was computed. [2020-09-21 11:12:16,197 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 810 833) no Hoare annotation was computed. [2020-09-21 11:12:16,197 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-09-21 11:12:16,198 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 810 833) no Hoare annotation was computed. [2020-09-21 11:12:16,198 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-09-21 11:12:16,198 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-09-21 11:12:16,198 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-09-21 11:12:16,198 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-09-21 11:12:16,198 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-09-21 11:12:16,198 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-09-21 11:12:16,198 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-09-21 11:12:16,199 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-09-21 11:12:16,199 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-09-21 11:12:16,199 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-09-21 11:12:16,199 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-09-21 11:12:16,199 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-09-21 11:12:16,199 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-09-21 11:12:16,199 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 194 200) no Hoare annotation was computed. [2020-09-21 11:12:16,200 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 194 200) the Hoare annotation is: true [2020-09-21 11:12:16,200 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 316 330) no Hoare annotation was computed. [2020-09-21 11:12:16,200 INFO L268 CegarLoopResult]: For program point L320(lines 320 326) no Hoare annotation was computed. [2020-09-21 11:12:16,200 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 316 330) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2020-09-21 11:12:16,200 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 316 330) no Hoare annotation was computed. [2020-09-21 11:12:16,200 INFO L264 CegarLoopResult]: At program point L322(line 322) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:12:16,200 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 227 234) no Hoare annotation was computed. [2020-09-21 11:12:16,200 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 227 234) no Hoare annotation was computed. [2020-09-21 11:12:16,201 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 227 234) no Hoare annotation was computed. [2020-09-21 11:12:16,201 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 271 279) no Hoare annotation was computed. [2020-09-21 11:12:16,201 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 271 279) the Hoare annotation is: true [2020-09-21 11:12:16,201 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 271 279) no Hoare annotation was computed. [2020-09-21 11:12:16,201 INFO L268 CegarLoopResult]: For program point L287(lines 287 295) no Hoare annotation was computed. [2020-09-21 11:12:16,201 INFO L268 CegarLoopResult]: For program point L287-2(lines 287 295) no Hoare annotation was computed. [2020-09-21 11:12:16,201 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-09-21 11:12:16,201 INFO L268 CegarLoopResult]: For program point L310-1(line 310) no Hoare annotation was computed. [2020-09-21 11:12:16,201 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 280 315) no Hoare annotation was computed. [2020-09-21 11:12:16,202 INFO L268 CegarLoopResult]: For program point L299(lines 299 307) no Hoare annotation was computed. [2020-09-21 11:12:16,202 INFO L268 CegarLoopResult]: For program point L299-2(lines 299 307) no Hoare annotation was computed. [2020-09-21 11:12:16,202 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 280 315) no Hoare annotation was computed. [2020-09-21 11:12:16,202 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 280 315) no Hoare annotation was computed. [2020-09-21 11:12:16,202 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-09-21 11:12:16,202 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-09-21 11:12:16,202 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 338 383) no Hoare annotation was computed. [2020-09-21 11:12:16,202 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 338 383) no Hoare annotation was computed. [2020-09-21 11:12:16,203 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 338 383) no Hoare annotation was computed. [2020-09-21 11:12:16,203 INFO L268 CegarLoopResult]: For program point L671(lines 671 678) no Hoare annotation was computed. [2020-09-21 11:12:16,203 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 651 696) no Hoare annotation was computed. [2020-09-21 11:12:16,203 INFO L268 CegarLoopResult]: For program point L665(lines 665 685) no Hoare annotation was computed. [2020-09-21 11:12:16,203 INFO L268 CegarLoopResult]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2020-09-21 11:12:16,203 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 651 696) no Hoare annotation was computed. [2020-09-21 11:12:16,203 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 651 696) no Hoare annotation was computed. [2020-09-21 11:12:16,203 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 841 850) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:16,203 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 841 850) no Hoare annotation was computed. [2020-09-21 11:12:16,204 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 841 850) no Hoare annotation was computed. [2020-09-21 11:12:16,204 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 260 270) the Hoare annotation is: true [2020-09-21 11:12:16,204 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 260 270) no Hoare annotation was computed. [2020-09-21 11:12:16,204 INFO L271 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: true [2020-09-21 11:12:16,204 INFO L268 CegarLoopResult]: For program point L265-1(line 265) no Hoare annotation was computed. [2020-09-21 11:12:16,204 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 260 270) no Hoare annotation was computed. [2020-09-21 11:12:16,204 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 252 259) the Hoare annotation is: true [2020-09-21 11:12:16,204 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 252 259) no Hoare annotation was computed. [2020-09-21 11:12:16,205 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 252 259) no Hoare annotation was computed. [2020-09-21 11:12:16,205 INFO L264 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-09-21 11:12:16,205 INFO L268 CegarLoopResult]: For program point L221-1(lines 202 226) no Hoare annotation was computed. [2020-09-21 11:12:16,205 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:12:16,205 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 202 226) no Hoare annotation was computed. [2020-09-21 11:12:16,205 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:12:16,205 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 202 226) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-09-21 11:12:16,206 INFO L268 CegarLoopResult]: For program point L210(lines 210 218) no Hoare annotation was computed. [2020-09-21 11:12:16,206 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:12:16,206 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-09-21 11:12:16,206 INFO L268 CegarLoopResult]: For program point L206(lines 206 223) no Hoare annotation was computed. [2020-09-21 11:12:16,206 INFO L264 CegarLoopResult]: At program point testENTRY(lines 92 157) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:16,206 INFO L264 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:16,206 INFO L268 CegarLoopResult]: For program point L122(lines 122 128) no Hoare annotation was computed. [2020-09-21 11:12:16,207 INFO L268 CegarLoopResult]: For program point L122-1(lines 122 128) no Hoare annotation was computed. [2020-09-21 11:12:16,207 INFO L268 CegarLoopResult]: For program point testFINAL(lines 92 157) no Hoare annotation was computed. [2020-09-21 11:12:16,207 INFO L264 CegarLoopResult]: At program point L147(lines 102 149) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:16,207 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:16,207 INFO L268 CegarLoopResult]: For program point L112(lines 112 118) no Hoare annotation was computed. [2020-09-21 11:12:16,207 INFO L268 CegarLoopResult]: For program point L112-1(lines 112 118) no Hoare annotation was computed. [2020-09-21 11:12:16,207 INFO L268 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-09-21 11:12:16,207 INFO L264 CegarLoopResult]: At program point L150(lines 101 151) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:12:16,208 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:16,208 INFO L268 CegarLoopResult]: For program point L138(lines 138 144) no Hoare annotation was computed. [2020-09-21 11:12:16,208 INFO L264 CegarLoopResult]: At program point L138-1(lines 132 145) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:16,208 INFO L268 CegarLoopResult]: For program point L103(lines 102 149) no Hoare annotation was computed. [2020-09-21 11:12:16,208 INFO L268 CegarLoopResult]: For program point L132(lines 132 145) no Hoare annotation was computed. [2020-09-21 11:12:16,208 INFO L268 CegarLoopResult]: For program point testEXIT(lines 92 157) no Hoare annotation was computed. [2020-09-21 11:12:16,208 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 605 650) no Hoare annotation was computed. [2020-09-21 11:12:16,208 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 605 650) no Hoare annotation was computed. [2020-09-21 11:12:16,209 INFO L268 CegarLoopResult]: For program point L625(lines 625 632) no Hoare annotation was computed. [2020-09-21 11:12:16,209 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 605 650) no Hoare annotation was computed. [2020-09-21 11:12:16,209 INFO L268 CegarLoopResult]: For program point L619(lines 619 639) no Hoare annotation was computed. [2020-09-21 11:12:16,209 INFO L268 CegarLoopResult]: For program point L619-1(lines 619 639) no Hoare annotation was computed. [2020-09-21 11:12:16,209 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2020-09-21 11:12:16,209 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 746 768) no Hoare annotation was computed. [2020-09-21 11:12:16,209 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 746 768) no Hoare annotation was computed. [2020-09-21 11:12:16,209 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 746 768) no Hoare annotation was computed. [2020-09-21 11:12:16,210 INFO L268 CegarLoopResult]: For program point L754(lines 754 762) no Hoare annotation was computed. [2020-09-21 11:12:16,210 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:12:16,210 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:12:16,210 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:12:16,210 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 502 604) no Hoare annotation was computed. [2020-09-21 11:12:16,210 INFO L268 CegarLoopResult]: For program point L572(lines 550 573) no Hoare annotation was computed. [2020-09-21 11:12:16,210 INFO L268 CegarLoopResult]: For program point L531(lines 531 547) no Hoare annotation was computed. [2020-09-21 11:12:16,210 INFO L268 CegarLoopResult]: For program point L591(lines 591 598) no Hoare annotation was computed. [2020-09-21 11:12:16,210 INFO L268 CegarLoopResult]: For program point L552(lines 551 571) no Hoare annotation was computed. [2020-09-21 11:12:16,211 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 11:12:16,211 INFO L268 CegarLoopResult]: For program point L583-1(line 583) no Hoare annotation was computed. [2020-09-21 11:12:16,211 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 502 604) no Hoare annotation was computed. [2020-09-21 11:12:16,211 INFO L268 CegarLoopResult]: For program point L548(lines 548 589) no Hoare annotation was computed. [2020-09-21 11:12:16,211 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-09-21 11:12:16,211 INFO L268 CegarLoopResult]: For program point L567-1(line 567) no Hoare annotation was computed. [2020-09-21 11:12:16,211 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 502 604) no Hoare annotation was computed. [2020-09-21 11:12:16,211 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-09-21 11:12:16,211 INFO L268 CegarLoopResult]: For program point L590(lines 590 601) no Hoare annotation was computed. [2020-09-21 11:12:16,212 INFO L268 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-09-21 11:12:16,212 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 571) no Hoare annotation was computed. [2020-09-21 11:12:16,212 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:16,212 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:12:16,212 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:16,212 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-09-21 11:12:16,212 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-09-21 11:12:16,213 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 235 251) no Hoare annotation was computed. [2020-09-21 11:12:16,213 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 235 251) no Hoare annotation was computed. [2020-09-21 11:12:16,213 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-09-21 11:12:16,213 INFO L268 CegarLoopResult]: For program point L246-1(lines 235 251) no Hoare annotation was computed. [2020-09-21 11:12:16,213 INFO L268 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2020-09-21 11:12:16,213 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 769 777) the Hoare annotation is: true [2020-09-21 11:12:16,213 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 769 777) no Hoare annotation was computed. [2020-09-21 11:12:16,213 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 769 777) no Hoare annotation was computed. [2020-09-21 11:12:16,214 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 725 736) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2020-09-21 11:12:16,214 INFO L268 CegarLoopResult]: For program point L729-1(lines 725 736) no Hoare annotation was computed. [2020-09-21 11:12:16,214 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 725 736) no Hoare annotation was computed. [2020-09-21 11:12:16,214 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:16,214 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:12:16,214 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:16,214 INFO L264 CegarLoopResult]: At program point L183(line 183) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 2)) .cse0 (and (= 2 ~waterLevel~0) .cse1)) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2020-09-21 11:12:16,215 INFO L264 CegarLoopResult]: At program point L181(lines 181 187) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 2)) .cse0 (and (= 2 ~waterLevel~0) .cse1)) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2020-09-21 11:12:16,215 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (= |old(~waterLevel~0)| 2)) .cse0))) [2020-09-21 11:12:16,215 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 170 193) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 2)) .cse0 (and (= 2 ~waterLevel~0) .cse1)) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2020-09-21 11:12:16,215 INFO L268 CegarLoopResult]: For program point L174(lines 173 192) no Hoare annotation was computed. [2020-09-21 11:12:16,215 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 170 193) no Hoare annotation was computed. [2020-09-21 11:12:16,215 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 170 193) no Hoare annotation was computed. [2020-09-21 11:12:16,215 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-09-21 11:12:16,215 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 780 809) no Hoare annotation was computed. [2020-09-21 11:12:16,216 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 780 809) the Hoare annotation is: true [2020-09-21 11:12:16,216 INFO L268 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-09-21 11:12:16,216 INFO L271 CegarLoopResult]: At program point L794-1(lines 794 798) the Hoare annotation is: true [2020-09-21 11:12:16,216 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-09-21 11:12:16,216 INFO L271 CegarLoopResult]: At program point L790-2(lines 790 804) the Hoare annotation is: true [2020-09-21 11:12:16,216 INFO L271 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: true [2020-09-21 11:12:16,216 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-09-21 11:12:16,216 INFO L271 CegarLoopResult]: At program point L805(lines 780 809) the Hoare annotation is: true [2020-09-21 11:12:16,217 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 737 745) the Hoare annotation is: true [2020-09-21 11:12:16,217 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 737 745) no Hoare annotation was computed. [2020-09-21 11:12:16,217 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 737 745) no Hoare annotation was computed. [2020-09-21 11:12:16,217 INFO L268 CegarLoopResult]: For program point L705-1(lines 701 712) no Hoare annotation was computed. [2020-09-21 11:12:16,217 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 701 712) the Hoare annotation is: true [2020-09-21 11:12:16,217 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 701 712) no Hoare annotation was computed. [2020-09-21 11:12:16,217 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 834 840) no Hoare annotation was computed. [2020-09-21 11:12:16,217 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 834 840) the Hoare annotation is: true [2020-09-21 11:12:16,218 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:16,218 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 11:12:16,218 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:12:16,218 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:16,218 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 713 724) no Hoare annotation was computed. [2020-09-21 11:12:16,218 INFO L268 CegarLoopResult]: For program point L717-1(lines 713 724) no Hoare annotation was computed. [2020-09-21 11:12:16,218 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 713 724) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2))) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0))) [2020-09-21 11:12:16,219 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-09-21 11:12:16,219 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-09-21 11:12:16,219 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-09-21 11:12:16,219 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-09-21 11:12:16,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:12:16 BoogieIcfgContainer [2020-09-21 11:12:16,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:12:16,242 INFO L168 Benchmark]: Toolchain (without parser) took 42066.68 ms. Allocated memory was 147.3 MB in the beginning and 608.2 MB in the end (delta: 460.8 MB). Free memory was 101.4 MB in the beginning and 469.1 MB in the end (delta: -367.7 MB). Peak memory consumption was 454.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:16,242 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:12:16,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.02 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.0 MB in the beginning and 174.7 MB in the end (delta: -73.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:16,244 INFO L168 Benchmark]: Boogie Preprocessor took 99.40 ms. Allocated memory is still 204.5 MB. Free memory was 174.7 MB in the beginning and 170.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:16,244 INFO L168 Benchmark]: RCFGBuilder took 1101.40 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 170.0 MB in the beginning and 202.6 MB in the end (delta: -32.6 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:16,245 INFO L168 Benchmark]: TraceAbstraction took 40155.41 ms. Allocated memory was 237.5 MB in the beginning and 608.2 MB in the end (delta: 370.7 MB). Free memory was 202.6 MB in the beginning and 469.1 MB in the end (delta: -266.5 MB). Peak memory consumption was 465.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:16,248 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.02 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.0 MB in the beginning and 174.7 MB in the end (delta: -73.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.40 ms. Allocated memory is still 204.5 MB. Free memory was 174.7 MB in the beginning and 170.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1101.40 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 170.0 MB in the beginning and 202.6 MB in the end (delta: -32.6 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40155.41 ms. Allocated memory was 237.5 MB in the beginning and 608.2 MB in the end (delta: 370.7 MB). Free memory was 202.6 MB in the beginning and 469.1 MB in the end (delta: -266.5 MB). Peak memory consumption was 465.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 101]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || ((2 == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 22.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 557 SDtfs, 821 SDslu, 434 SDs, 0 SdLazy, 1747 SolverSat, 547 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=311occurred 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, 172 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 425 PreInvPairs, 462 NumberOfFragments, 966 HoareAnnotationTreeSize, 425 FomulaSimplifications, 58144 FormulaSimplificationTreeSizeReduction, 14.0s HoareSimplificationTime, 52 FomulaSimplificationsInter, 12445 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 323 NumberOfCodeBlocks, 323 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 317 ConstructedInterpolants, 0 QuantifiedInterpolants, 91324 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...