/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_spec5_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:14:57,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:14:57,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:14:57,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:14:57,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:14:57,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:14:57,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:14:57,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:14:57,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:14:57,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:14:57,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:14:57,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:14:57,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:14:57,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:14:57,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:14:57,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:14:57,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:14:57,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:14:57,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:14:57,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:14:57,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:14:57,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:14:57,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:14:57,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:14:57,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:14:57,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:14:57,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:14:57,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:14:57,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:14:57,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:14:57,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:14:57,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:14:57,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:14:57,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:14:57,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:14:57,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:14:57,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:14:57,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:14:57,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:14:57,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:14:57,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:14:57,787 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 11:14:57,838 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:14:57,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:14:57,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:14:57,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:14:57,840 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:14:57,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:14:57,841 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:14:57,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:14:57,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:14:57,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:14:57,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:14:57,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:14:57,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:14:57,844 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:14:57,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:14:57,845 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:14:57,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:14:57,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:14:57,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:14:57,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:14:57,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:14:57,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:14:57,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:14:57,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:14:57,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:14:57,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:14:57,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:14:57,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:14:57,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:14:57,848 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 11:14:58,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:14:58,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:14:58,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:14:58,326 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:14:58,326 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:14:58,327 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2020-09-21 11:14:58,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e3a43865/b72095b653bc4923b9a42e2e87074d16/FLAGfe8541317 [2020-09-21 11:14:59,022 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:14:59,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2020-09-21 11:14:59,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e3a43865/b72095b653bc4923b9a42e2e87074d16/FLAGfe8541317 [2020-09-21 11:14:59,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e3a43865/b72095b653bc4923b9a42e2e87074d16 [2020-09-21 11:14:59,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:14:59,313 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:14:59,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:14:59,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:14:59,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:14:59,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:59" (1/1) ... [2020-09-21 11:14:59,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4207e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:14:59, skipping insertion in model container [2020-09-21 11:14:59,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:14:59" (1/1) ... [2020-09-21 11:14:59,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:14:59,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:14:59,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:14:59,892 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:15:00,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:00,053 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:15:00,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:00 WrapperNode [2020-09-21 11:15:00,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:00,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:15:00,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:15:00,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:15:00,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:00" (1/1) ... [2020-09-21 11:15:00,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:00" (1/1) ... [2020-09-21 11:15:00,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:00" (1/1) ... [2020-09-21 11:15:00,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:00" (1/1) ... [2020-09-21 11:15:00,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:00" (1/1) ... [2020-09-21 11:15:00,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:00" (1/1) ... [2020-09-21 11:15:00,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:00" (1/1) ... [2020-09-21 11:15:00,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:15:00,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:15:00,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:15:00,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:15:00,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:00" (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 11:15:00,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:15:00,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:15:00,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:00,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:00,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:00,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:00,263 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:15:00,263 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:15:00,263 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:15:00,263 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:15:00,263 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:15:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:15:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:15:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:15:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:15:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:15:00,265 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:15:00,265 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:15:00,265 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:15:00,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:15:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:15:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:15:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:15:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:15:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:15:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:15:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:15:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:15:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:15:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:15:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:15:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:15:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:15:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:15:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:15:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:15:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:15:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:15:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:15:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:15:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:15:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:15:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:15:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:15:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:15:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:15:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:15:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:15:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:15:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:15:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:15:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:15:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:15:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:15:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:15:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:15:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:15:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:15:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:15:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:15:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:15:00,274 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:15:00,274 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:15:00,274 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:15:00,274 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:15:00,274 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:15:00,274 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:15:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:15:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:15:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:15:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:15:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:15:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:15:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:15:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:15:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:15:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:15:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:15:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:15:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:15:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:15:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:15:01,381 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:15:01,381 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:15:01,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:01 BoogieIcfgContainer [2020-09-21 11:15:01,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:15:01,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:15:01,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:15:01,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:15:01,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:14:59" (1/3) ... [2020-09-21 11:15:01,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665e2ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:01, skipping insertion in model container [2020-09-21 11:15:01,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:00" (2/3) ... [2020-09-21 11:15:01,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665e2ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:01, skipping insertion in model container [2020-09-21 11:15:01,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:01" (3/3) ... [2020-09-21 11:15:01,403 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2020-09-21 11:15:01,416 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:15:01,428 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:15:01,452 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:15:01,492 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:15:01,492 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:15:01,492 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:15:01,493 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:15:01,493 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:15:01,493 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:15:01,493 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:15:01,493 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:15:01,526 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-09-21 11:15:01,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:15:01,543 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:01,545 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:01,545 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:01,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:01,554 INFO L82 PathProgramCache]: Analyzing trace with hash -347827160, now seen corresponding path program 1 times [2020-09-21 11:15:01,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:01,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975572412] [2020-09-21 11:15:01,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:01,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:01,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:01,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:01,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:01,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:15:01,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:01,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:15:01,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:01,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:01,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:15:01,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:01,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:02,404 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:02,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:02,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:02,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:02,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:02,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:02,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:02,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:02,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:02,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:02,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:02,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:02,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:02,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:15:02,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:02,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:02,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:02,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:02,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:02,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:02,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:02,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:02,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:02,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:02,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:15:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:02,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:02,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:02,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:02,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:02,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:02,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:02,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:02,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:15:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:02,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:02,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:02,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:02,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:02,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:02,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:02,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:02,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:02,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:02,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:15:02,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:02,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:02,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:02,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:02,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:02,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:02,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975572412] [2020-09-21 11:15:02,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:02,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:15:02,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181670416] [2020-09-21 11:15:02,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:15:02,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:02,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:15:02,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:02,740 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 4 states. [2020-09-21 11:15:03,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:03,757 INFO L93 Difference]: Finished difference Result 236 states and 309 transitions. [2020-09-21 11:15:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:15:03,759 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:15:03,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:03,778 INFO L225 Difference]: With dead ends: 236 [2020-09-21 11:15:03,778 INFO L226 Difference]: Without dead ends: 133 [2020-09-21 11:15:03,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:03,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-09-21 11:15:03,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 104. [2020-09-21 11:15:03,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 11:15:03,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2020-09-21 11:15:03,880 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 59 [2020-09-21 11:15:03,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:03,880 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2020-09-21 11:15:03,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:15:03,881 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2020-09-21 11:15:03,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:15:03,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:03,885 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:03,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:15:03,886 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:03,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:03,887 INFO L82 PathProgramCache]: Analyzing trace with hash -445277406, now seen corresponding path program 1 times [2020-09-21 11:15:03,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:03,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1150678759] [2020-09-21 11:15:03,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:03,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:03,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:03,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:03,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:03,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:15:03,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:03,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:15:03,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:15:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:03,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,276 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:04,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:04,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:04,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:04,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:04,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:04,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:04,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:04,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:04,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:04,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:04,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:04,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:04,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:15:04,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:04,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:04,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:04,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:04,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:04,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:15:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:04,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:04,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:04,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:04,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:04,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:04,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:15:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:04,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:04,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:15:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:04,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:04,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:04,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:04,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:04,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:04,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:04,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:04,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:04,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:04,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:04,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:04,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:04,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:04,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1150678759] [2020-09-21 11:15:04,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:04,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:04,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831532760] [2020-09-21 11:15:04,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:04,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:04,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:04,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:04,425 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 5 states. [2020-09-21 11:15:04,932 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:15:05,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:05,606 INFO L93 Difference]: Finished difference Result 168 states and 207 transitions. [2020-09-21 11:15:05,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:05,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:15:05,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:05,610 INFO L225 Difference]: With dead ends: 168 [2020-09-21 11:15:05,610 INFO L226 Difference]: Without dead ends: 123 [2020-09-21 11:15:05,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:15:05,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-21 11:15:05,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2020-09-21 11:15:05,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 11:15:05,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-09-21 11:15:05,644 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 60 [2020-09-21 11:15:05,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:05,644 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-09-21 11:15:05,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:05,644 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-09-21 11:15:05,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:15:05,647 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:05,647 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:05,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:15:05,647 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:05,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:05,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1419491684, now seen corresponding path program 1 times [2020-09-21 11:15:05,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:05,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62727638] [2020-09-21 11:15:05,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:15:06,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:15:06,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 475 [2020-09-21 11:15:06,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:15:06,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:06,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:15:06,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,520 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:06,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:06,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 11:15:06,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:06,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:06,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:06,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:06,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:06,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:06,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:06,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:06,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:06,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:06,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:06,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:06,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:06,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:06,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:06,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:06,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:06,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:15:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:06,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:06,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:06,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:06,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:06,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:06,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:06,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:06,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:06,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:15:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:06,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:06,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:06,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:06,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:06,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:06,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:06,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:15:06,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:06,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:06,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:06,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62727638] [2020-09-21 11:15:06,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:06,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:06,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382533203] [2020-09-21 11:15:06,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:06,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:06,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:06,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:06,769 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 5 states. [2020-09-21 11:15:07,143 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:08,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:08,433 INFO L93 Difference]: Finished difference Result 261 states and 322 transitions. [2020-09-21 11:15:08,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:08,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-09-21 11:15:08,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:08,437 INFO L225 Difference]: With dead ends: 261 [2020-09-21 11:15:08,438 INFO L226 Difference]: Without dead ends: 194 [2020-09-21 11:15:08,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:15:08,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-09-21 11:15:08,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 146. [2020-09-21 11:15:08,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-09-21 11:15:08,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2020-09-21 11:15:08,482 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 65 [2020-09-21 11:15:08,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:08,483 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2020-09-21 11:15:08,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:08,483 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2020-09-21 11:15:08,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-21 11:15:08,485 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:08,485 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:08,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:15:08,486 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:08,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:08,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1359348090, now seen corresponding path program 1 times [2020-09-21 11:15:08,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:08,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138943780] [2020-09-21 11:15:08,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:08,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:08,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:08,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:08,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:08,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-21 11:15:08,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:08,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-09-21 11:15:08,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:08,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:15:08,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:08,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-21 11:15:08,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:09,182 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:09,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:09,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:09,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:09,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:09,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:09,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:09,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:09,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:15:09,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:09,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:09,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:09,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:09,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:09,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:09,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:09,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:09,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:09,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:09,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:09,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:09,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:09,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:09,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:09,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:09,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:09,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:09,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:09,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:09,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:09,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:09,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:09,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:09,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:09,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:09,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:09,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:09,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:09,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:09,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:09,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:09,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:09,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:09,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:09,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:09,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:09,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:09,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:09,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:09,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:09,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:09,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:09,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:09,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:09,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:09,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:09,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:09,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:09,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:09,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:09,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:09,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:09,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:09,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:09,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:09,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:09,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:09,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:09,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:09,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:09,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:09,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:09,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:15:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:09,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:09,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:09,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:09,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:09,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:09,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:09,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:09,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:09,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:09,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:09,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:09,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:09,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:09,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:09,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:09,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:09,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:09,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:09,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:09,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:09,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:09,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:09,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:15:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:09,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:09,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:09,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:09,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:09,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:09,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:09,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:09,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:09,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:09,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:09,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:09,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:09,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:15:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:09,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:09,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:09,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:09,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:09,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:09,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:09,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:09,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:09,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:09,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 11:15:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:09,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:09,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:09,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:09,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:09,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:09,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:09,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:09,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:09,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:15:09,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:09,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:09,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:09,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:15:09,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2138943780] [2020-09-21 11:15:09,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:09,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:15:09,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843124040] [2020-09-21 11:15:09,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:15:09,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:09,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:15:09,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:15:09,369 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 8 states. [2020-09-21 11:15:09,844 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:10,641 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:11,312 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:11,609 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:11,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:11,685 INFO L93 Difference]: Finished difference Result 279 states and 354 transitions. [2020-09-21 11:15:11,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:15:11,686 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 68 [2020-09-21 11:15:11,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:11,687 INFO L225 Difference]: With dead ends: 279 [2020-09-21 11:15:11,687 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:15:11,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:15:11,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:15:11,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:15:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:15:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:15:11,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-09-21 11:15:11,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:11,692 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:15:11,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:15:11,692 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:15:11,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:15:11,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:15:11,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:15:11,876 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:12,005 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-21 11:15:12,172 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:12,341 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:12,499 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:12,659 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:12,781 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-21 11:15:12,951 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:13,305 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:15:13,658 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:15:14,039 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:15:14,190 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:14,357 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:14,512 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:14,675 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:14,832 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:14,998 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,163 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:15,320 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,475 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,627 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:15,782 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:15,937 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:16,088 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:16,263 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:16,418 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:16,576 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:16,725 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:16,885 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:17,039 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:17,192 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:17,345 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:17,494 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:17,647 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:17,796 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:17,953 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:18,061 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-21 11:15:18,217 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:18,375 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:18,485 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 6 [2020-09-21 11:15:18,641 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:18,792 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:18,945 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:19,098 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:19,248 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:19,400 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:19,564 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:19,723 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:19,875 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:19,980 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-21 11:15:20,301 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:15:20,620 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:15:20,939 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:15:21,040 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 6 [2020-09-21 11:15:21,276 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:21,542 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:21,750 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:21,958 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:22,152 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 11:15:22,420 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:22,856 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-21 11:15:23,094 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:23,321 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:23,723 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:15:23,935 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:24,356 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:15:24,793 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 11:15:25,023 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:25,240 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:25,471 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:25,682 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:25,891 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:26,122 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:15:26,349 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:26,565 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:26,768 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-21 11:15:26,783 INFO L268 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-09-21 11:15:26,783 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 600) no Hoare annotation was computed. [2020-09-21 11:15:26,783 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 565 620) no Hoare annotation was computed. [2020-09-21 11:15:26,784 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-09-21 11:15:26,784 INFO L268 CegarLoopResult]: For program point L590-2(lines 590 611) no Hoare annotation was computed. [2020-09-21 11:15:26,784 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 565 620) no Hoare annotation was computed. [2020-09-21 11:15:26,784 INFO L268 CegarLoopResult]: For program point L612(lines 589 613) no Hoare annotation was computed. [2020-09-21 11:15:26,784 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 565 620) no Hoare annotation was computed. [2020-09-21 11:15:26,784 INFO L268 CegarLoopResult]: For program point L673(lines 646 674) no Hoare annotation was computed. [2020-09-21 11:15:26,785 INFO L268 CegarLoopResult]: For program point L666(line 666) no Hoare annotation was computed. [2020-09-21 11:15:26,785 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-09-21 11:15:26,785 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 621 680) no Hoare annotation was computed. [2020-09-21 11:15:26,785 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 621 680) no Hoare annotation was computed. [2020-09-21 11:15:26,785 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-09-21 11:15:26,785 INFO L268 CegarLoopResult]: For program point L653-1(lines 653 657) no Hoare annotation was computed. [2020-09-21 11:15:26,785 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 621 680) no Hoare annotation was computed. [2020-09-21 11:15:26,786 INFO L268 CegarLoopResult]: For program point L648(line 648) no Hoare annotation was computed. [2020-09-21 11:15:26,786 INFO L268 CegarLoopResult]: For program point L647-2(lines 647 672) no Hoare annotation was computed. [2020-09-21 11:15:26,786 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 897 903) the Hoare annotation is: true [2020-09-21 11:15:26,786 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 897 903) no Hoare annotation was computed. [2020-09-21 11:15:26,786 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 904 912) no Hoare annotation was computed. [2020-09-21 11:15:26,786 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 904 912) the Hoare annotation is: true [2020-09-21 11:15:26,787 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 904 912) no Hoare annotation was computed. [2020-09-21 11:15:26,787 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:15:26,787 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-09-21 11:15:26,787 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-09-21 11:15:26,787 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 11:15:26,787 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-09-21 11:15:26,788 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-21 11:15:26,788 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-09-21 11:15:26,788 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-09-21 11:15:26,789 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:15:26,791 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-09-21 11:15:26,791 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-09-21 11:15:26,791 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-09-21 11:15:26,791 INFO L271 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: true [2020-09-21 11:15:26,791 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-09-21 11:15:26,792 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-09-21 11:15:26,792 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-09-21 11:15:26,792 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-09-21 11:15:26,792 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-09-21 11:15:26,792 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 489 511) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:26,792 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 489 511) no Hoare annotation was computed. [2020-09-21 11:15:26,792 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:26,793 INFO L264 CegarLoopResult]: At program point L501-1(line 501) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:26,793 INFO L268 CegarLoopResult]: For program point L499(lines 499 506) no Hoare annotation was computed. [2020-09-21 11:15:26,793 INFO L268 CegarLoopResult]: For program point L499-1(lines 499 506) no Hoare annotation was computed. [2020-09-21 11:15:26,793 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 11:15:26,794 INFO L264 CegarLoopResult]: At program point L496(line 496) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:26,794 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:26,795 INFO L264 CegarLoopResult]: At program point L495-1(line 495) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:26,795 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 489 511) no Hoare annotation was computed. [2020-09-21 11:15:26,795 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-21 11:15:26,795 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 444 467) no Hoare annotation was computed. [2020-09-21 11:15:26,795 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 444 467) no Hoare annotation was computed. [2020-09-21 11:15:26,795 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 444 467) no Hoare annotation was computed. [2020-09-21 11:15:26,795 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-09-21 11:15:26,796 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 11:15:26,796 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 11:15:26,796 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-09-21 11:15:26,796 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 11:15:26,796 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 11:15:26,796 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-09-21 11:15:26,796 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 11:15:26,797 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 11:15:26,797 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-09-21 11:15:26,797 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-21 11:15:26,797 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 11:15:26,797 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-09-21 11:15:26,797 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 228 242) no Hoare annotation was computed. [2020-09-21 11:15:26,798 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:15:26,798 INFO L268 CegarLoopResult]: For program point L232(lines 232 238) no Hoare annotation was computed. [2020-09-21 11:15:26,798 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 228 242) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:15:26,798 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 228 242) no Hoare annotation was computed. [2020-09-21 11:15:26,798 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 138 145) no Hoare annotation was computed. [2020-09-21 11:15:26,798 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 138 145) no Hoare annotation was computed. [2020-09-21 11:15:26,798 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 138 145) no Hoare annotation was computed. [2020-09-21 11:15:26,798 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 183 191) no Hoare annotation was computed. [2020-09-21 11:15:26,799 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 183 191) the Hoare annotation is: true [2020-09-21 11:15:26,799 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 183 191) no Hoare annotation was computed. [2020-09-21 11:15:26,799 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-09-21 11:15:26,799 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-09-21 11:15:26,799 INFO L268 CegarLoopResult]: For program point L211(lines 211 219) no Hoare annotation was computed. [2020-09-21 11:15:26,799 INFO L268 CegarLoopResult]: For program point L211-2(lines 211 219) no Hoare annotation was computed. [2020-09-21 11:15:26,799 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 192 227) no Hoare annotation was computed. [2020-09-21 11:15:26,799 INFO L268 CegarLoopResult]: For program point L199(lines 199 207) no Hoare annotation was computed. [2020-09-21 11:15:26,799 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 192 227) no Hoare annotation was computed. [2020-09-21 11:15:26,800 INFO L268 CegarLoopResult]: For program point L199-2(lines 199 207) no Hoare annotation was computed. [2020-09-21 11:15:26,801 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 192 227) no Hoare annotation was computed. [2020-09-21 11:15:26,801 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 890 896) no Hoare annotation was computed. [2020-09-21 11:15:26,801 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 890 896) the Hoare annotation is: true [2020-09-21 11:15:26,801 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 519 564) no Hoare annotation was computed. [2020-09-21 11:15:26,801 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 519 564) no Hoare annotation was computed. [2020-09-21 11:15:26,801 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 519 564) no Hoare annotation was computed. [2020-09-21 11:15:26,801 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 832 877) no Hoare annotation was computed. [2020-09-21 11:15:26,801 INFO L268 CegarLoopResult]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-09-21 11:15:26,802 INFO L268 CegarLoopResult]: For program point L846(lines 846 866) no Hoare annotation was computed. [2020-09-21 11:15:26,802 INFO L268 CegarLoopResult]: For program point L846-1(lines 846 866) no Hoare annotation was computed. [2020-09-21 11:15:26,802 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 832 877) no Hoare annotation was computed. [2020-09-21 11:15:26,803 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 832 877) no Hoare annotation was computed. [2020-09-21 11:15:26,803 INFO L264 CegarLoopResult]: At program point L480(line 480) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:26,803 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 475 485) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:26,803 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 475 485) no Hoare annotation was computed. [2020-09-21 11:15:26,803 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 475 485) no Hoare annotation was computed. [2020-09-21 11:15:26,803 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-09-21 11:15:26,803 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-09-21 11:15:26,803 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 172 182) no Hoare annotation was computed. [2020-09-21 11:15:26,804 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 172 182) no Hoare annotation was computed. [2020-09-21 11:15:26,804 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 172 182) no Hoare annotation was computed. [2020-09-21 11:15:26,804 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 164 171) the Hoare annotation is: true [2020-09-21 11:15:26,804 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 164 171) no Hoare annotation was computed. [2020-09-21 11:15:26,804 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 164 171) no Hoare annotation was computed. [2020-09-21 11:15:26,804 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 131 137) no Hoare annotation was computed. [2020-09-21 11:15:26,804 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 131 137) the Hoare annotation is: true [2020-09-21 11:15:26,804 INFO L264 CegarLoopResult]: At program point testENTRY(lines 335 402) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:26,805 INFO L268 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-09-21 11:15:26,805 INFO L268 CegarLoopResult]: For program point testFINAL(lines 335 402) no Hoare annotation was computed. [2020-09-21 11:15:26,805 INFO L264 CegarLoopResult]: At program point L395(lines 344 396) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:26,805 INFO L264 CegarLoopResult]: At program point L385(line 385) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:26,805 INFO L268 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-09-21 11:15:26,805 INFO L264 CegarLoopResult]: At program point L383-1(lines 375 390) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:26,805 INFO L268 CegarLoopResult]: For program point L346(lines 345 394) no Hoare annotation was computed. [2020-09-21 11:15:26,805 INFO L264 CegarLoopResult]: At program point L377(line 377) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:26,806 INFO L268 CegarLoopResult]: For program point L375(lines 375 390) no Hoare annotation was computed. [2020-09-21 11:15:26,806 INFO L264 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:26,806 INFO L268 CegarLoopResult]: For program point L365(lines 365 371) no Hoare annotation was computed. [2020-09-21 11:15:26,806 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 371) no Hoare annotation was computed. [2020-09-21 11:15:26,806 INFO L264 CegarLoopResult]: At program point L392(lines 345 394) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:26,806 INFO L264 CegarLoopResult]: At program point L357(line 357) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:26,806 INFO L268 CegarLoopResult]: For program point L355(lines 355 361) no Hoare annotation was computed. [2020-09-21 11:15:26,806 INFO L268 CegarLoopResult]: For program point testEXIT(lines 335 402) no Hoare annotation was computed. [2020-09-21 11:15:26,807 INFO L268 CegarLoopResult]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2020-09-21 11:15:26,807 INFO L268 CegarLoopResult]: For program point L800(lines 800 820) no Hoare annotation was computed. [2020-09-21 11:15:26,807 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2020-09-21 11:15:26,807 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 786 831) no Hoare annotation was computed. [2020-09-21 11:15:26,807 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 786 831) no Hoare annotation was computed. [2020-09-21 11:15:26,807 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 786 831) no Hoare annotation was computed. [2020-09-21 11:15:26,807 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-09-21 11:15:26,807 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 301 323) no Hoare annotation was computed. [2020-09-21 11:15:26,807 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 301 323) no Hoare annotation was computed. [2020-09-21 11:15:26,808 INFO L268 CegarLoopResult]: For program point L309(lines 309 317) no Hoare annotation was computed. [2020-09-21 11:15:26,808 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 301 323) no Hoare annotation was computed. [2020-09-21 11:15:26,808 INFO L268 CegarLoopResult]: For program point L309-2(lines 309 317) no Hoare annotation was computed. [2020-09-21 11:15:26,808 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 683 785) no Hoare annotation was computed. [2020-09-21 11:15:26,808 INFO L268 CegarLoopResult]: For program point L733(lines 732 752) no Hoare annotation was computed. [2020-09-21 11:15:26,808 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-09-21 11:15:26,808 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-09-21 11:15:26,808 INFO L268 CegarLoopResult]: For program point L729(lines 729 770) no Hoare annotation was computed. [2020-09-21 11:15:26,808 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-09-21 11:15:26,809 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-09-21 11:15:26,809 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 683 785) no Hoare annotation was computed. [2020-09-21 11:15:26,809 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-09-21 11:15:26,809 INFO L268 CegarLoopResult]: For program point L771(lines 771 782) no Hoare annotation was computed. [2020-09-21 11:15:26,809 INFO L268 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2020-09-21 11:15:26,809 INFO L268 CegarLoopResult]: For program point L732-2(lines 732 752) no Hoare annotation was computed. [2020-09-21 11:15:26,809 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 683 785) no Hoare annotation was computed. [2020-09-21 11:15:26,809 INFO L268 CegarLoopResult]: For program point L753(lines 731 754) no Hoare annotation was computed. [2020-09-21 11:15:26,809 INFO L268 CegarLoopResult]: For program point L712(lines 712 728) no Hoare annotation was computed. [2020-09-21 11:15:26,810 INFO L268 CegarLoopResult]: For program point L772(lines 772 779) no Hoare annotation was computed. [2020-09-21 11:15:26,810 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 880 889) no Hoare annotation was computed. [2020-09-21 11:15:26,810 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 880 889) no Hoare annotation was computed. [2020-09-21 11:15:26,810 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 880 889) no Hoare annotation was computed. [2020-09-21 11:15:26,810 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:26,810 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:15:26,811 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:26,811 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-09-21 11:15:26,811 INFO L268 CegarLoopResult]: For program point L158-1(lines 147 163) no Hoare annotation was computed. [2020-09-21 11:15:26,811 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 147 163) no Hoare annotation was computed. [2020-09-21 11:15:26,811 INFO L268 CegarLoopResult]: For program point L154(lines 154 160) no Hoare annotation was computed. [2020-09-21 11:15:26,811 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 147 163) no Hoare annotation was computed. [2020-09-21 11:15:26,811 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-21 11:15:26,811 INFO L268 CegarLoopResult]: For program point L152-1(line 152) no Hoare annotation was computed. [2020-09-21 11:15:26,811 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 324 332) the Hoare annotation is: true [2020-09-21 11:15:26,812 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 324 332) no Hoare annotation was computed. [2020-09-21 11:15:26,812 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 324 332) no Hoare annotation was computed. [2020-09-21 11:15:26,812 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 280 291) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:15:26,813 INFO L268 CegarLoopResult]: For program point L284-1(lines 280 291) no Hoare annotation was computed. [2020-09-21 11:15:26,813 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 280 291) no Hoare annotation was computed. [2020-09-21 11:15:26,813 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:26,813 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:15:26,813 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:26,813 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 292 300) no Hoare annotation was computed. [2020-09-21 11:15:26,813 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 292 300) no Hoare annotation was computed. [2020-09-21 11:15:26,813 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 292 300) no Hoare annotation was computed. [2020-09-21 11:15:26,813 INFO L271 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: true [2020-09-21 11:15:26,814 INFO L271 CegarLoopResult]: At program point L118(lines 118 124) the Hoare annotation is: true [2020-09-21 11:15:26,814 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:15:26,814 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 104 130) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:15:26,814 INFO L268 CegarLoopResult]: For program point L111(lines 107 129) no Hoare annotation was computed. [2020-09-21 11:15:26,814 INFO L268 CegarLoopResult]: For program point L109(lines 107 129) no Hoare annotation was computed. [2020-09-21 11:15:26,814 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 104 130) no Hoare annotation was computed. [2020-09-21 11:15:26,814 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 104 130) no Hoare annotation was computed. [2020-09-21 11:15:26,814 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 414 443) no Hoare annotation was computed. [2020-09-21 11:15:26,815 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 414 443) the Hoare annotation is: true [2020-09-21 11:15:26,815 INFO L271 CegarLoopResult]: At program point L439(lines 414 443) the Hoare annotation is: true [2020-09-21 11:15:26,815 INFO L268 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-09-21 11:15:26,815 INFO L268 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-09-21 11:15:26,815 INFO L271 CegarLoopResult]: At program point L428-1(lines 428 432) the Hoare annotation is: true [2020-09-21 11:15:26,815 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 11:15:26,815 INFO L271 CegarLoopResult]: At program point L424-2(lines 424 438) the Hoare annotation is: true [2020-09-21 11:15:26,815 INFO L271 CegarLoopResult]: At program point L420(line 420) the Hoare annotation is: true [2020-09-21 11:15:26,815 INFO L268 CegarLoopResult]: For program point L420-1(line 420) no Hoare annotation was computed. [2020-09-21 11:15:26,816 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 256 267) the Hoare annotation is: true [2020-09-21 11:15:26,816 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 256 267) no Hoare annotation was computed. [2020-09-21 11:15:26,816 INFO L268 CegarLoopResult]: For program point L260-1(lines 256 267) no Hoare annotation was computed. [2020-09-21 11:15:26,816 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 468 474) no Hoare annotation was computed. [2020-09-21 11:15:26,817 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 468 474) the Hoare annotation is: true [2020-09-21 11:15:26,817 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:26,817 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:15:26,817 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:15:26,818 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:26,818 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 243 250) no Hoare annotation was computed. [2020-09-21 11:15:26,818 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 243 250) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:15:26,819 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 243 250) no Hoare annotation was computed. [2020-09-21 11:15:26,819 INFO L268 CegarLoopResult]: For program point L272-1(lines 268 279) no Hoare annotation was computed. [2020-09-21 11:15:26,819 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 268 279) no Hoare annotation was computed. [2020-09-21 11:15:26,819 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 268 279) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:15:26,819 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 404 411) no Hoare annotation was computed. [2020-09-21 11:15:26,819 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 408) no Hoare annotation was computed. [2020-09-21 11:15:26,819 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 404 411) the Hoare annotation is: true [2020-09-21 11:15:26,820 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 404 411) no Hoare annotation was computed. [2020-09-21 11:15:26,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:15:26 BoogieIcfgContainer [2020-09-21 11:15:26,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:15:26,852 INFO L168 Benchmark]: Toolchain (without parser) took 27540.96 ms. Allocated memory was 141.0 MB in the beginning and 498.1 MB in the end (delta: 357.0 MB). Free memory was 102.9 MB in the beginning and 256.6 MB in the end (delta: -153.7 MB). Peak memory consumption was 369.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:26,854 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:15:26,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.49 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 172.0 MB in the end (delta: -69.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:26,857 INFO L168 Benchmark]: Boogie Preprocessor took 105.85 ms. Allocated memory is still 204.5 MB. Free memory was 172.0 MB in the beginning and 167.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:26,858 INFO L168 Benchmark]: RCFGBuilder took 1230.40 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 167.4 MB in the beginning and 195.3 MB in the end (delta: -27.9 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:26,859 INFO L168 Benchmark]: TraceAbstraction took 25454.38 ms. Allocated memory was 235.4 MB in the beginning and 498.1 MB in the end (delta: 262.7 MB). Free memory was 195.3 MB in the beginning and 256.6 MB in the end (delta: -61.3 MB). Peak memory consumption was 367.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:26,864 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.49 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 172.0 MB in the end (delta: -69.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.85 ms. Allocated memory is still 204.5 MB. Free memory was 172.0 MB in the beginning and 167.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1230.40 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 167.4 MB in the beginning and 195.3 MB in the end (delta: -27.9 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25454.38 ms. Allocated memory was 235.4 MB in the beginning and 498.1 MB in the end (delta: 262.7 MB). Free memory was 195.3 MB in the beginning and 256.6 MB in the end (delta: -61.3 MB). Peak memory consumption was 367.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 408]: 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: 424]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 377 SDtfs, 411 SDslu, 261 SDs, 0 SdLazy, 817 SolverSat, 288 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 105 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 194 PreInvPairs, 226 NumberOfFragments, 616 HoareAnnotationTreeSize, 194 FomulaSimplifications, 18040 FormulaSimplificationTreeSizeReduction, 9.3s HoareSimplificationTime, 49 FomulaSimplificationsInter, 6786 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 71334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...