/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:11:10,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:11:10,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:11:10,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:11:10,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:11:10,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:11:10,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:11:10,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:11:10,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:11:10,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:11:10,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:11:10,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:11:10,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:11:10,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:11:10,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:11:10,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:11:10,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:11:10,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:11:10,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:11:10,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:11:10,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:11:10,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:11:10,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:11:10,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:11:10,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:11:10,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:11:10,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:11:10,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:11:10,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:11:10,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:11:10,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:11:10,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:11:10,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:11:10,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:11:10,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:11:10,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:11:10,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:11:10,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:11:10,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:11:10,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:11:10,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:11:10,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:11:10,866 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:11:10,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:11:10,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:11:10,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:11:10,869 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:11:10,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:11:10,870 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:11:10,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:11:10,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:11:10,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:11:10,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:11:10,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:11:10,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:11:10,872 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:11:10,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:11:10,872 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:11:10,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:11:10,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:11:10,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:11:10,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:11:10,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:11:10,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:11:10,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:11:10,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:11:10,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:11:10,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:11:10,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:11:10,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:11:10,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:11:10,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:11:11,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:11:11,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:11:11,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:11:11,370 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:11:11,371 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:11:11,372 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-09-21 11:11:11,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab5b4d36d/3bb0213a0ce847ac9ec8128f4c4c2281/FLAG3a2468097 [2020-09-21 11:11:12,010 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:11:12,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-09-21 11:11:12,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab5b4d36d/3bb0213a0ce847ac9ec8128f4c4c2281/FLAG3a2468097 [2020-09-21 11:11:12,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab5b4d36d/3bb0213a0ce847ac9ec8128f4c4c2281 [2020-09-21 11:11:12,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:11:12,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:11:12,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:12,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:11:12,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:11:12,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:12" (1/1) ... [2020-09-21 11:11:12,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2970dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:12, skipping insertion in model container [2020-09-21 11:11:12,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:12" (1/1) ... [2020-09-21 11:11:12,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:11:12,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:11:12,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:12,971 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:11:13,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:13,095 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:11:13,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:13 WrapperNode [2020-09-21 11:11:13,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:13,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:11:13,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:11:13,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:11:13,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:13" (1/1) ... [2020-09-21 11:11:13,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:13" (1/1) ... [2020-09-21 11:11:13,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:13" (1/1) ... [2020-09-21 11:11:13,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:13" (1/1) ... [2020-09-21 11:11:13,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:13" (1/1) ... [2020-09-21 11:11:13,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:13" (1/1) ... [2020-09-21 11:11:13,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:13" (1/1) ... [2020-09-21 11:11:13,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:11:13,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:11:13,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:11:13,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:11:13,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:13" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:11:13,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:11:13,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:11:13,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:13,284 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:11:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:11:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:11:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:11:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:11:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:11:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:11:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:11:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:11:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:11:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:11:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:13,288 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:11:13,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:11:13,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:11:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:11:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:11:13,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:11:13,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:11:13,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:11:13,290 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:11:13,292 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:11:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:11:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:11:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:11:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:11:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:11:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:11:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:11:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:11:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:11:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:11:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:11:13,296 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:11:13,296 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:11:13,296 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:11:13,296 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:11:13,296 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:11:13,296 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:11:13,297 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:11:13,297 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:11:13,297 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:11:13,297 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:11:13,297 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:11:13,297 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:11:13,298 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:11:13,298 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:11:13,298 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:11:13,298 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:11:13,298 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:11:13,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:11:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:11:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:11:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:11:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:11:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:11:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:11:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:11:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:11:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:11:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:11:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:11:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:11:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:11:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:11:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:11:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:11:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:11:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:11:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:11:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:11:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:11:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:11:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:11:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:11:14,376 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:11:14,376 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:11:14,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:14 BoogieIcfgContainer [2020-09-21 11:11:14,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:11:14,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:11:14,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:11:14,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:11:14,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:11:12" (1/3) ... [2020-09-21 11:11:14,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a290473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:14, skipping insertion in model container [2020-09-21 11:11:14,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:13" (2/3) ... [2020-09-21 11:11:14,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a290473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:14, skipping insertion in model container [2020-09-21 11:11:14,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:14" (3/3) ... [2020-09-21 11:11:14,398 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2020-09-21 11:11:14,410 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:11:14,422 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:11:14,443 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:11:14,473 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:11:14,473 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:11:14,473 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:11:14,473 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:11:14,473 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:11:14,473 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:11:14,474 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:11:14,474 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:11:14,500 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2020-09-21 11:11:14,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:11:14,511 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:14,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:14,515 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:14,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:14,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1990004152, now seen corresponding path program 1 times [2020-09-21 11:11:14,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:14,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1296451368] [2020-09-21 11:11:14,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:14,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:14,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:14,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:14,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:14,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:11:14,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:14,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:11:14,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:11:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:14,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:15,308 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:15,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:15,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:15,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:15,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:15,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:15,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:15,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:15,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:15,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:15,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:15,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:15,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:15,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:15,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:15,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:15,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:15,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:15,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:15,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:15,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:15,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:15,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:15,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:15,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:15,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:15,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:15,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:15,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:15,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:15,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:15,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:15,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:15,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:15,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:15,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:15,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:15,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:15,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:15,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:15,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:15,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:15,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:15,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:15,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:15,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:15,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:15,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:15,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:15,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:15,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:15,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:15,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:15,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:15,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:15,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:15,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:15,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:15,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:15,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:15,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:11:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:15,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:15,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:15,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:15,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:15,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:15,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:15,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:15,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:15,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:15,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:15,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:15,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:15,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:15,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:15,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:15,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:15,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:15,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:15,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:15,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:15,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:15,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:15,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:15,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1296451368] [2020-09-21 11:11:15,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:15,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:11:15,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43853597] [2020-09-21 11:11:15,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:11:15,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:15,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:11:15,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:15,488 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2020-09-21 11:11:16,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:16,560 INFO L93 Difference]: Finished difference Result 252 states and 331 transitions. [2020-09-21 11:11:16,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:11:16,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:11:16,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:16,580 INFO L225 Difference]: With dead ends: 252 [2020-09-21 11:11:16,580 INFO L226 Difference]: Without dead ends: 137 [2020-09-21 11:11:16,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:16,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-09-21 11:11:16,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 106. [2020-09-21 11:11:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-09-21 11:11:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-09-21 11:11:16,678 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2020-09-21 11:11:16,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:16,678 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-09-21 11:11:16,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:11:16,679 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-09-21 11:11:16,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:11:16,684 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:16,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:16,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:11:16,686 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:16,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:16,687 INFO L82 PathProgramCache]: Analyzing trace with hash 925385075, now seen corresponding path program 1 times [2020-09-21 11:11:16,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:16,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200350743] [2020-09-21 11:11:16,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:16,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:16,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:16,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:16,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:16,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:11:16,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:16,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:11:16,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:16,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:16,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:11:16,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:11:16,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:17,142 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:17,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:17,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:17,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:17,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:11:17,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:17,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:11:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:17,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:17,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:17,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:17,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:17,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:17,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:17,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:17,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:17,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:17,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:17,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:17,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:17,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:17,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:17,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200350743] [2020-09-21 11:11:17,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:17,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:17,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856935782] [2020-09-21 11:11:17,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:17,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:17,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:17,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:17,290 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 4 states. [2020-09-21 11:11:17,725 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:18,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:18,375 INFO L93 Difference]: Finished difference Result 181 states and 218 transitions. [2020-09-21 11:11:18,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:18,376 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:11:18,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:18,380 INFO L225 Difference]: With dead ends: 181 [2020-09-21 11:11:18,380 INFO L226 Difference]: Without dead ends: 121 [2020-09-21 11:11:18,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:18,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-21 11:11:18,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2020-09-21 11:11:18,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-09-21 11:11:18,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2020-09-21 11:11:18,408 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2020-09-21 11:11:18,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:18,409 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2020-09-21 11:11:18,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:18,409 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2020-09-21 11:11:18,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:11:18,411 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:18,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:18,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:11:18,412 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:18,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:18,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1884487534, now seen corresponding path program 1 times [2020-09-21 11:11:18,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:18,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1949593787] [2020-09-21 11:11:18,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:18,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:18,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:18,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:18,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:18,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:11:18,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:18,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-09-21 11:11:18,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:18,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:11:18,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:18,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:11:18,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:19,127 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:19,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:19,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:19,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:19,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:19,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:19,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:19,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:19,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-21 11:11:19,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:19,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:19,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:19,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:19,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:19,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:19,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:19,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:19,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:19,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:19,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:19,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:19,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:19,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:19,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:19,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:19,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:19,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:19,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:19,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:19,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:19,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:19,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:19,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:19,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:19,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:19,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:19,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:19,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:19,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:19,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:19,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:19,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:19,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:19,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:19,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:19,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:19,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:19,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:19,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:19,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:19,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:19,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:19,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:19,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:19,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:19,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:19,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:19,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:19,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:19,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:19,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:19,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:19,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:19,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:19,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:19,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:19,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:19,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:19,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:19,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:19,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:19,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:19,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:19,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:19,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:11:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:19,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:19,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:19,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:19,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:19,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:19,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:19,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:19,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:19,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:19,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:19,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:19,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:19,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:19,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1949593787] [2020-09-21 11:11:19,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:19,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:19,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438119329] [2020-09-21 11:11:19,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:19,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:19,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:19,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:19,332 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 4 states. [2020-09-21 11:11:19,687 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:20,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:20,426 INFO L93 Difference]: Finished difference Result 194 states and 236 transitions. [2020-09-21 11:11:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:20,427 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:11:20,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:20,429 INFO L225 Difference]: With dead ends: 194 [2020-09-21 11:11:20,430 INFO L226 Difference]: Without dead ends: 121 [2020-09-21 11:11:20,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:20,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-21 11:11:20,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2020-09-21 11:11:20,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-09-21 11:11:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2020-09-21 11:11:20,464 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2020-09-21 11:11:20,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:20,464 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2020-09-21 11:11:20,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2020-09-21 11:11:20,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:11:20,467 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:20,467 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:20,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:11:20,467 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:20,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:20,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1119651887, now seen corresponding path program 1 times [2020-09-21 11:11:20,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:20,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [786382000] [2020-09-21 11:11:20,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:20,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:20,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:20,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:20,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:20,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-21 11:11:20,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:20,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 394 [2020-09-21 11:11:20,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:11:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:11:20,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:21,350 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:21,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-21 11:11:21,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:21,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:21,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:21,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:21,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:21,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:21,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:21,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:21,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:21,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:21,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:21,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:21,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:21,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:21,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:11:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:11:21,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:21,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:11:21,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:21,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:11:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:21,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:21,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:21,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:21,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:11:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:21,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:21,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:21,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:21,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:21,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:21,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:21,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:21,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:21,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:21,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:21,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:21,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:21,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [786382000] [2020-09-21 11:11:21,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:21,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:11:21,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455479753] [2020-09-21 11:11:21,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:11:21,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:21,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:11:21,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:11:21,708 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 8 states. [2020-09-21 11:11:22,364 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:23,447 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:23,859 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:24,182 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:24,509 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:25,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:25,323 INFO L93 Difference]: Finished difference Result 288 states and 375 transitions. [2020-09-21 11:11:25,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:11:25,324 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-09-21 11:11:25,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:25,328 INFO L225 Difference]: With dead ends: 288 [2020-09-21 11:11:25,328 INFO L226 Difference]: Without dead ends: 215 [2020-09-21 11:11:25,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:11:25,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-09-21 11:11:25,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 168. [2020-09-21 11:11:25,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-09-21 11:11:25,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 195 transitions. [2020-09-21 11:11:25,398 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 195 transitions. Word has length 60 [2020-09-21 11:11:25,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:25,398 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 195 transitions. [2020-09-21 11:11:25,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:11:25,398 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 195 transitions. [2020-09-21 11:11:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:11:25,401 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:25,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:25,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:11:25,402 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:25,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:25,402 INFO L82 PathProgramCache]: Analyzing trace with hash 104988343, now seen corresponding path program 1 times [2020-09-21 11:11:25,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:25,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044016566] [2020-09-21 11:11:25,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:11:25,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-09-21 11:11:25,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:11:25,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:25,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:11:25,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,957 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:25,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:26,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-21 11:11:26,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:26,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:26,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:26,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:26,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:26,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:26,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:26,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:26,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:26,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:26,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:26,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:26,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:26,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:26,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:26,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:26,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:26,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:26,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:26,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:26,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:26,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:26,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:26,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:26,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:26,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:26,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:11:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:26,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:26,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:26,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:26,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:26,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:26,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:11:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:11:26,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:26,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:11:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:26,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:26,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:26,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:26,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:26,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:26,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:26,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:26,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:11:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:26,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:26,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:26,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:26,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:11:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:26,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:26,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:26,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:26,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:26,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:26,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:26,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:26,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:26,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:26,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044016566] [2020-09-21 11:11:26,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:26,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:11:26,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608744290] [2020-09-21 11:11:26,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:11:26,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:26,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:11:26,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:11:26,221 INFO L87 Difference]: Start difference. First operand 168 states and 195 transitions. Second operand 6 states. [2020-09-21 11:11:26,763 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:27,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:27,384 INFO L93 Difference]: Finished difference Result 278 states and 339 transitions. [2020-09-21 11:11:27,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:11:27,385 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-09-21 11:11:27,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:27,388 INFO L225 Difference]: With dead ends: 278 [2020-09-21 11:11:27,388 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 11:11:27,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:11:27,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 11:11:27,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 121. [2020-09-21 11:11:27,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-09-21 11:11:27,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 134 transitions. [2020-09-21 11:11:27,417 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 134 transitions. Word has length 64 [2020-09-21 11:11:27,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:27,417 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 134 transitions. [2020-09-21 11:11:27,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:11:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 134 transitions. [2020-09-21 11:11:27,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:11:27,419 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:27,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:27,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:11:27,419 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:27,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:27,420 INFO L82 PathProgramCache]: Analyzing trace with hash 236191563, now seen corresponding path program 1 times [2020-09-21 11:11:27,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:27,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571738081] [2020-09-21 11:11:27,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:11:27,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-09-21 11:11:27,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:11:27,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:27,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:11:27,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:28,144 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:28,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:28,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:11:28,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:28,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:28,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:28,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:28,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:28,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:28,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:28,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:28,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:28,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:28,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:28,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:28,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:28,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:28,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:28,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:28,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:28,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:28,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:28,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:28,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:28,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:11:28,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:11:28,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:11:28,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:28,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:11:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:11:28,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:28,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:11:28,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:28,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:11:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:28,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:28,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:28,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:28,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:11:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:28,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:28,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:28,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:28,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:28,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:28,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:11:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:28,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:28,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:28,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:28,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:28,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:28,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:28,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:28,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:28,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:28,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:28,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:28,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:28,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:28,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571738081] [2020-09-21 11:11:28,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:28,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:11:28,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947148162] [2020-09-21 11:11:28,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:11:28,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:28,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:11:28,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:11:28,415 INFO L87 Difference]: Start difference. First operand 121 states and 134 transitions. Second operand 11 states. [2020-09-21 11:11:29,103 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:29,843 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:30,486 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:30,832 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:31,194 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:31,530 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:31,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:31,768 INFO L93 Difference]: Finished difference Result 180 states and 210 transitions. [2020-09-21 11:11:31,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:11:31,769 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 64 [2020-09-21 11:11:31,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:31,770 INFO L225 Difference]: With dead ends: 180 [2020-09-21 11:11:31,770 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:11:31,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:11:31,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:11:31,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:11:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:11:31,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:11:31,772 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-09-21 11:11:31,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:31,772 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:11:31,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:11:31,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:11:31,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:11:31,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:11:31,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:11:31,974 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:32,142 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:32,523 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 23 [2020-09-21 11:11:32,686 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:32,861 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:33,023 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:33,182 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:33,342 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:33,499 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:33,657 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:33,800 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:33,957 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:34,115 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:34,276 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:34,434 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:34,600 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:34,765 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:34,924 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:35,077 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:35,240 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:35,393 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:35,547 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:35,701 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:35,854 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:36,014 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:36,271 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:36,522 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:36,783 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:36,940 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:37,093 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:37,246 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:37,401 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:37,554 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:37,908 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 23 [2020-09-21 11:11:38,077 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:38,234 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:38,387 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:38,540 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:38,694 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:38,847 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:39,202 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 23 [2020-09-21 11:11:39,376 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:39,709 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 23 [2020-09-21 11:11:40,045 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 23 [2020-09-21 11:11:40,201 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:40,466 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:11:40,727 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:11:40,975 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:41,621 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:11:41,898 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:42,122 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:42,797 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-21 11:11:43,055 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:43,276 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:43,902 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:11:44,129 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:44,349 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:45,000 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:11:45,638 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:11:46,264 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:11:46,877 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:11:47,087 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:47,403 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:47,621 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:47,840 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:48,073 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:48,282 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:48,756 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:11:49,387 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:11:49,409 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-21 11:11:49,409 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 565) no Hoare annotation was computed. [2020-09-21 11:11:49,410 INFO L268 CegarLoopResult]: For program point L566(lines 543 567) no Hoare annotation was computed. [2020-09-21 11:11:49,410 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 519 574) no Hoare annotation was computed. [2020-09-21 11:11:49,410 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 519 574) no Hoare annotation was computed. [2020-09-21 11:11:49,410 INFO L268 CegarLoopResult]: For program point L550(lines 550 554) no Hoare annotation was computed. [2020-09-21 11:11:49,410 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 554) no Hoare annotation was computed. [2020-09-21 11:11:49,411 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 519 574) no Hoare annotation was computed. [2020-09-21 11:11:49,411 INFO L268 CegarLoopResult]: For program point L607(lines 607 611) no Hoare annotation was computed. [2020-09-21 11:11:49,411 INFO L268 CegarLoopResult]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2020-09-21 11:11:49,411 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-09-21 11:11:49,411 INFO L268 CegarLoopResult]: For program point L601-2(lines 601 626) no Hoare annotation was computed. [2020-09-21 11:11:49,411 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 575 634) no Hoare annotation was computed. [2020-09-21 11:11:49,411 INFO L268 CegarLoopResult]: For program point L627(lines 600 628) no Hoare annotation was computed. [2020-09-21 11:11:49,411 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 575 634) no Hoare annotation was computed. [2020-09-21 11:11:49,412 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-09-21 11:11:49,412 INFO L268 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-09-21 11:11:49,412 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 575 634) no Hoare annotation was computed. [2020-09-21 11:11:49,412 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 851 857) the Hoare annotation is: true [2020-09-21 11:11:49,412 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 851 857) no Hoare annotation was computed. [2020-09-21 11:11:49,412 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 858 866) no Hoare annotation was computed. [2020-09-21 11:11:49,412 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 858 866) the Hoare annotation is: true [2020-09-21 11:11:49,413 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 858 866) no Hoare annotation was computed. [2020-09-21 11:11:49,413 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 230 254) the Hoare annotation is: true [2020-09-21 11:11:49,413 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:11:49,413 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 230 254) no Hoare annotation was computed. [2020-09-21 11:11:49,413 INFO L268 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2020-09-21 11:11:49,413 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:11:49,414 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-09-21 11:11:49,414 INFO L268 CegarLoopResult]: For program point L238(lines 238 251) no Hoare annotation was computed. [2020-09-21 11:11:49,414 INFO L268 CegarLoopResult]: For program point L238-1(lines 230 254) no Hoare annotation was computed. [2020-09-21 11:11:49,414 INFO L271 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: true [2020-09-21 11:11:49,414 INFO L268 CegarLoopResult]: For program point L236-1(line 236) no Hoare annotation was computed. [2020-09-21 11:11:49,414 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-09-21 11:11:49,414 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 11:11:49,415 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:49,415 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:49,415 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:49,415 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:49,415 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-09-21 11:11:49,415 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-09-21 11:11:49,415 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:49,416 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:49,416 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-09-21 11:11:49,416 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:11:49,416 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 11:11:49,416 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:11:49,416 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 11:11:49,416 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:11:49,416 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:11:49,417 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 11:11:49,417 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 11:11:49,417 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:11:49,417 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 11:11:49,417 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 11:11:49,417 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:11:49,417 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 11:11:49,417 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 11:11:49,418 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:11:49,418 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 11:11:49,418 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 11:11:49,418 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 346 354) no Hoare annotation was computed. [2020-09-21 11:11:49,418 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 346 354) the Hoare annotation is: true [2020-09-21 11:11:49,418 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 346 354) no Hoare annotation was computed. [2020-09-21 11:11:49,418 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-09-21 11:11:49,418 INFO L268 CegarLoopResult]: For program point L385-1(line 385) no Hoare annotation was computed. [2020-09-21 11:11:49,419 INFO L268 CegarLoopResult]: For program point L374(lines 374 382) no Hoare annotation was computed. [2020-09-21 11:11:49,419 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 382) no Hoare annotation was computed. [2020-09-21 11:11:49,419 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 355 390) no Hoare annotation was computed. [2020-09-21 11:11:49,419 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-09-21 11:11:49,419 INFO L268 CegarLoopResult]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2020-09-21 11:11:49,419 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 355 390) no Hoare annotation was computed. [2020-09-21 11:11:49,419 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 355 390) no Hoare annotation was computed. [2020-09-21 11:11:49,419 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 844 850) no Hoare annotation was computed. [2020-09-21 11:11:49,419 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 844 850) the Hoare annotation is: true [2020-09-21 11:11:49,420 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 473 518) no Hoare annotation was computed. [2020-09-21 11:11:49,420 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 473 518) no Hoare annotation was computed. [2020-09-21 11:11:49,420 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 473 518) no Hoare annotation was computed. [2020-09-21 11:11:49,420 INFO L268 CegarLoopResult]: For program point L800(lines 800 820) no Hoare annotation was computed. [2020-09-21 11:11:49,420 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2020-09-21 11:11:49,420 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 786 831) no Hoare annotation was computed. [2020-09-21 11:11:49,420 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 786 831) no Hoare annotation was computed. [2020-09-21 11:11:49,420 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-09-21 11:11:49,420 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 786 831) no Hoare annotation was computed. [2020-09-21 11:11:49,421 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:49,421 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-09-21 11:11:49,421 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-09-21 11:11:49,421 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 335 345) the Hoare annotation is: true [2020-09-21 11:11:49,421 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 335 345) no Hoare annotation was computed. [2020-09-21 11:11:49,421 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 335 345) no Hoare annotation was computed. [2020-09-21 11:11:49,421 INFO L271 CegarLoopResult]: At program point L340(line 340) the Hoare annotation is: true [2020-09-21 11:11:49,421 INFO L268 CegarLoopResult]: For program point L340-1(line 340) no Hoare annotation was computed. [2020-09-21 11:11:49,422 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 327 334) the Hoare annotation is: true [2020-09-21 11:11:49,422 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 327 334) no Hoare annotation was computed. [2020-09-21 11:11:49,422 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 327 334) no Hoare annotation was computed. [2020-09-21 11:11:49,422 INFO L264 CegarLoopResult]: At program point L313(line 313) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:11:49,422 INFO L268 CegarLoopResult]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2020-09-21 11:11:49,422 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 294 318) no Hoare annotation was computed. [2020-09-21 11:11:49,422 INFO L264 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:11:49,423 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 294 318) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:11:49,423 INFO L264 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:11:49,423 INFO L268 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2020-09-21 11:11:49,423 INFO L264 CegarLoopResult]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:11:49,423 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-09-21 11:11:49,423 INFO L268 CegarLoopResult]: For program point L298(lines 298 315) no Hoare annotation was computed. [2020-09-21 11:11:49,423 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2020-09-21 11:11:49,423 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2020-09-21 11:11:49,424 INFO L268 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2020-09-21 11:11:49,424 INFO L264 CegarLoopResult]: At program point testENTRY(lines 400 465) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:11:49,424 INFO L264 CegarLoopResult]: At program point L448-2(lines 440 453) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:11:49,424 INFO L268 CegarLoopResult]: For program point L411(lines 410 457) no Hoare annotation was computed. [2020-09-21 11:11:49,424 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:11:49,424 INFO L268 CegarLoopResult]: For program point L440(lines 440 453) no Hoare annotation was computed. [2020-09-21 11:11:49,424 INFO L268 CegarLoopResult]: For program point testFINAL(lines 400 465) no Hoare annotation was computed. [2020-09-21 11:11:49,425 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:11:49,425 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-09-21 11:11:49,425 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2020-09-21 11:11:49,425 INFO L264 CegarLoopResult]: At program point L455(lines 410 457) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:11:49,425 INFO L264 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:11:49,425 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-09-21 11:11:49,425 INFO L268 CegarLoopResult]: For program point L420-1(lines 420 426) no Hoare annotation was computed. [2020-09-21 11:11:49,426 INFO L268 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-09-21 11:11:49,426 INFO L264 CegarLoopResult]: At program point L458(lines 409 459) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:11:49,426 INFO L268 CegarLoopResult]: For program point testEXIT(lines 400 465) no Hoare annotation was computed. [2020-09-21 11:11:49,426 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 740 785) no Hoare annotation was computed. [2020-09-21 11:11:49,426 INFO L268 CegarLoopResult]: For program point L760(lines 760 767) no Hoare annotation was computed. [2020-09-21 11:11:49,426 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 740 785) no Hoare annotation was computed. [2020-09-21 11:11:49,426 INFO L268 CegarLoopResult]: For program point L754(lines 754 774) no Hoare annotation was computed. [2020-09-21 11:11:49,426 INFO L268 CegarLoopResult]: For program point L754-1(lines 754 774) no Hoare annotation was computed. [2020-09-21 11:11:49,426 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 740 785) no Hoare annotation was computed. [2020-09-21 11:11:49,427 INFO L268 CegarLoopResult]: For program point L203(lines 203 211) no Hoare annotation was computed. [2020-09-21 11:11:49,427 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2020-09-21 11:11:49,427 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2020-09-21 11:11:49,427 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2020-09-21 11:11:49,427 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 195 217) no Hoare annotation was computed. [2020-09-21 11:11:49,427 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 637 739) no Hoare annotation was computed. [2020-09-21 11:11:49,427 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-09-21 11:11:49,427 INFO L268 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-09-21 11:11:49,427 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-09-21 11:11:49,428 INFO L268 CegarLoopResult]: For program point L725(lines 725 736) no Hoare annotation was computed. [2020-09-21 11:11:49,428 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-09-21 11:11:49,428 INFO L268 CegarLoopResult]: For program point L686-2(lines 686 706) no Hoare annotation was computed. [2020-09-21 11:11:49,428 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 637 739) no Hoare annotation was computed. [2020-09-21 11:11:49,428 INFO L268 CegarLoopResult]: For program point L707(lines 685 708) no Hoare annotation was computed. [2020-09-21 11:11:49,428 INFO L268 CegarLoopResult]: For program point L666(lines 666 682) no Hoare annotation was computed. [2020-09-21 11:11:49,428 INFO L268 CegarLoopResult]: For program point L726(lines 726 733) no Hoare annotation was computed. [2020-09-21 11:11:49,428 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 637 739) no Hoare annotation was computed. [2020-09-21 11:11:49,429 INFO L268 CegarLoopResult]: For program point L687(lines 686 706) no Hoare annotation was computed. [2020-09-21 11:11:49,429 INFO L268 CegarLoopResult]: For program point L718(line 718) no Hoare annotation was computed. [2020-09-21 11:11:49,429 INFO L268 CegarLoopResult]: For program point L718-1(line 718) no Hoare annotation was computed. [2020-09-21 11:11:49,429 INFO L268 CegarLoopResult]: For program point L683(lines 683 724) no Hoare annotation was computed. [2020-09-21 11:11:49,429 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 834 843) no Hoare annotation was computed. [2020-09-21 11:11:49,429 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 834 843) no Hoare annotation was computed. [2020-09-21 11:11:49,429 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 834 843) no Hoare annotation was computed. [2020-09-21 11:11:49,429 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:49,430 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~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~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= ~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)|) (= |#t~string53.base| |old(#t~string53.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)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~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~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.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~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~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string62.base| |old(#t~string62.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)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:11:49,430 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:49,430 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 319 326) no Hoare annotation was computed. [2020-09-21 11:11:49,430 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 319 326) no Hoare annotation was computed. [2020-09-21 11:11:49,430 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 319 326) no Hoare annotation was computed. [2020-09-21 11:11:49,430 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 218 226) the Hoare annotation is: true [2020-09-21 11:11:49,430 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2020-09-21 11:11:49,431 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2020-09-21 11:11:49,431 INFO L268 CegarLoopResult]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2020-09-21 11:11:49,431 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-09-21 11:11:49,431 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2020-09-21 11:11:49,431 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:49,431 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:11:49,431 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:49,431 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:11:49,432 INFO L264 CegarLoopResult]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:11:49,432 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:11:49,432 INFO L264 CegarLoopResult]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-09-21 11:11:49,432 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2020-09-21 11:11:49,432 INFO L268 CegarLoopResult]: For program point L266(lines 265 284) no Hoare annotation was computed. [2020-09-21 11:11:49,432 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2020-09-21 11:11:49,433 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 11:11:49,433 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 11:11:49,433 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 11:11:49,433 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 11:11:49,433 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 11:11:49,433 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 11:11:49,433 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 11:11:49,433 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 11:11:49,433 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 11:11:49,434 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 11:11:49,434 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2020-09-21 11:11:49,434 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2020-09-21 11:11:49,434 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2020-09-21 11:11:49,434 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2020-09-21 11:11:49,434 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2020-09-21 11:11:49,434 INFO L268 CegarLoopResult]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2020-09-21 11:11:49,434 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 11:11:49,434 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 11:11:49,435 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:49,435 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:11:49,435 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:11:49,435 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:49,435 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 391 398) no Hoare annotation was computed. [2020-09-21 11:11:49,435 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 391 398) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:11:49,435 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 391 398) no Hoare annotation was computed. [2020-09-21 11:11:49,435 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2020-09-21 11:11:49,436 INFO L268 CegarLoopResult]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2020-09-21 11:11:49,436 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:49,436 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 868 875) no Hoare annotation was computed. [2020-09-21 11:11:49,436 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2020-09-21 11:11:49,436 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 868 875) the Hoare annotation is: true [2020-09-21 11:11:49,436 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 868 875) no Hoare annotation was computed. [2020-09-21 11:11:49,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:11:49 BoogieIcfgContainer [2020-09-21 11:11:49,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:11:49,459 INFO L168 Benchmark]: Toolchain (without parser) took 37145.57 ms. Allocated memory was 145.8 MB in the beginning and 617.6 MB in the end (delta: 471.9 MB). Free memory was 101.2 MB in the beginning and 266.3 MB in the end (delta: -165.2 MB). Peak memory consumption was 460.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:49,460 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 145.8 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-21 11:11:49,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.65 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 100.7 MB in the beginning and 172.3 MB in the end (delta: -71.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:49,461 INFO L168 Benchmark]: Boogie Preprocessor took 110.76 ms. Allocated memory is still 202.9 MB. Free memory was 172.3 MB in the beginning and 168.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:49,462 INFO L168 Benchmark]: RCFGBuilder took 1178.15 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 168.3 MB in the beginning and 203.2 MB in the end (delta: -34.9 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:49,463 INFO L168 Benchmark]: TraceAbstraction took 35068.35 ms. Allocated memory was 235.9 MB in the beginning and 617.6 MB in the end (delta: 381.7 MB). Free memory was 203.2 MB in the beginning and 266.3 MB in the end (delta: -63.2 MB). Peak memory consumption was 472.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:49,467 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 145.8 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 777.65 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 100.7 MB in the beginning and 172.3 MB in the end (delta: -71.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.76 ms. Allocated memory is still 202.9 MB. Free memory was 172.3 MB in the beginning and 168.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1178.15 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 168.3 MB in the beginning and 203.2 MB in the end (delta: -34.9 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35068.35 ms. Allocated memory was 235.9 MB in the beginning and 617.6 MB in the end (delta: 381.7 MB). Free memory was 203.2 MB in the beginning and 266.3 MB in the end (delta: -63.2 MB). Peak memory consumption was 472.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((2 == waterLevel && splverifierCounter <= 0) && 1 == systemActive) && pumpRunning == 0)) || (((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 514 SDtfs, 729 SDslu, 340 SDs, 0 SdLazy, 1526 SolverSat, 491 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 139 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 266 PreInvPairs, 289 NumberOfFragments, 1081 HoareAnnotationTreeSize, 266 FomulaSimplifications, 48914 FormulaSimplificationTreeSizeReduction, 9.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 6969 FormulaSimplificationTreeSizeReductionInter, 8.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 327 ConstructedInterpolants, 0 QuantifiedInterpolants, 93946 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...