/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_spec2_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:08:41,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:08:41,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:08:41,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:08:41,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:08:41,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:08:41,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:08:41,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:08:41,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:08:41,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:08:41,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:08:41,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:08:41,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:08:41,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:08:41,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:08:41,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:08:41,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:08:41,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:08:41,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:08:41,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:08:41,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:08:41,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:08:41,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:08:41,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:08:41,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:08:41,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:08:41,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:08:41,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:08:41,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:08:41,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:08:41,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:08:41,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:08:41,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:08:41,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:08:41,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:08:41,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:08:41,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:08:41,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:08:41,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:08:41,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:08:41,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:08:41,793 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 12:08:41,820 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:08:41,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:08:41,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:08:41,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:08:41,822 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:08:41,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:08:41,822 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:08:41,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:08:41,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:08:41,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:08:41,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:08:41,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:08:41,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:08:41,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:08:41,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:08:41,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:08:41,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:08:41,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:08:41,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:08:41,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:08:41,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:08:41,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:08:41,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:08:41,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:08:41,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:08:41,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:08:41,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:08:41,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:08:41,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:08:41,827 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:08:42,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:08:42,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:08:42,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:08:42,311 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:08:42,312 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:08:42,314 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2020-09-21 12:08:42,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfca03fc3/ab3dbc3521304f39840bacb10f4ed805/FLAG8e78a0e77 [2020-09-21 12:08:43,032 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:08:43,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2020-09-21 12:08:43,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfca03fc3/ab3dbc3521304f39840bacb10f4ed805/FLAG8e78a0e77 [2020-09-21 12:08:43,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfca03fc3/ab3dbc3521304f39840bacb10f4ed805 [2020-09-21 12:08:43,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:08:43,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:08:43,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:43,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:08:43,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:08:43,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:43" (1/1) ... [2020-09-21 12:08:43,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:43, skipping insertion in model container [2020-09-21 12:08:43,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:43" (1/1) ... [2020-09-21 12:08:43,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:08:43,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:08:43,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:43,870 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:08:43,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:43,997 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:08:43,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:43 WrapperNode [2020-09-21 12:08:43,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:43,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:08:43,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:08:43,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:08:44,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:43" (1/1) ... [2020-09-21 12:08:44,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:43" (1/1) ... [2020-09-21 12:08:44,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:43" (1/1) ... [2020-09-21 12:08:44,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:43" (1/1) ... [2020-09-21 12:08:44,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:43" (1/1) ... [2020-09-21 12:08:44,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:43" (1/1) ... [2020-09-21 12:08:44,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:43" (1/1) ... [2020-09-21 12:08:44,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:08:44,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:08:44,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:08:44,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:08:44,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:43" (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 12:08:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:08:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:08:44,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:44,200 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:08:44,200 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:08:44,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:08:44,202 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 12:08:44,202 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:08:44,203 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:08:44,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:08:44,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:08:44,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:08:44,204 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:08:44,204 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:08:44,204 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:08:44,205 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:08:44,205 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:08:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:08:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:08:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:08:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:08:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:08:44,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:08:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:08:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:08:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:08:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:08:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:08:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:08:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:08:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:08:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:08:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:08:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:08:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:08:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:08:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:08:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:08:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:08:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:08:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:08:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:08:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:08:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:08:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:08:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:08:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:08:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:08:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 12:08:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:08:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:08:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:08:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:08:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:08:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:08:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:08:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:08:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:08:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:08:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:08:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:08:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:08:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:08:44,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:44,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:08:44,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:44,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:44,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:08:44,220 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:08:44,220 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:08:44,220 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:08:44,220 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:08:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:08:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:08:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:08:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:08:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:08:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:08:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:08:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:08:44,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:08:44,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:08:45,394 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:08:45,394 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:08:45,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:45 BoogieIcfgContainer [2020-09-21 12:08:45,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:08:45,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:08:45,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:08:45,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:08:45,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:08:43" (1/3) ... [2020-09-21 12:08:45,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e27e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:45, skipping insertion in model container [2020-09-21 12:08:45,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:43" (2/3) ... [2020-09-21 12:08:45,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e27e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:45, skipping insertion in model container [2020-09-21 12:08:45,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:45" (3/3) ... [2020-09-21 12:08:45,410 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2020-09-21 12:08:45,422 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:08:45,432 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:08:45,454 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:08:45,480 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:08:45,481 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:08:45,481 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:08:45,481 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:08:45,481 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:08:45,481 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:08:45,482 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:08:45,482 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:08:45,510 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-09-21 12:08:45,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:08:45,522 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:45,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:45,524 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:45,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:45,533 INFO L82 PathProgramCache]: Analyzing trace with hash -936458787, now seen corresponding path program 1 times [2020-09-21 12:08:45,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:45,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20398000] [2020-09-21 12:08:45,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:46,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:46,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:46,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:46,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:08:46,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:46,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-09-21 12:08:46,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:08:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:46,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:08:47,382 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:47,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:47,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:47,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:47,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:47,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:47,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 12:08:47,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:47,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:47,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:47,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:47,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:47,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:47,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:47,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:47,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:47,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:47,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:47,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:47,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:47,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:47,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:47,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:47,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:47,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:47,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:47,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:47,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:47,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:47,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:47,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:47,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:47,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:47,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:47,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:47,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:47,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:47,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:47,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:47,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:47,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:47,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:47,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:47,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:47,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:47,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:47,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:47,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:47,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:47,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:47,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:47,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:47,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:47,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:47,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:47,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:47,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:47,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:08:47,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:47,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:47,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:47,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:08:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:47,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:47,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:47,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:47,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:47,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:47,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:47,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:47,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:47,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:47,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:47,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:08:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:47,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:47,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:47,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:47,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:47,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:08:47,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:47,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:47,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:47,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:47,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:47,619 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 12:08:47,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20398000] [2020-09-21 12:08:47,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:47,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:08:47,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773684901] [2020-09-21 12:08:47,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:08:47,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:47,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:08:47,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:47,653 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 4 states. [2020-09-21 12:08:48,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:48,836 INFO L93 Difference]: Finished difference Result 251 states and 335 transitions. [2020-09-21 12:08:48,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:08:48,838 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:08:48,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:48,855 INFO L225 Difference]: With dead ends: 251 [2020-09-21 12:08:48,855 INFO L226 Difference]: Without dead ends: 142 [2020-09-21 12:08:48,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:48,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-09-21 12:08:48,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-09-21 12:08:48,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-09-21 12:08:48,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 130 transitions. [2020-09-21 12:08:48,995 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 130 transitions. Word has length 51 [2020-09-21 12:08:48,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:48,996 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 130 transitions. [2020-09-21 12:08:48,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:08:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 130 transitions. [2020-09-21 12:08:49,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:08:49,000 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:49,000 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 12:08:49,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:08:49,001 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:49,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:49,001 INFO L82 PathProgramCache]: Analyzing trace with hash -137557085, now seen corresponding path program 1 times [2020-09-21 12:08:49,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:49,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2117135315] [2020-09-21 12:08:49,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:49,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:49,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:08:50,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:50,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1027 [2020-09-21 12:08:50,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:08:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:08:50,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:50,391 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:50,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:50,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 12:08:50,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:50,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:50,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:50,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:50,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:50,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:50,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:50,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:50,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:50,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:50,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:50,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:50,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:50,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:08:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:50,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:50,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:08:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:50,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:50,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,541 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 12:08:50,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2117135315] [2020-09-21 12:08:50,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:50,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:50,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864608649] [2020-09-21 12:08:50,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:50,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:50,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:50,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:50,545 INFO L87 Difference]: Start difference. First operand 110 states and 130 transitions. Second operand 5 states. [2020-09-21 12:08:51,117 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:51,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:51,994 INFO L93 Difference]: Finished difference Result 190 states and 238 transitions. [2020-09-21 12:08:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:51,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:08:51,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:51,997 INFO L225 Difference]: With dead ends: 190 [2020-09-21 12:08:51,997 INFO L226 Difference]: Without dead ends: 132 [2020-09-21 12:08:51,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:52,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-09-21 12:08:52,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 101. [2020-09-21 12:08:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-21 12:08:52,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2020-09-21 12:08:52,039 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 52 [2020-09-21 12:08:52,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:52,040 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2020-09-21 12:08:52,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2020-09-21 12:08:52,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 12:08:52,042 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:52,042 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] [2020-09-21 12:08:52,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:08:52,043 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:52,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:52,043 INFO L82 PathProgramCache]: Analyzing trace with hash 734191743, now seen corresponding path program 1 times [2020-09-21 12:08:52,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:52,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [672269153] [2020-09-21 12:08:52,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:52,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:52,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:08:53,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:53,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1045 [2020-09-21 12:08:53,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:08:53,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:53,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 12:08:53,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:53,442 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:53,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:53,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-21 12:08:53,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:53,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:08:53,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:53,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:53,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:53,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:53,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:53,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:53,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:53,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:53,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:53,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:53,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:53,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:53,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:08:53,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:53,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:53,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:53,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:53,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:53,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:53,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:53,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:53,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:53,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:53,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:53,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:53,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:53,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:53,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:53,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:53,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:08:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:53,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:53,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:53,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:53,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:53,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:53,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:08:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:53,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:53,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:53,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:53,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:53,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:53,727 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 12:08:53,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [672269153] [2020-09-21 12:08:53,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:53,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:53,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507011487] [2020-09-21 12:08:53,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:53,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:53,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:53,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:53,733 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 5 states. [2020-09-21 12:08:54,093 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:55,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:55,393 INFO L93 Difference]: Finished difference Result 287 states and 366 transitions. [2020-09-21 12:08:55,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:55,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 12:08:55,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:55,397 INFO L225 Difference]: With dead ends: 287 [2020-09-21 12:08:55,397 INFO L226 Difference]: Without dead ends: 214 [2020-09-21 12:08:55,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:55,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-09-21 12:08:55,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 168. [2020-09-21 12:08:55,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-09-21 12:08:55,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 203 transitions. [2020-09-21 12:08:55,456 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 203 transitions. Word has length 56 [2020-09-21 12:08:55,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:55,456 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 203 transitions. [2020-09-21 12:08:55,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:55,457 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 203 transitions. [2020-09-21 12:08:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 12:08:55,459 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:55,459 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] [2020-09-21 12:08:55,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:08:55,459 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:55,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:55,460 INFO L82 PathProgramCache]: Analyzing trace with hash -667828357, now seen corresponding path program 1 times [2020-09-21 12:08:55,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:55,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1311773364] [2020-09-21 12:08:55,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:55,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 12:08:56,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:08:56,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:08:56,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:08:56,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 12:08:56,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:08:56,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:56,862 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:56,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:56,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:56,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 12:08:56,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:56,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:56,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:56,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:56,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:56,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:56,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:56,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:56,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:56,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:08:56,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:56,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:56,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:56,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:56,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:56,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:56,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:56,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:56,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:56,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:56,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:56,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:56,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:56,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:08:56,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:56,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:56,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:56,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:57,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:57,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:57,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:57,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:57,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:57,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:57,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:57,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:57,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:57,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:57,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:57,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:08:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:57,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:57,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:57,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:08:57,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:57,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:57,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:57,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:57,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:08:57,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:08:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:57,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:57,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:57,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:57,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:57,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:57,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:57,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:57,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 12:08:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:57,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:57,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:57,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:57,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:57,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:08:57,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:57,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:08:57,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:57,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:57,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:57,086 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 12:08:57,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1311773364] [2020-09-21 12:08:57,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:57,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:08:57,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207622215] [2020-09-21 12:08:57,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:08:57,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:57,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:08:57,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:08:57,089 INFO L87 Difference]: Start difference. First operand 168 states and 203 transitions. Second operand 9 states. [2020-09-21 12:08:57,585 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:58,591 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:08:58,956 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:59,269 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:59,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:59,596 INFO L93 Difference]: Finished difference Result 297 states and 385 transitions. [2020-09-21 12:08:59,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 12:08:59,597 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 12:08:59,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:59,598 INFO L225 Difference]: With dead ends: 297 [2020-09-21 12:08:59,598 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:08:59,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:08:59,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:08:59,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:08:59,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:08:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:08:59,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2020-09-21 12:08:59,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:59,609 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:08:59,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:08:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:08:59,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:08:59,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:08:59,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:08:59,815 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:59,983 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:00,153 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:00,309 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 6 [2020-09-21 12:09:00,587 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-21 12:09:00,973 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:01,341 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:01,690 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:01,943 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-21 12:09:02,098 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:02,247 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:02,401 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:02,561 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:02,724 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:02,879 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:03,026 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:03,178 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:03,331 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:03,490 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:03,644 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:03,793 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:03,947 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:04,119 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:04,268 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:04,422 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:04,575 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:04,723 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:04,878 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:05,031 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:05,135 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 6 [2020-09-21 12:09:05,286 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:05,440 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:05,594 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:05,748 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:05,912 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:06,165 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-21 12:09:06,503 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:06,845 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:07,182 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:07,429 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-21 12:09:07,531 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-21 12:09:07,638 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-21 12:09:07,795 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:07,951 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:08,099 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:08,254 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:08,407 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:08,665 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:08,813 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:08,973 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:09,130 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:09,285 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:09,437 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:09,589 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:09,755 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:09,903 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:10,056 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:10,211 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:10,360 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:10,513 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:10,927 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7 [2020-09-21 12:09:11,234 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:11,669 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 12:09:12,071 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 12:09:12,316 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:12,728 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7 [2020-09-21 12:09:13,018 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:13,439 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 12:09:13,654 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:09:14,065 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 12:09:14,504 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 12:09:14,756 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:14,976 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:15,397 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-21 12:09:15,650 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:15,852 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:09:16,060 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:09:16,289 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:16,507 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:09:16,755 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:16,984 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:09:17,363 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 12:09:17,685 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-21 12:09:18,062 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 8 [2020-09-21 12:09:18,067 INFO L268 CegarLoopResult]: For program point L474(lines 451 475) no Hoare annotation was computed. [2020-09-21 12:09:18,068 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 427 482) no Hoare annotation was computed. [2020-09-21 12:09:18,068 INFO L268 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-09-21 12:09:18,068 INFO L268 CegarLoopResult]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2020-09-21 12:09:18,068 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 427 482) no Hoare annotation was computed. [2020-09-21 12:09:18,068 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-09-21 12:09:18,068 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 427 482) no Hoare annotation was computed. [2020-09-21 12:09:18,069 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 473) no Hoare annotation was computed. [2020-09-21 12:09:18,069 INFO L268 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-09-21 12:09:18,069 INFO L268 CegarLoopResult]: For program point L509-2(lines 509 534) no Hoare annotation was computed. [2020-09-21 12:09:18,069 INFO L268 CegarLoopResult]: For program point L535(lines 508 536) no Hoare annotation was computed. [2020-09-21 12:09:18,069 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 483 542) no Hoare annotation was computed. [2020-09-21 12:09:18,070 INFO L268 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-09-21 12:09:18,070 INFO L268 CegarLoopResult]: For program point L528-1(line 528) no Hoare annotation was computed. [2020-09-21 12:09:18,070 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 483 542) no Hoare annotation was computed. [2020-09-21 12:09:18,070 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 483 542) no Hoare annotation was computed. [2020-09-21 12:09:18,070 INFO L268 CegarLoopResult]: For program point L515(lines 515 519) no Hoare annotation was computed. [2020-09-21 12:09:18,070 INFO L268 CegarLoopResult]: For program point L515-1(lines 515 519) no Hoare annotation was computed. [2020-09-21 12:09:18,070 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 762 768) the Hoare annotation is: true [2020-09-21 12:09:18,070 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 762 768) no Hoare annotation was computed. [2020-09-21 12:09:18,071 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 769 777) no Hoare annotation was computed. [2020-09-21 12:09:18,071 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 769 777) the Hoare annotation is: true [2020-09-21 12:09:18,071 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 769 777) no Hoare annotation was computed. [2020-09-21 12:09:18,071 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,071 INFO L264 CegarLoopResult]: At program point L897-1(line 897) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,072 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 891 913) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,072 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 891 913) no Hoare annotation was computed. [2020-09-21 12:09:18,072 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 891 913) no Hoare annotation was computed. [2020-09-21 12:09:18,072 INFO L264 CegarLoopResult]: At program point L903(line 903) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,072 INFO L264 CegarLoopResult]: At program point L903-1(line 903) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,072 INFO L268 CegarLoopResult]: For program point L901(lines 901 908) no Hoare annotation was computed. [2020-09-21 12:09:18,073 INFO L268 CegarLoopResult]: For program point L901-1(lines 901 908) no Hoare annotation was computed. [2020-09-21 12:09:18,073 INFO L268 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-09-21 12:09:18,073 INFO L264 CegarLoopResult]: At program point L898(line 898) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,073 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-09-21 12:09:18,073 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-09-21 12:09:18,073 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 849 872) no Hoare annotation was computed. [2020-09-21 12:09:18,073 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-09-21 12:09:18,074 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-09-21 12:09:18,074 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-09-21 12:09:18,074 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 849 872) no Hoare annotation was computed. [2020-09-21 12:09:18,074 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-09-21 12:09:18,074 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 849 872) no Hoare annotation was computed. [2020-09-21 12:09:18,074 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-09-21 12:09:18,074 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-09-21 12:09:18,074 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-09-21 12:09:18,074 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-09-21 12:09:18,075 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-09-21 12:09:18,075 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-09-21 12:09:18,075 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-09-21 12:09:18,075 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-09-21 12:09:18,075 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 77 83) no Hoare annotation was computed. [2020-09-21 12:09:18,075 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 77 83) the Hoare annotation is: true [2020-09-21 12:09:18,075 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 199 213) no Hoare annotation was computed. [2020-09-21 12:09:18,075 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:09:18,076 INFO L268 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-09-21 12:09:18,076 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 199 213) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:18,076 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 199 213) no Hoare annotation was computed. [2020-09-21 12:09:18,076 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 110 117) no Hoare annotation was computed. [2020-09-21 12:09:18,076 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 110 117) no Hoare annotation was computed. [2020-09-21 12:09:18,076 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 110 117) no Hoare annotation was computed. [2020-09-21 12:09:18,076 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 154 162) no Hoare annotation was computed. [2020-09-21 12:09:18,077 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 154 162) the Hoare annotation is: true [2020-09-21 12:09:18,077 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 154 162) no Hoare annotation was computed. [2020-09-21 12:09:18,077 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 12:09:18,077 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-09-21 12:09:18,077 INFO L268 CegarLoopResult]: For program point L182(lines 182 190) no Hoare annotation was computed. [2020-09-21 12:09:18,077 INFO L268 CegarLoopResult]: For program point L182-2(lines 182 190) no Hoare annotation was computed. [2020-09-21 12:09:18,077 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 163 198) no Hoare annotation was computed. [2020-09-21 12:09:18,077 INFO L268 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2020-09-21 12:09:18,077 INFO L268 CegarLoopResult]: For program point L170-2(lines 170 178) no Hoare annotation was computed. [2020-09-21 12:09:18,078 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 163 198) no Hoare annotation was computed. [2020-09-21 12:09:18,078 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 163 198) no Hoare annotation was computed. [2020-09-21 12:09:18,078 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 755 761) no Hoare annotation was computed. [2020-09-21 12:09:18,078 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 755 761) the Hoare annotation is: true [2020-09-21 12:09:18,078 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 381 426) no Hoare annotation was computed. [2020-09-21 12:09:18,078 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 381 426) no Hoare annotation was computed. [2020-09-21 12:09:18,078 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 381 426) no Hoare annotation was computed. [2020-09-21 12:09:18,078 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 694 739) no Hoare annotation was computed. [2020-09-21 12:09:18,078 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 694 739) no Hoare annotation was computed. [2020-09-21 12:09:18,079 INFO L268 CegarLoopResult]: For program point L714(lines 714 721) no Hoare annotation was computed. [2020-09-21 12:09:18,079 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 694 739) no Hoare annotation was computed. [2020-09-21 12:09:18,079 INFO L268 CegarLoopResult]: For program point L708(lines 708 728) no Hoare annotation was computed. [2020-09-21 12:09:18,079 INFO L268 CegarLoopResult]: For program point L708-1(lines 708 728) no Hoare annotation was computed. [2020-09-21 12:09:18,079 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 880 890) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,079 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 880 890) no Hoare annotation was computed. [2020-09-21 12:09:18,079 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 880 890) no Hoare annotation was computed. [2020-09-21 12:09:18,079 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,080 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 143 153) the Hoare annotation is: true [2020-09-21 12:09:18,080 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 143 153) no Hoare annotation was computed. [2020-09-21 12:09:18,080 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 143 153) no Hoare annotation was computed. [2020-09-21 12:09:18,080 INFO L271 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: true [2020-09-21 12:09:18,080 INFO L268 CegarLoopResult]: For program point L148-1(line 148) no Hoare annotation was computed. [2020-09-21 12:09:18,080 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 135 142) the Hoare annotation is: true [2020-09-21 12:09:18,080 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 135 142) no Hoare annotation was computed. [2020-09-21 12:09:18,081 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 135 142) no Hoare annotation was computed. [2020-09-21 12:09:18,081 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:09:18,081 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-09-21 12:09:18,081 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:09:18,081 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-09-21 12:09:18,081 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-09-21 12:09:18,081 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 85 109) no Hoare annotation was computed. [2020-09-21 12:09:18,082 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 85 109) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,082 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,082 INFO L268 CegarLoopResult]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2020-09-21 12:09:18,082 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:09:18,082 INFO L264 CegarLoopResult]: At program point testENTRY(lines 218 283) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,082 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:18,082 INFO L268 CegarLoopResult]: For program point L248(lines 248 254) no Hoare annotation was computed. [2020-09-21 12:09:18,083 INFO L268 CegarLoopResult]: For program point L248-1(lines 248 254) no Hoare annotation was computed. [2020-09-21 12:09:18,083 INFO L268 CegarLoopResult]: For program point testFINAL(lines 218 283) no Hoare annotation was computed. [2020-09-21 12:09:18,083 INFO L264 CegarLoopResult]: At program point L273(lines 228 275) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:18,083 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:18,083 INFO L268 CegarLoopResult]: For program point L238(lines 238 244) no Hoare annotation was computed. [2020-09-21 12:09:18,083 INFO L268 CegarLoopResult]: For program point L238-1(lines 238 244) no Hoare annotation was computed. [2020-09-21 12:09:18,083 INFO L268 CegarLoopResult]: For program point L230(lines 230 234) no Hoare annotation was computed. [2020-09-21 12:09:18,084 INFO L264 CegarLoopResult]: At program point L276(lines 227 277) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,084 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:18,084 INFO L268 CegarLoopResult]: For program point L264(lines 264 270) no Hoare annotation was computed. [2020-09-21 12:09:18,084 INFO L264 CegarLoopResult]: At program point L264-1(lines 258 271) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:18,084 INFO L268 CegarLoopResult]: For program point L229(lines 228 275) no Hoare annotation was computed. [2020-09-21 12:09:18,084 INFO L268 CegarLoopResult]: For program point testEXIT(lines 218 283) no Hoare annotation was computed. [2020-09-21 12:09:18,084 INFO L268 CegarLoopResult]: For program point L258(lines 258 271) no Hoare annotation was computed. [2020-09-21 12:09:18,085 INFO L268 CegarLoopResult]: For program point L668(lines 668 675) no Hoare annotation was computed. [2020-09-21 12:09:18,085 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 648 693) no Hoare annotation was computed. [2020-09-21 12:09:18,085 INFO L268 CegarLoopResult]: For program point L662(lines 662 682) no Hoare annotation was computed. [2020-09-21 12:09:18,085 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 682) no Hoare annotation was computed. [2020-09-21 12:09:18,085 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 648 693) no Hoare annotation was computed. [2020-09-21 12:09:18,085 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 648 693) no Hoare annotation was computed. [2020-09-21 12:09:18,085 INFO L268 CegarLoopResult]: For program point L801(lines 801 807) no Hoare annotation was computed. [2020-09-21 12:09:18,085 INFO L268 CegarLoopResult]: For program point L800(lines 800 810) no Hoare annotation was computed. [2020-09-21 12:09:18,086 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:18,086 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-09-21 12:09:18,086 INFO L268 CegarLoopResult]: For program point L796(lines 796 813) no Hoare annotation was computed. [2020-09-21 12:09:18,086 INFO L268 CegarLoopResult]: For program point L796-1(lines 788 816) no Hoare annotation was computed. [2020-09-21 12:09:18,086 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:18,086 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-09-21 12:09:18,086 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 788 816) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:18,087 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 788 816) no Hoare annotation was computed. [2020-09-21 12:09:18,087 INFO L264 CegarLoopResult]: At program point L803(line 803) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:09:18,087 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 333 355) no Hoare annotation was computed. [2020-09-21 12:09:18,087 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 333 355) no Hoare annotation was computed. [2020-09-21 12:09:18,087 INFO L268 CegarLoopResult]: For program point L341(lines 341 349) no Hoare annotation was computed. [2020-09-21 12:09:18,087 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 333 355) no Hoare annotation was computed. [2020-09-21 12:09:18,087 INFO L268 CegarLoopResult]: For program point L341-2(lines 341 349) no Hoare annotation was computed. [2020-09-21 12:09:18,087 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 780 787) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:18,088 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 780 787) no Hoare annotation was computed. [2020-09-21 12:09:18,088 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 780 787) no Hoare annotation was computed. [2020-09-21 12:09:18,088 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 545 647) no Hoare annotation was computed. [2020-09-21 12:09:18,088 INFO L268 CegarLoopResult]: For program point L574(lines 574 590) no Hoare annotation was computed. [2020-09-21 12:09:18,088 INFO L268 CegarLoopResult]: For program point L634(lines 634 641) no Hoare annotation was computed. [2020-09-21 12:09:18,088 INFO L268 CegarLoopResult]: For program point L595(lines 594 614) no Hoare annotation was computed. [2020-09-21 12:09:18,088 INFO L268 CegarLoopResult]: For program point L626(line 626) no Hoare annotation was computed. [2020-09-21 12:09:18,088 INFO L268 CegarLoopResult]: For program point L626-1(line 626) no Hoare annotation was computed. [2020-09-21 12:09:18,088 INFO L268 CegarLoopResult]: For program point L591(lines 591 632) no Hoare annotation was computed. [2020-09-21 12:09:18,089 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 545 647) no Hoare annotation was computed. [2020-09-21 12:09:18,089 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-09-21 12:09:18,089 INFO L268 CegarLoopResult]: For program point L610-1(line 610) no Hoare annotation was computed. [2020-09-21 12:09:18,089 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-09-21 12:09:18,089 INFO L268 CegarLoopResult]: For program point L633(lines 633 644) no Hoare annotation was computed. [2020-09-21 12:09:18,089 INFO L268 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-09-21 12:09:18,089 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 545 647) no Hoare annotation was computed. [2020-09-21 12:09:18,089 INFO L268 CegarLoopResult]: For program point L594-2(lines 594 614) no Hoare annotation was computed. [2020-09-21 12:09:18,090 INFO L268 CegarLoopResult]: For program point L615(lines 593 616) no Hoare annotation was computed. [2020-09-21 12:09:18,090 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 745 754) no Hoare annotation was computed. [2020-09-21 12:09:18,090 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 745 754) no Hoare annotation was computed. [2020-09-21 12:09:18,090 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 745 754) no Hoare annotation was computed. [2020-09-21 12:09:18,090 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:18,090 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#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~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#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~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:09:18,091 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:18,091 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-21 12:09:18,091 INFO L268 CegarLoopResult]: For program point L129-1(lines 118 134) no Hoare annotation was computed. [2020-09-21 12:09:18,091 INFO L268 CegarLoopResult]: For program point L125(lines 125 131) no Hoare annotation was computed. [2020-09-21 12:09:18,091 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 118 134) no Hoare annotation was computed. [2020-09-21 12:09:18,091 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-09-21 12:09:18,091 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-09-21 12:09:18,091 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 118 134) no Hoare annotation was computed. [2020-09-21 12:09:18,092 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 356 364) no Hoare annotation was computed. [2020-09-21 12:09:18,092 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 356 364) no Hoare annotation was computed. [2020-09-21 12:09:18,092 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 356 364) no Hoare annotation was computed. [2020-09-21 12:09:18,092 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 312 323) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:09:18,092 INFO L268 CegarLoopResult]: For program point L316-1(lines 312 323) no Hoare annotation was computed. [2020-09-21 12:09:18,092 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 312 323) no Hoare annotation was computed. [2020-09-21 12:09:18,092 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:18,092 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:09:18,093 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:18,093 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 324 332) the Hoare annotation is: true [2020-09-21 12:09:18,093 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 324 332) no Hoare annotation was computed. [2020-09-21 12:09:18,093 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 324 332) no Hoare annotation was computed. [2020-09-21 12:09:18,093 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,093 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:09:18,093 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-09-21 12:09:18,093 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,094 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-09-21 12:09:18,094 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-09-21 12:09:18,094 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:18,094 INFO L268 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2020-09-21 12:09:18,094 INFO L271 CegarLoopResult]: At program point L833-1(lines 833 837) the Hoare annotation is: true [2020-09-21 12:09:18,094 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 819 848) no Hoare annotation was computed. [2020-09-21 12:09:18,094 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-09-21 12:09:18,094 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 819 848) the Hoare annotation is: true [2020-09-21 12:09:18,094 INFO L271 CegarLoopResult]: At program point L829-2(lines 829 843) the Hoare annotation is: true [2020-09-21 12:09:18,095 INFO L271 CegarLoopResult]: At program point L825(line 825) the Hoare annotation is: true [2020-09-21 12:09:18,095 INFO L268 CegarLoopResult]: For program point L825-1(line 825) no Hoare annotation was computed. [2020-09-21 12:09:18,095 INFO L271 CegarLoopResult]: At program point L844(lines 819 848) the Hoare annotation is: true [2020-09-21 12:09:18,095 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-09-21 12:09:18,095 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 288 299) the Hoare annotation is: true [2020-09-21 12:09:18,095 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 288 299) no Hoare annotation was computed. [2020-09-21 12:09:18,095 INFO L268 CegarLoopResult]: For program point L292-1(lines 288 299) no Hoare annotation was computed. [2020-09-21 12:09:18,096 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 873 879) no Hoare annotation was computed. [2020-09-21 12:09:18,096 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 873 879) the Hoare annotation is: true [2020-09-21 12:09:18,096 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:18,096 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:09:18,096 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:09:18,096 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:18,096 INFO L268 CegarLoopResult]: For program point L304-1(lines 300 311) no Hoare annotation was computed. [2020-09-21 12:09:18,096 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 300 311) no Hoare annotation was computed. [2020-09-21 12:09:18,097 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 300 311) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:09:18,097 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 366 373) no Hoare annotation was computed. [2020-09-21 12:09:18,097 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2020-09-21 12:09:18,097 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 366 373) the Hoare annotation is: true [2020-09-21 12:09:18,097 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 366 373) no Hoare annotation was computed. [2020-09-21 12:09:18,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:09:18 BoogieIcfgContainer [2020-09-21 12:09:18,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:09:18,118 INFO L168 Benchmark]: Toolchain (without parser) took 34803.55 ms. Allocated memory was 138.9 MB in the beginning and 592.4 MB in the end (delta: 453.5 MB). Free memory was 101.1 MB in the beginning and 144.7 MB in the end (delta: -43.6 MB). Peak memory consumption was 431.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:18,119 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:09:18,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.14 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 170.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:18,121 INFO L168 Benchmark]: Boogie Preprocessor took 98.63 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 166.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:18,122 INFO L168 Benchmark]: RCFGBuilder took 1302.83 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.5 MB in the beginning and 199.9 MB in the end (delta: -33.4 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:18,123 INFO L168 Benchmark]: TraceAbstraction took 32714.12 ms. Allocated memory was 234.9 MB in the beginning and 592.4 MB in the end (delta: 357.6 MB). Free memory was 198.5 MB in the beginning and 144.7 MB in the end (delta: 53.8 MB). Peak memory consumption was 433.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:18,126 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.14 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 170.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.63 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 166.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1302.83 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.5 MB in the beginning and 199.9 MB in the end (delta: -33.4 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32714.12 ms. Allocated memory was 234.9 MB in the beginning and 592.4 MB in the end (delta: 357.6 MB). Free memory was 198.5 MB in the beginning and 144.7 MB in the end (delta: 53.8 MB). Peak memory consumption was 433.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 370]: 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: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 377 SDtfs, 505 SDslu, 250 SDs, 0 SdLazy, 947 SolverSat, 347 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=3, 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, 4 MinimizatonAttempts, 109 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 238 PreInvPairs, 268 NumberOfFragments, 666 HoareAnnotationTreeSize, 238 FomulaSimplifications, 25633 FormulaSimplificationTreeSizeReduction, 10.8s HoareSimplificationTime, 53 FomulaSimplificationsInter, 7932 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 57793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...