/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_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:09:05,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:09:05,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:09:05,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:09:05,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:09:05,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:09:05,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:09:05,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:09:05,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:09:05,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:09:05,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:09:05,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:09:05,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:09:05,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:09:05,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:09:05,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:09:05,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:09:05,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:09:05,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:09:05,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:09:05,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:09:05,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:09:05,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:09:05,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:09:05,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:09:05,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:09:05,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:09:05,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:09:05,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:09:05,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:09:05,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:09:05,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:09:05,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:09:05,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:09:05,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:09:05,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:09:05,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:09:05,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:09:05,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:09:05,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:09:05,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:09:05,732 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 12:09:05,758 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:09:05,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:09:05,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:09:05,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:09:05,760 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:09:05,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:09:05,761 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:09:05,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:09:05,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:09:05,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:09:05,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:09:05,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:09:05,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:09:05,762 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:09:05,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:09:05,763 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:09:05,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:09:05,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:09:05,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:09:05,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:09:05,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:09:05,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:09:05,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:09:05,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:09:05,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:09:05,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:09:05,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:09:05,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:09:05,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:09:05,765 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 12:09:06,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:09:06,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:09:06,258 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:09:06,259 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:09:06,261 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:09:06,262 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2020-09-21 12:09:06,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2566d72f6/081b813424fd4bd9a8486c464da0cf55/FLAG2b5923cda [2020-09-21 12:09:06,985 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:09:06,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2020-09-21 12:09:07,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2566d72f6/081b813424fd4bd9a8486c464da0cf55/FLAG2b5923cda [2020-09-21 12:09:07,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2566d72f6/081b813424fd4bd9a8486c464da0cf55 [2020-09-21 12:09:07,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:09:07,242 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:09:07,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:07,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:09:07,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:09:07,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07, skipping insertion in model container [2020-09-21 12:09:07,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:09:07,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:09:07,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:07,783 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:09:07,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:07,945 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:09:07,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07 WrapperNode [2020-09-21 12:09:07,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:07,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:09:07,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:09:07,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:09:07,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:07,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:08,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:08,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:08,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (1/1) ... [2020-09-21 12:09:08,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:09:08,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:09:08,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:09:08,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:09:08,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (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 12:09:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:09:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:09:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:09:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:09:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:09:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:09:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:09:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:09:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:09:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:09:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:09:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:09:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:09:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:09:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:09:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:09:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:09:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:09:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:09:08,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:08,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:08,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:08,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:09:08,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:09:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:09:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:09:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:09:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:09:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:09:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:09:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:09:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:09:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:09:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:09:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:09:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:09:08,137 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:09:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:09:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:09:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:09:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:09:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:09:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:09:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:09:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:09:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:09:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:09:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:09:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:09:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:09:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:09:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:09:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:09:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:09:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:09:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:09:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:09:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:09:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:09:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:09:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:09:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:09:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:09:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:09:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:09:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:09:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:09:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:09:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:09:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:09:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:09:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:09:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:09:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:09:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:09:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:09:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:09:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:09:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:09:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:09:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:09:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:09:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:09:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:09:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:09:09,210 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:09:09,211 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:09:09,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:09 BoogieIcfgContainer [2020-09-21 12:09:09,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:09:09,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:09:09,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:09:09,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:09:09,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:09:07" (1/3) ... [2020-09-21 12:09:09,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3536029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:09, skipping insertion in model container [2020-09-21 12:09:09,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:07" (2/3) ... [2020-09-21 12:09:09,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3536029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:09, skipping insertion in model container [2020-09-21 12:09:09,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:09" (3/3) ... [2020-09-21 12:09:09,228 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product26.cil.c [2020-09-21 12:09:09,240 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:09:09,251 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:09:09,275 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:09:09,309 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:09:09,309 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:09:09,309 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:09:09,309 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:09:09,310 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:09:09,310 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:09:09,310 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:09:09,310 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:09:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-09-21 12:09:09,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:09:09,350 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:09,352 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 12:09:09,352 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:09,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:09,360 INFO L82 PathProgramCache]: Analyzing trace with hash -996229521, now seen corresponding path program 1 times [2020-09-21 12:09:09,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:09,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436966988] [2020-09-21 12:09:09,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:09,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:10,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:10,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:10,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:09:10,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:10,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1056 [2020-09-21 12:09:10,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:10,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:09:10,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:10,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 12:09:11,338 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:11,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:11,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 12:09:11,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:11,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:11,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:11,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:11,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:11,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:11,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:11,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:11,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:11,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:11,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:11,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:11,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:11,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:11,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:11,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:11,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:11,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:11,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:11,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:11,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:11,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:11,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:11,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:11,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:11,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:11,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:11,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:11,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:11,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:11,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:09:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:11,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:11,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:11,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:11,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:09:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:11,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:11,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:11,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:11,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:11,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:11,522 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 12:09:11,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436966988] [2020-09-21 12:09:11,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:11,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:09:11,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200747553] [2020-09-21 12:09:11,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:09:11,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:11,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:09:11,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:11,556 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2020-09-21 12:09:12,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:12,661 INFO L93 Difference]: Finished difference Result 256 states and 336 transitions. [2020-09-21 12:09:12,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:09:12,664 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:09:12,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:12,683 INFO L225 Difference]: With dead ends: 256 [2020-09-21 12:09:12,683 INFO L226 Difference]: Without dead ends: 144 [2020-09-21 12:09:12,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:12,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-09-21 12:09:12,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 113. [2020-09-21 12:09:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-09-21 12:09:12,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2020-09-21 12:09:12,840 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 51 [2020-09-21 12:09:12,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:12,841 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2020-09-21 12:09:12,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:09:12,841 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2020-09-21 12:09:12,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:09:12,848 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:12,848 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 12:09:12,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:09:12,849 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:12,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:12,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1040363227, now seen corresponding path program 1 times [2020-09-21 12:09:12,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:12,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709516678] [2020-09-21 12:09:12,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:12,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:13,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:13,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:09:13,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:13,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1030 [2020-09-21 12:09:13,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:13,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:13,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:09:13,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:09:13,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,313 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:14,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:14,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 12:09:14,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:14,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:14,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:14,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:14,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:14,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:14,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:14,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:14,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:14,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:14,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:14,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:09:14,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:14,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:14,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:14,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:14,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:14,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:14,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:14,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:14,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:14,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:09:14,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:09:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:14,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:14,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:14,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:09:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:14,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:09:14,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:14,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:14,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,499 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 12:09:14,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709516678] [2020-09-21 12:09:14,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:14,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:14,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668891019] [2020-09-21 12:09:14,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:14,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:14,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:14,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:14,507 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 5 states. [2020-09-21 12:09:14,957 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:15,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:15,675 INFO L93 Difference]: Finished difference Result 197 states and 243 transitions. [2020-09-21 12:09:15,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:09:15,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:09:15,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:15,679 INFO L225 Difference]: With dead ends: 197 [2020-09-21 12:09:15,679 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 12:09:15,681 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 12:09:15,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 12:09:15,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-09-21 12:09:15,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 12:09:15,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2020-09-21 12:09:15,728 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 52 [2020-09-21 12:09:15,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:15,728 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2020-09-21 12:09:15,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2020-09-21 12:09:15,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:09:15,738 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:15,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:09:15,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:09:15,739 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:15,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:15,739 INFO L82 PathProgramCache]: Analyzing trace with hash -542222879, now seen corresponding path program 1 times [2020-09-21 12:09:15,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:15,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768840760] [2020-09-21 12:09:15,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:15,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:09:16,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:16,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1032 [2020-09-21 12:09:16,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:09:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 12:09:16,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:17,272 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:17,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:17,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-21 12:09:17,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:17,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:09:17,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:17,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:17,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:17,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:17,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:17,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:17,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:17,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:17,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:17,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:17,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:17,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:17,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:17,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:09:17,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:17,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:17,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:17,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:17,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:17,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:17,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:17,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:17,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:17,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:17,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:17,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:17,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:17,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:09:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:17,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:17,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:17,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:17,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:17,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:17,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 12:09:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:17,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:17,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:17,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:17,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:17,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:17,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:17,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:17,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:17,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:17,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:17,552 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 12:09:17,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768840760] [2020-09-21 12:09:17,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:17,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:17,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113581604] [2020-09-21 12:09:17,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:17,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:17,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:17,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:17,557 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand 5 states. [2020-09-21 12:09:17,928 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:18,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:18,835 INFO L93 Difference]: Finished difference Result 210 states and 262 transitions. [2020-09-21 12:09:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:09:18,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 12:09:18,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:18,839 INFO L225 Difference]: With dead ends: 210 [2020-09-21 12:09:18,839 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 12:09:18,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:09:18,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 12:09:18,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-09-21 12:09:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 12:09:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2020-09-21 12:09:18,870 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 57 [2020-09-21 12:09:18,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:18,871 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2020-09-21 12:09:18,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2020-09-21 12:09:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 12:09:18,872 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:18,872 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:09:18,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:09:18,873 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:18,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:18,873 INFO L82 PathProgramCache]: Analyzing trace with hash -975500264, now seen corresponding path program 1 times [2020-09-21 12:09:18,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:18,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155949183] [2020-09-21 12:09:18,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:18,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:19,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:19,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 12:09:19,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:19,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1016 [2020-09-21 12:09:19,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:19,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:09:19,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:19,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 12:09:19,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,255 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:20,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-21 12:09:20,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:20,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:09:20,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:20,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:20,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:20,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:20,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:20,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:20,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:20,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:09:20,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:20,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:20,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:20,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:20,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:20,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:20,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:20,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:09:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:09:20,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:20,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:20,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:09:20,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:20,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:09:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:20,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:20,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:09:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:09:20,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:09:20,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:20,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 12:09:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:20,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,547 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 12:09:20,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155949183] [2020-09-21 12:09:20,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:20,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:09:20,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849451757] [2020-09-21 12:09:20,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:09:20,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:20,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:09:20,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:09:20,550 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 9 states. [2020-09-21 12:09:21,096 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:22,337 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:22,735 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:23,077 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:23,478 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:24,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:24,535 INFO L93 Difference]: Finished difference Result 324 states and 430 transitions. [2020-09-21 12:09:24,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 12:09:24,536 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-09-21 12:09:24,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:24,544 INFO L225 Difference]: With dead ends: 324 [2020-09-21 12:09:24,544 INFO L226 Difference]: Without dead ends: 248 [2020-09-21 12:09:24,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 12:09:24,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-21 12:09:24,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 170. [2020-09-21 12:09:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-09-21 12:09:24,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 196 transitions. [2020-09-21 12:09:24,634 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 196 transitions. Word has length 65 [2020-09-21 12:09:24,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:24,635 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 196 transitions. [2020-09-21 12:09:24,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:09:24,635 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 196 transitions. [2020-09-21 12:09:24,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 12:09:24,637 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:24,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:09:24,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:09:24,638 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:24,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:24,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1832666876, now seen corresponding path program 1 times [2020-09-21 12:09:24,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:24,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545970227] [2020-09-21 12:09:24,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:24,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:25,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:25,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:25,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:25,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 12:09:25,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:09:25,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1030 [2020-09-21 12:09:25,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:25,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:09:25,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-09-21 12:09:25,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 12:09:25,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:26,074 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:26,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:26,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 12:09:26,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:26,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:26,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:26,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:26,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:26,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:26,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:26,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:26,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:26,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:26,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:26,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 12:09:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:26,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:26,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:09:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:09:26,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:09:26,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:09:26,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:09:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:26,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:26,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:26,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:26,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 12:09:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:26,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:26,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:26,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:26,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 12:09:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:26,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:09:26,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:09:26,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:26,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,347 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 12:09:26,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545970227] [2020-09-21 12:09:26,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:26,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 12:09:26,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879834761] [2020-09-21 12:09:26,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:09:26,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:26,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:09:26,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:09:26,350 INFO L87 Difference]: Start difference. First operand 170 states and 196 transitions. Second operand 10 states. [2020-09-21 12:09:26,748 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:27,746 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:28,096 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:28,395 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:28,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:28,657 INFO L93 Difference]: Finished difference Result 309 states and 390 transitions. [2020-09-21 12:09:28,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:09:28,660 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-09-21 12:09:28,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:28,661 INFO L225 Difference]: With dead ends: 309 [2020-09-21 12:09:28,661 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:09:28,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-21 12:09:28,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:09:28,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:09:28,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:09:28,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:09:28,668 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-09-21 12:09:28,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:28,668 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:09:28,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:09:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:09:28,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:09:28,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:09:28,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:09:28,879 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,049 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,212 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:29,382 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,551 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,714 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:29,879 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:30,045 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:30,512 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 12 [2020-09-21 12:09:30,965 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 12 [2020-09-21 12:09:31,134 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:31,292 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:31,451 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:31,603 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:31,758 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:31,916 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:32,061 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:32,343 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 12:09:32,626 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 12:09:32,924 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 12:09:33,266 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 12:09:33,542 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 12:09:33,881 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 12:09:34,039 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:34,201 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:34,359 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:34,521 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:34,674 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:34,831 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:34,984 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:35,142 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:35,295 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:35,455 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:35,612 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:35,770 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:35,928 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:36,085 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:36,243 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:36,404 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:36,561 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:36,714 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:36,871 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:37,208 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 12 [2020-09-21 12:09:37,386 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:37,538 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:37,696 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:37,853 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:38,011 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:38,297 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 12:09:38,573 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 12:09:38,852 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 12:09:39,209 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 12:09:39,489 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 12:09:39,846 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 12:09:40,190 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 13 [2020-09-21 12:09:40,349 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:40,506 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:40,672 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:40,825 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:40,981 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:41,328 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 13 [2020-09-21 12:09:41,484 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:41,642 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:41,800 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:41,966 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:42,122 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:42,421 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:42,868 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-09-21 12:09:43,104 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:43,299 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:43,533 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:09:44,062 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-21 12:09:44,321 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:44,781 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 12:09:45,020 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:45,465 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 12:09:45,908 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-09-21 12:09:46,341 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 12:09:46,873 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-09-21 12:09:47,104 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:47,349 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:47,580 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:48,021 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 12:09:48,263 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-09-21 12:09:48,491 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:48,708 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 12:09:48,942 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-09-21 12:09:49,297 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 12:09:49,690 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 12:09:49,694 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-09-21 12:09:49,695 INFO L268 CegarLoopResult]: For program point L407-1(lines 407 411) no Hoare annotation was computed. [2020-09-21 12:09:49,695 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 376 431) no Hoare annotation was computed. [2020-09-21 12:09:49,695 INFO L268 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-09-21 12:09:49,695 INFO L268 CegarLoopResult]: For program point L401-2(lines 401 422) no Hoare annotation was computed. [2020-09-21 12:09:49,695 INFO L268 CegarLoopResult]: For program point L423(lines 400 424) no Hoare annotation was computed. [2020-09-21 12:09:49,696 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 376 431) no Hoare annotation was computed. [2020-09-21 12:09:49,696 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 376 431) no Hoare annotation was computed. [2020-09-21 12:09:49,696 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-09-21 12:09:49,696 INFO L268 CegarLoopResult]: For program point L477-1(line 477) no Hoare annotation was computed. [2020-09-21 12:09:49,696 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 432 491) no Hoare annotation was computed. [2020-09-21 12:09:49,697 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-09-21 12:09:49,697 INFO L268 CegarLoopResult]: For program point L464-1(lines 464 468) no Hoare annotation was computed. [2020-09-21 12:09:49,697 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 432 491) no Hoare annotation was computed. [2020-09-21 12:09:49,697 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-09-21 12:09:49,697 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 432 491) no Hoare annotation was computed. [2020-09-21 12:09:49,697 INFO L268 CegarLoopResult]: For program point L458-2(lines 458 483) no Hoare annotation was computed. [2020-09-21 12:09:49,697 INFO L268 CegarLoopResult]: For program point L484(lines 457 485) no Hoare annotation was computed. [2020-09-21 12:09:49,697 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-09-21 12:09:49,698 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-09-21 12:09:49,698 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-09-21 12:09:49,698 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-09-21 12:09:49,698 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-09-21 12:09:49,698 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 198 220) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,698 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 198 220) no Hoare annotation was computed. [2020-09-21 12:09:49,698 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,699 INFO L264 CegarLoopResult]: At program point L210-1(line 210) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,699 INFO L268 CegarLoopResult]: For program point L208(lines 208 215) no Hoare annotation was computed. [2020-09-21 12:09:49,699 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 215) no Hoare annotation was computed. [2020-09-21 12:09:49,699 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-09-21 12:09:49,699 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,699 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 198 220) no Hoare annotation was computed. [2020-09-21 12:09:49,700 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,700 INFO L264 CegarLoopResult]: At program point L204-1(line 204) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,700 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-09-21 12:09:49,700 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 12:09:49,700 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 155 178) no Hoare annotation was computed. [2020-09-21 12:09:49,701 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 155 178) no Hoare annotation was computed. [2020-09-21 12:09:49,701 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 155 178) no Hoare annotation was computed. [2020-09-21 12:09:49,701 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-09-21 12:09:49,701 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 12:09:49,701 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-21 12:09:49,701 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-21 12:09:49,701 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 12:09:49,701 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-09-21 12:09:49,701 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-09-21 12:09:49,702 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 12:09:49,702 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-09-21 12:09:49,702 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-09-21 12:09:49,702 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 12:09:49,702 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-09-21 12:09:49,702 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 798 806) no Hoare annotation was computed. [2020-09-21 12:09:49,702 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 798 806) the Hoare annotation is: true [2020-09-21 12:09:49,702 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 798 806) no Hoare annotation was computed. [2020-09-21 12:09:49,702 INFO L268 CegarLoopResult]: For program point L850-1(line 850) no Hoare annotation was computed. [2020-09-21 12:09:49,702 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 843 861) the Hoare annotation is: true [2020-09-21 12:09:49,703 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 843 861) no Hoare annotation was computed. [2020-09-21 12:09:49,703 INFO L268 CegarLoopResult]: For program point L852(lines 852 856) no Hoare annotation was computed. [2020-09-21 12:09:49,703 INFO L271 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: true [2020-09-21 12:09:49,703 INFO L268 CegarLoopResult]: For program point L852-2(lines 852 856) no Hoare annotation was computed. [2020-09-21 12:09:49,703 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 843 861) no Hoare annotation was computed. [2020-09-21 12:09:49,703 INFO L268 CegarLoopResult]: For program point L826(lines 826 834) no Hoare annotation was computed. [2020-09-21 12:09:49,703 INFO L268 CegarLoopResult]: For program point L826-2(lines 826 834) no Hoare annotation was computed. [2020-09-21 12:09:49,703 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 807 842) no Hoare annotation was computed. [2020-09-21 12:09:49,703 INFO L268 CegarLoopResult]: For program point L814(lines 814 822) no Hoare annotation was computed. [2020-09-21 12:09:49,703 INFO L268 CegarLoopResult]: For program point L814-2(lines 814 822) no Hoare annotation was computed. [2020-09-21 12:09:49,703 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 807 842) no Hoare annotation was computed. [2020-09-21 12:09:49,703 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-09-21 12:09:49,704 INFO L268 CegarLoopResult]: For program point L837-1(line 837) no Hoare annotation was computed. [2020-09-21 12:09:49,704 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 807 842) no Hoare annotation was computed. [2020-09-21 12:09:49,704 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-09-21 12:09:49,704 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-09-21 12:09:49,704 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 330 375) no Hoare annotation was computed. [2020-09-21 12:09:49,704 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 330 375) no Hoare annotation was computed. [2020-09-21 12:09:49,704 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 330 375) no Hoare annotation was computed. [2020-09-21 12:09:49,704 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 643 688) no Hoare annotation was computed. [2020-09-21 12:09:49,704 INFO L268 CegarLoopResult]: For program point L663(lines 663 670) no Hoare annotation was computed. [2020-09-21 12:09:49,704 INFO L268 CegarLoopResult]: For program point L657(lines 657 677) no Hoare annotation was computed. [2020-09-21 12:09:49,704 INFO L268 CegarLoopResult]: For program point L657-1(lines 657 677) no Hoare annotation was computed. [2020-09-21 12:09:49,704 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 643 688) no Hoare annotation was computed. [2020-09-21 12:09:49,704 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 643 688) no Hoare annotation was computed. [2020-09-21 12:09:49,705 INFO L264 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:09:49,705 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 187 197) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,705 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 187 197) no Hoare annotation was computed. [2020-09-21 12:09:49,705 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 187 197) no Hoare annotation was computed. [2020-09-21 12:09:49,705 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 787 797) no Hoare annotation was computed. [2020-09-21 12:09:49,705 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 787 797) no Hoare annotation was computed. [2020-09-21 12:09:49,705 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-09-21 12:09:49,705 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-09-21 12:09:49,705 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 787 797) no Hoare annotation was computed. [2020-09-21 12:09:49,705 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 779 786) the Hoare annotation is: true [2020-09-21 12:09:49,705 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 779 786) no Hoare annotation was computed. [2020-09-21 12:09:49,705 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 779 786) no Hoare annotation was computed. [2020-09-21 12:09:49,706 INFO L268 CegarLoopResult]: For program point L736(lines 736 744) no Hoare annotation was computed. [2020-09-21 12:09:49,706 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:49,706 INFO L268 CegarLoopResult]: For program point L734-1(line 734) no Hoare annotation was computed. [2020-09-21 12:09:49,706 INFO L268 CegarLoopResult]: For program point L732(lines 732 749) no Hoare annotation was computed. [2020-09-21 12:09:49,706 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 728 752) no Hoare annotation was computed. [2020-09-21 12:09:49,706 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 728 752) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:49,706 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:49,706 INFO L268 CegarLoopResult]: For program point L747-1(lines 728 752) no Hoare annotation was computed. [2020-09-21 12:09:49,706 INFO L264 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:49,707 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:49,707 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 720 726) no Hoare annotation was computed. [2020-09-21 12:09:49,707 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 720 726) the Hoare annotation is: true [2020-09-21 12:09:49,707 INFO L264 CegarLoopResult]: At program point L929(lines 880 930) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,707 INFO L264 CegarLoopResult]: At program point testENTRY(lines 871 936) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,707 INFO L268 CegarLoopResult]: For program point L919(lines 919 923) no Hoare annotation was computed. [2020-09-21 12:09:49,707 INFO L268 CegarLoopResult]: For program point testFINAL(lines 871 936) no Hoare annotation was computed. [2020-09-21 12:09:49,707 INFO L264 CegarLoopResult]: At program point L919-2(lines 911 924) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,707 INFO L268 CegarLoopResult]: For program point L882(lines 881 928) no Hoare annotation was computed. [2020-09-21 12:09:49,707 INFO L264 CegarLoopResult]: At program point L913(line 913) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,707 INFO L268 CegarLoopResult]: For program point L911(lines 911 924) no Hoare annotation was computed. [2020-09-21 12:09:49,708 INFO L264 CegarLoopResult]: At program point L903(line 903) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,708 INFO L268 CegarLoopResult]: For program point L901(lines 901 907) no Hoare annotation was computed. [2020-09-21 12:09:49,708 INFO L268 CegarLoopResult]: For program point L901-1(lines 901 907) no Hoare annotation was computed. [2020-09-21 12:09:49,708 INFO L264 CegarLoopResult]: At program point L926(lines 881 928) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,708 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:49,708 INFO L268 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-09-21 12:09:49,708 INFO L268 CegarLoopResult]: For program point L891-1(lines 891 897) no Hoare annotation was computed. [2020-09-21 12:09:49,708 INFO L268 CegarLoopResult]: For program point L883(lines 883 887) no Hoare annotation was computed. [2020-09-21 12:09:49,708 INFO L268 CegarLoopResult]: For program point testEXIT(lines 871 936) no Hoare annotation was computed. [2020-09-21 12:09:49,708 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 597 642) no Hoare annotation was computed. [2020-09-21 12:09:49,708 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 597 642) no Hoare annotation was computed. [2020-09-21 12:09:49,708 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 597 642) no Hoare annotation was computed. [2020-09-21 12:09:49,708 INFO L268 CegarLoopResult]: For program point L617(lines 617 624) no Hoare annotation was computed. [2020-09-21 12:09:49,709 INFO L268 CegarLoopResult]: For program point L611(lines 611 631) no Hoare annotation was computed. [2020-09-21 12:09:49,709 INFO L268 CegarLoopResult]: For program point L611-1(lines 611 631) no Hoare annotation was computed. [2020-09-21 12:09:49,709 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 753 760) no Hoare annotation was computed. [2020-09-21 12:09:49,709 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 753 760) no Hoare annotation was computed. [2020-09-21 12:09:49,709 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 753 760) no Hoare annotation was computed. [2020-09-21 12:09:49,709 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 305 313) no Hoare annotation was computed. [2020-09-21 12:09:49,709 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 305 313) the Hoare annotation is: true [2020-09-21 12:09:49,709 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 305 313) no Hoare annotation was computed. [2020-09-21 12:09:49,709 INFO L268 CegarLoopResult]: For program point L98-1(lines 90 118) no Hoare annotation was computed. [2020-09-21 12:09:49,709 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:49,709 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-09-21 12:09:49,709 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 90 118) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:49,709 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:49,710 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-09-21 12:09:49,710 INFO L268 CegarLoopResult]: For program point L102(lines 102 112) no Hoare annotation was computed. [2020-09-21 12:09:49,710 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-09-21 12:09:49,710 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 90 118) no Hoare annotation was computed. [2020-09-21 12:09:49,710 INFO L268 CegarLoopResult]: For program point L100-1(line 100) no Hoare annotation was computed. [2020-09-21 12:09:49,710 INFO L268 CegarLoopResult]: For program point L98(lines 98 115) no Hoare annotation was computed. [2020-09-21 12:09:49,710 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 82 89) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:49,710 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 82 89) no Hoare annotation was computed. [2020-09-21 12:09:49,710 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 82 89) no Hoare annotation was computed. [2020-09-21 12:09:49,710 INFO L268 CegarLoopResult]: For program point L281(lines 281 289) no Hoare annotation was computed. [2020-09-21 12:09:49,710 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 273 295) no Hoare annotation was computed. [2020-09-21 12:09:49,710 INFO L268 CegarLoopResult]: For program point L281-2(lines 281 289) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 273 295) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 273 295) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 494 596) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point L543-2(lines 543 563) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point L564(lines 542 565) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point L523(lines 523 539) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point L583(lines 583 590) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 494 596) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point L544(lines 543 563) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-09-21 12:09:49,711 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-09-21 12:09:49,712 INFO L268 CegarLoopResult]: For program point L540(lines 540 581) no Hoare annotation was computed. [2020-09-21 12:09:49,712 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 494 596) no Hoare annotation was computed. [2020-09-21 12:09:49,712 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 12:09:49,712 INFO L268 CegarLoopResult]: For program point L559-1(line 559) no Hoare annotation was computed. [2020-09-21 12:09:49,712 INFO L268 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2020-09-21 12:09:49,712 INFO L268 CegarLoopResult]: For program point L582(lines 582 593) no Hoare annotation was computed. [2020-09-21 12:09:49,712 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:49,713 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:09:49,713 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:49,713 INFO L268 CegarLoopResult]: For program point L769(lines 769 775) no Hoare annotation was computed. [2020-09-21 12:09:49,713 INFO L268 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-09-21 12:09:49,713 INFO L268 CegarLoopResult]: For program point L767-1(line 767) no Hoare annotation was computed. [2020-09-21 12:09:49,713 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 762 778) no Hoare annotation was computed. [2020-09-21 12:09:49,713 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 762 778) no Hoare annotation was computed. [2020-09-21 12:09:49,713 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-09-21 12:09:49,713 INFO L268 CegarLoopResult]: For program point L773-1(lines 762 778) no Hoare annotation was computed. [2020-09-21 12:09:49,713 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 296 304) no Hoare annotation was computed. [2020-09-21 12:09:49,713 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 296 304) no Hoare annotation was computed. [2020-09-21 12:09:49,714 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 296 304) no Hoare annotation was computed. [2020-09-21 12:09:49,714 INFO L268 CegarLoopResult]: For program point L256-1(lines 252 263) no Hoare annotation was computed. [2020-09-21 12:09:49,714 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 252 263) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:09:49,714 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 252 263) no Hoare annotation was computed. [2020-09-21 12:09:49,714 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:49,714 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:09:49,714 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:49,714 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 264 272) the Hoare annotation is: true [2020-09-21 12:09:49,714 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 264 272) no Hoare annotation was computed. [2020-09-21 12:09:49,714 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 264 272) no Hoare annotation was computed. [2020-09-21 12:09:49,714 INFO L264 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:49,714 INFO L268 CegarLoopResult]: For program point L700(lines 699 718) no Hoare annotation was computed. [2020-09-21 12:09:49,714 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 696 719) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:49,715 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 696 719) no Hoare annotation was computed. [2020-09-21 12:09:49,715 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 696 719) no Hoare annotation was computed. [2020-09-21 12:09:49,715 INFO L264 CegarLoopResult]: At program point L709(line 709) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:49,715 INFO L264 CegarLoopResult]: At program point L707(lines 707 713) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:49,715 INFO L271 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: true [2020-09-21 12:09:49,715 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 122 151) no Hoare annotation was computed. [2020-09-21 12:09:49,715 INFO L268 CegarLoopResult]: For program point L128-1(line 128) no Hoare annotation was computed. [2020-09-21 12:09:49,715 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 122 151) the Hoare annotation is: true [2020-09-21 12:09:49,715 INFO L271 CegarLoopResult]: At program point L147(lines 122 151) the Hoare annotation is: true [2020-09-21 12:09:49,715 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-09-21 12:09:49,716 INFO L268 CegarLoopResult]: For program point L136(lines 136 140) no Hoare annotation was computed. [2020-09-21 12:09:49,716 INFO L271 CegarLoopResult]: At program point L136-1(lines 136 140) the Hoare annotation is: true [2020-09-21 12:09:49,716 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 12:09:49,716 INFO L271 CegarLoopResult]: At program point L132-2(lines 132 146) the Hoare annotation is: true [2020-09-21 12:09:49,716 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 228 239) the Hoare annotation is: true [2020-09-21 12:09:49,716 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 228 239) no Hoare annotation was computed. [2020-09-21 12:09:49,716 INFO L268 CegarLoopResult]: For program point L232-1(lines 228 239) no Hoare annotation was computed. [2020-09-21 12:09:49,716 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 179 185) no Hoare annotation was computed. [2020-09-21 12:09:49,717 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 179 185) the Hoare annotation is: true [2020-09-21 12:09:49,717 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:49,717 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 12:09:49,717 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:09:49,717 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:49,717 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 862 869) no Hoare annotation was computed. [2020-09-21 12:09:49,717 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 862 869) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 12:09:49,717 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 862 869) no Hoare annotation was computed. [2020-09-21 12:09:49,717 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 240 251) no Hoare annotation was computed. [2020-09-21 12:09:49,718 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 240 251) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:49,718 INFO L268 CegarLoopResult]: For program point L244-1(lines 240 251) no Hoare annotation was computed. [2020-09-21 12:09:49,718 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 315 322) no Hoare annotation was computed. [2020-09-21 12:09:49,718 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2020-09-21 12:09:49,718 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 315 322) the Hoare annotation is: true [2020-09-21 12:09:49,718 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 315 322) no Hoare annotation was computed. [2020-09-21 12:09:49,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:09:49 BoogieIcfgContainer [2020-09-21 12:09:49,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:09:49,738 INFO L168 Benchmark]: Toolchain (without parser) took 42500.09 ms. Allocated memory was 138.9 MB in the beginning and 656.9 MB in the end (delta: 518.0 MB). Free memory was 101.0 MB in the beginning and 345.2 MB in the end (delta: -244.2 MB). Peak memory consumption was 505.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:49,739 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:09:49,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.86 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 172.2 MB in the end (delta: -71.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:49,740 INFO L168 Benchmark]: Boogie Preprocessor took 102.67 ms. Allocated memory is still 202.4 MB. Free memory was 172.2 MB in the beginning and 168.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:49,741 INFO L168 Benchmark]: RCFGBuilder took 1167.79 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 168.0 MB in the beginning and 198.3 MB in the end (delta: -30.3 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:49,742 INFO L168 Benchmark]: TraceAbstraction took 40516.15 ms. Allocated memory was 234.9 MB in the beginning and 656.9 MB in the end (delta: 422.1 MB). Free memory was 198.3 MB in the beginning and 345.2 MB in the end (delta: -146.9 MB). Peak memory consumption was 507.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:49,745 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.86 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 172.2 MB in the end (delta: -71.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.67 ms. Allocated memory is still 202.4 MB. Free memory was 172.2 MB in the beginning and 168.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1167.79 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 168.0 MB in the beginning and 198.3 MB in the end (delta: -30.3 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40516.15 ms. Allocated memory was 234.9 MB in the beginning and 656.9 MB in the end (delta: 422.1 MB). Free memory was 198.3 MB in the beginning and 345.2 MB in the end (delta: -146.9 MB). Peak memory consumption was 507.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 319]: 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: 881]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 456 SDtfs, 776 SDslu, 348 SDs, 0 SdLazy, 1522 SolverSat, 542 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 169 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 258 PreInvPairs, 296 NumberOfFragments, 827 HoareAnnotationTreeSize, 258 FomulaSimplifications, 110361 FormulaSimplificationTreeSizeReduction, 13.4s HoareSimplificationTime, 53 FomulaSimplificationsInter, 7748 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 80925 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...