/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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:52:39,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:52:39,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:52:39,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:52:39,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:52:39,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:52:39,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:52:39,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:52:39,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:52:39,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:52:39,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:52:39,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:52:39,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:52:39,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:52:39,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:52:39,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:52:39,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:52:39,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:52:39,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:52:39,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:52:39,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:52:39,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:52:39,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:52:39,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:52:39,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:52:39,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:52:39,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:52:39,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:52:39,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:52:39,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:52:39,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:52:39,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:52:39,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:52:39,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:52:39,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:52:39,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:52:39,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:52:39,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:52:39,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:52:39,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:52:39,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:52:39,568 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 [2020-10-13 12:52:39,609 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:52:39,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:52:39,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:52:39,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:52:39,612 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:52:39,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:52:39,613 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:52:39,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:52:39,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:52:39,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:52:39,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:52:39,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:52:39,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:52:39,615 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:52:39,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:52:39,615 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:52:39,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:52:39,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:52:39,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:52:39,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:52:39,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:52:39,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:52:39,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:52:39,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:52:39,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:52:39,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:52:39,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:52:39,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:52:39,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:52:39,618 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.rcfgbuilder: Size of a code block -> SequenceOfStatements 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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:52:39,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:52:39,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:52:39,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:52:39,922 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:52:39,923 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:52:39,924 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-10-13 12:52:39,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35020d1a5/1dc3be3851264872a11398b1383e1d01/FLAG5b5580e9b [2020-10-13 12:52:40,543 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:52:40,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-10-13 12:52:40,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35020d1a5/1dc3be3851264872a11398b1383e1d01/FLAG5b5580e9b [2020-10-13 12:52:40,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35020d1a5/1dc3be3851264872a11398b1383e1d01 [2020-10-13 12:52:40,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:52:40,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:52:40,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:52:40,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:52:40,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:52:40,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:40" (1/1) ... [2020-10-13 12:52:40,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b0c8ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:40, skipping insertion in model container [2020-10-13 12:52:40,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:40" (1/1) ... [2020-10-13 12:52:40,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:52:40,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:52:41,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:52:41,428 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:52:41,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:52:41,574 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:52:41,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:41 WrapperNode [2020-10-13 12:52:41,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:52:41,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:52:41,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:52:41,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:52:41,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:41" (1/1) ... [2020-10-13 12:52:41,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:41" (1/1) ... [2020-10-13 12:52:41,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:41" (1/1) ... [2020-10-13 12:52:41,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:41" (1/1) ... [2020-10-13 12:52:41,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:41" (1/1) ... [2020-10-13 12:52:41,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:41" (1/1) ... [2020-10-13 12:52:41,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:41" (1/1) ... [2020-10-13 12:52:41,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:52:41,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:52:41,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:52:41,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:52:41,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:41" (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 [2020-10-13 12:52:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:52:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:52:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:52:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:52:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:52:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:52:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:52:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:52:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:52:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:52:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:52:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:52:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:52:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:52:41,747 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-13 12:52:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:52:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:52:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:52:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:52:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:52:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:52:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:52:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:52:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:52:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:52:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:52:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:52:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:52:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:52:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:52:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:52:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:52:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:52:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:52:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:52:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:52:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:52:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:52:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:52:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:52:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:52:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:52:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:52:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:52:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:52:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:52:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:52:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:52:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:52:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:52:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:52:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:52:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:52:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:52:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:52:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:52:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:52:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:52:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:52:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:52:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:52:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:52:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:52:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:52:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:52:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:52:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:52:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:52:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:52:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:52:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:52:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-13 12:52:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:52:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:52:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:52:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:52:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:52:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:52:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:52:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:52:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:52:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:52:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:52:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:52:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:52:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:52:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:52:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:52:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:52:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:52:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:52:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:52:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:52:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:52:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:52:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:52:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:52:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:52:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:52:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:52:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:52:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:52:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:52:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:52:42,894 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:52:42,895 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:52:42,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:42 BoogieIcfgContainer [2020-10-13 12:52:42,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:52:42,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:52:42,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:52:42,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:52:42,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:52:40" (1/3) ... [2020-10-13 12:52:42,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b9e4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:42, skipping insertion in model container [2020-10-13 12:52:42,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:41" (2/3) ... [2020-10-13 12:52:42,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b9e4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:42, skipping insertion in model container [2020-10-13 12:52:42,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:42" (3/3) ... [2020-10-13 12:52:42,914 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-10-13 12:52:42,924 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:52:42,934 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:52:42,946 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:52:42,966 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:52:42,967 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:52:42,967 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:52:42,967 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:52:42,967 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:52:42,968 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:52:42,968 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:52:42,968 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:52:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-10-13 12:52:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 12:52:43,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:52:43,003 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:52:43,003 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:52:43,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:52:43,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1747867680, now seen corresponding path program 1 times [2020-10-13 12:52:43,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:52:43,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1325678097] [2020-10-13 12:52:43,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:52:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:43,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:43,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:44,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:44,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:45,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:47,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:47,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 12:52:47,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:52:47,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4099 [2020-10-13 12:52:47,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 12:52:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:47,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:52:47,774 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:52:47,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:47,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:47,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:47,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:47,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:47,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 12:52:47,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:47,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:47,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:47,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:47,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:52:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:47,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:47,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:47,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:47,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:47,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:47,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:47,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:47,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:47,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:47,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:52:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:47,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:47,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:47,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:47,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:47,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:47,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:47,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:47,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:47,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:52:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:47,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:47,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:47,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:47,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:47,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:47,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:47,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:47,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:47,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:52:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:47,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:47,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:47,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:47,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:47,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:47,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:47,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:47,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:47,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:47,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:47,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:52:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:47,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:47,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:47,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:47,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:47,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:47,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:47,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:47,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:47,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:47,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:47,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:52:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:47,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:47,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:47,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:52:47,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:47,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:47,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:47,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:47,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:52:47,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:47,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:47,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:47,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:47,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:47,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:47,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:47,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:47,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:47,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:47,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:47,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:47,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:47,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:52:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:47,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:47,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:47,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:47,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:47,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:47,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:47,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:47,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:47,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:47,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:52:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:47,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:47,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:47,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:47,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:47,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:52:47,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:47,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:47,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:47,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:52:47,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:52:47,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1325678097] [2020-10-13 12:52:47,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:52:47,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:52:47,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308676609] [2020-10-13 12:52:47,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:52:47,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:52:47,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:52:47,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:52:47,992 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 4 states. [2020-10-13 12:52:49,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:52:49,398 INFO L93 Difference]: Finished difference Result 366 states and 469 transitions. [2020-10-13 12:52:49,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 12:52:49,400 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-10-13 12:52:49,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:52:49,421 INFO L225 Difference]: With dead ends: 366 [2020-10-13 12:52:49,421 INFO L226 Difference]: Without dead ends: 201 [2020-10-13 12:52:49,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:52:49,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-10-13 12:52:49,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 166. [2020-10-13 12:52:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-13 12:52:49,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 196 transitions. [2020-10-13 12:52:49,559 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 196 transitions. Word has length 59 [2020-10-13 12:52:49,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:52:49,560 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 196 transitions. [2020-10-13 12:52:49,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:52:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions. [2020-10-13 12:52:49,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 12:52:49,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:52:49,564 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:52:49,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:52:49,565 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:52:49,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:52:49,565 INFO L82 PathProgramCache]: Analyzing trace with hash 2102602730, now seen corresponding path program 1 times [2020-10-13 12:52:49,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:52:49,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342956431] [2020-10-13 12:52:49,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:52:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:49,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:49,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:50,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:50,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:51,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:54,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:54,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 12:52:54,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:52:54,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 12:52:54,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:54,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:54,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 12:52:54,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:52:54,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:54,912 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:52:54,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:54,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:54,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:54,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:54,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:54,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 12:52:54,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:54,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:54,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:52:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:54,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:54,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:54,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:54,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:54,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:54,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:54,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:52:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:54,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:54,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:54,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:54,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:54,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:54,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:54,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:55,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:55,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:52:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:55,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:55,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:55,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:52:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:55,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:55,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:55,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:55,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:52:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:55,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:55,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:55,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:55,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:55,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:52:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:52:55,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:52:55,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:52:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:55,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:55,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:55,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:55,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:52:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:55,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:55,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:55,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:55,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 12:52:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:55,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:55,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:55,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:55,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:55,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:55,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:55,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:52:55,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342956431] [2020-10-13 12:52:55,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:52:55,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:52:55,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261040251] [2020-10-13 12:52:55,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:52:55,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:52:55,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:52:55,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:52:55,078 INFO L87 Difference]: Start difference. First operand 166 states and 196 transitions. Second operand 5 states. [2020-10-13 12:52:55,619 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:52:56,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:52:56,740 INFO L93 Difference]: Finished difference Result 301 states and 369 transitions. [2020-10-13 12:52:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:52:56,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-10-13 12:52:56,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:52:56,748 INFO L225 Difference]: With dead ends: 301 [2020-10-13 12:52:56,749 INFO L226 Difference]: Without dead ends: 191 [2020-10-13 12:52:56,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:52:56,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-10-13 12:52:56,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 157. [2020-10-13 12:52:56,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-10-13 12:52:56,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 184 transitions. [2020-10-13 12:52:56,832 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 184 transitions. Word has length 60 [2020-10-13 12:52:56,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:52:56,833 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 184 transitions. [2020-10-13 12:52:56,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:52:56,833 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 184 transitions. [2020-10-13 12:52:56,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 12:52:56,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:52:56,842 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:52:56,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:52:56,843 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:52:56,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:52:56,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1388581610, now seen corresponding path program 1 times [2020-10-13 12:52:56,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:52:56,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872680293] [2020-10-13 12:52:56,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:52:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:56,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:57,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:57,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:57,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:59,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:59,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 12:52:59,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:52:59,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2683 [2020-10-13 12:52:59,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:59,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:52:59,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-13 12:52:59,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:52:59,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:59,878 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:52:59,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:59,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:59,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:59,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:59,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:59,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 12:52:59,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:59,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:59,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:59,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:59,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:59,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:52:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:59,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:59,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:59,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:59,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:59,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:59,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:59,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:59,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:59,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:52:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:59,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:59,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:59,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:59,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:59,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:59,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:59,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:59,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:59,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:59,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:59,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:52:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:59,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:59,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:59,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:59,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:59,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:59,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:59,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:59,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:59,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:59,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:59,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:52:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:59,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:59,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:59,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:59,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:59,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:59,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:59,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:59,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:59,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:59,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:59,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:52:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:59,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:59,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:59,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:59,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:59,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:59,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:59,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:59,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:52:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:59,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:59,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:59,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:52:59,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:59,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:59,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:59,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:59,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:59,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:59,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:59,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:59,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:59,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:59,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:59,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:59,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:59,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:59,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:59,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:59,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:59,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:52:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:59,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:59,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:59,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:59,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:59,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:59,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:59,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:59,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:59,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:59,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:59,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 12:52:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:59,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:59,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:59,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:59,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:59,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:52:59,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:52:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:59,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:59,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 12:53:00,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872680293] [2020-10-13 12:53:00,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:53:00,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:53:00,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538125504] [2020-10-13 12:53:00,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:53:00,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:53:00,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:53:00,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:53:00,009 INFO L87 Difference]: Start difference. First operand 157 states and 184 transitions. Second operand 8 states. [2020-10-13 12:53:00,436 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:53:01,150 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:53:01,968 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:53:02,252 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:53:02,811 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:53:03,061 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-13 12:53:03,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:53:03,665 INFO L93 Difference]: Finished difference Result 394 states and 501 transitions. [2020-10-13 12:53:03,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 12:53:03,666 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-10-13 12:53:03,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:53:03,671 INFO L225 Difference]: With dead ends: 394 [2020-10-13 12:53:03,672 INFO L226 Difference]: Without dead ends: 265 [2020-10-13 12:53:03,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:53:03,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-10-13 12:53:03,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 231. [2020-10-13 12:53:03,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-10-13 12:53:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 273 transitions. [2020-10-13 12:53:03,760 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 273 transitions. Word has length 65 [2020-10-13 12:53:03,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:53:03,763 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 273 transitions. [2020-10-13 12:53:03,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:53:03,763 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 273 transitions. [2020-10-13 12:53:03,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-13 12:53:03,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:53:03,770 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:53:03,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:53:03,770 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:53:03,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:53:03,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1621424268, now seen corresponding path program 1 times [2020-10-13 12:53:03,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:53:03,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228008234] [2020-10-13 12:53:03,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:53:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:03,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 12:53:04,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-10-13 12:53:04,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:53:04,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-13 12:53:04,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:53:04,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,336 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:53:04,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:04,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 12:53:04,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:04,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:04,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:04,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:53:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:04,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:04,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:04,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:04,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:04,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:53:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:04,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:04,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:04,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:04,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:04,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:53:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:04,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:04,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:04,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:04,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:04,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:53:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:04,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:04,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:04,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:04,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:04,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:53:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:04,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:04,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:04,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:04,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:04,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:53:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:53:04,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:04,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:04,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:04,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:04,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:04,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:04,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:04,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:04,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 12:53:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 12:53:04,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 12:53:04,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:53:04,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:53:04,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:53:04,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:53:04,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:53:04,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:53:04,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 12:53:04,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:53:04,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:53:04,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 12:53:04,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:53:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:53:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:53:04,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:53:04,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:53:04,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:53:04,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:04,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:53:04,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:53:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:53:04,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:04,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:04,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:04,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:04,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:53:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:04,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:04,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:53:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:04,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 12:53:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:04,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:04,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:04,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:53:04,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:04,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 12:53:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:04,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:04,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:04,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:04,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:04,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:04,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:04,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:04,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:53:04,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:04,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:53:04,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228008234] [2020-10-13 12:53:04,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:53:04,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:53:04,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809099586] [2020-10-13 12:53:04,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:53:04,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:53:04,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:53:04,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:53:04,662 INFO L87 Difference]: Start difference. First operand 231 states and 273 transitions. Second operand 9 states. [2020-10-13 12:53:05,820 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:53:06,067 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:53:06,326 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:53:06,591 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:53:07,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:53:07,480 INFO L93 Difference]: Finished difference Result 491 states and 619 transitions. [2020-10-13 12:53:07,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:53:07,481 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-10-13 12:53:07,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:53:07,485 INFO L225 Difference]: With dead ends: 491 [2020-10-13 12:53:07,485 INFO L226 Difference]: Without dead ends: 288 [2020-10-13 12:53:07,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:53:07,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-13 12:53:07,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 245. [2020-10-13 12:53:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-10-13 12:53:07,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 289 transitions. [2020-10-13 12:53:07,539 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 289 transitions. Word has length 98 [2020-10-13 12:53:07,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:53:07,540 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 289 transitions. [2020-10-13 12:53:07,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:53:07,540 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 289 transitions. [2020-10-13 12:53:07,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-13 12:53:07,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:53:07,541 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:53:07,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:53:07,542 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:53:07,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:53:07,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1693810826, now seen corresponding path program 1 times [2020-10-13 12:53:07,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:53:07,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234690592] [2020-10-13 12:53:07,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:53:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:07,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:07,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:07,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 12:53:07,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:07,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-13 12:53:07,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:07,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:53:07,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-13 12:53:07,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:07,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,005 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:53:08,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:08,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:53:08,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:08,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:53:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:08,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:08,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:08,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:53:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:08,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:08,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:08,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:08,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:08,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:53:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:08,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:08,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:08,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:08,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:08,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:53:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:08,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:08,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:08,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:53:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:08,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:08,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:08,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:08,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:08,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:53:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:53:08,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:08,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:08,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:08,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:08,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:08,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:08,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 12:53:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 12:53:08,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:53:08,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:53:08,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 12:53:08,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:08,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:53:08,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:53:08,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:53:08,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:53:08,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:08,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:53:08,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:53:08,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:53:08,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:53:08,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:08,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:53:08,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:53:08,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:53:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:53:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:08,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:53:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:53:08,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:08,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:53:08,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:08,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:08,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:53:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:08,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:08,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:08,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:53:08,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:08,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 12:53:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:08,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:08,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:08,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:53:08,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:08,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 12:53:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:08,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:08,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:08,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:08,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:08,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:08,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:53:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:08,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:53:08,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234690592] [2020-10-13 12:53:08,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:53:08,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:53:08,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043929191] [2020-10-13 12:53:08,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:53:08,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:53:08,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:53:08,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:53:08,237 INFO L87 Difference]: Start difference. First operand 245 states and 289 transitions. Second operand 8 states. [2020-10-13 12:53:09,319 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:53:09,596 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:53:09,844 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:53:10,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:53:10,778 INFO L93 Difference]: Finished difference Result 512 states and 654 transitions. [2020-10-13 12:53:10,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:53:10,779 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-10-13 12:53:10,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:53:10,783 INFO L225 Difference]: With dead ends: 512 [2020-10-13 12:53:10,783 INFO L226 Difference]: Without dead ends: 295 [2020-10-13 12:53:10,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:53:10,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-10-13 12:53:10,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 249. [2020-10-13 12:53:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-10-13 12:53:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 293 transitions. [2020-10-13 12:53:10,831 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 293 transitions. Word has length 98 [2020-10-13 12:53:10,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:53:10,832 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 293 transitions. [2020-10-13 12:53:10,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:53:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 293 transitions. [2020-10-13 12:53:10,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-13 12:53:10,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:53:10,834 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:53:10,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:53:10,834 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:53:10,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:53:10,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1364045065, now seen corresponding path program 1 times [2020-10-13 12:53:10,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:53:10,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735157677] [2020-10-13 12:53:10,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:53:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:10,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 12:53:11,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 438 [2020-10-13 12:53:11,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:53:11,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:53:11,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 12:53:11,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:11,567 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:53:11,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:11,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 12:53:11,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:11,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:11,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:53:11,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:11,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:53:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:11,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:11,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:11,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:11,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:53:11,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:11,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:53:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:11,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:11,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:53:11,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:11,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:53:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:11,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:53:11,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:11,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:11,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:11,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:11,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:53:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:11,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:11,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:11,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:11,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:53:11,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:11,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:53:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:11,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:11,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:11,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:11,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:11,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:11,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:53:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:53:11,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:53:11,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:11,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:11,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:53:11,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:11,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:11,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:11,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:11,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:11,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:11,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 12:53:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 12:53:11,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:53:11,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:11,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 12:53:11,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 12:53:11,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:11,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:53:11,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:53:11,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:53:11,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:11,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:53:11,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:53:11,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:11,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:11,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:53:11,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:11,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:53:11,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:53:11,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:11,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:11,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:53:11,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:11,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:53:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:53:11,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:11,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:11,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:11,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:53:11,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:11,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:53:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:11,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:11,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:11,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:11,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:11,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 12:53:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:11,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:11,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:53:11,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:11,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:11,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 12:53:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:11,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:11,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:11,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:11,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:11,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:11,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:53:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:11,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:53:11,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735157677] [2020-10-13 12:53:11,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:53:11,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:53:11,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702868044] [2020-10-13 12:53:11,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:53:11,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:53:11,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:53:11,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:53:11,922 INFO L87 Difference]: Start difference. First operand 249 states and 293 transitions. Second operand 7 states. [2020-10-13 12:53:12,313 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:53:12,863 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:53:15,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:53:15,195 INFO L93 Difference]: Finished difference Result 737 states and 945 transitions. [2020-10-13 12:53:15,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 12:53:15,196 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2020-10-13 12:53:15,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:53:15,200 INFO L225 Difference]: With dead ends: 737 [2020-10-13 12:53:15,200 INFO L226 Difference]: Without dead ends: 516 [2020-10-13 12:53:15,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:53:15,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2020-10-13 12:53:15,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 470. [2020-10-13 12:53:15,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-10-13 12:53:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 564 transitions. [2020-10-13 12:53:15,282 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 564 transitions. Word has length 98 [2020-10-13 12:53:15,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:53:15,283 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 564 transitions. [2020-10-13 12:53:15,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:53:15,283 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 564 transitions. [2020-10-13 12:53:15,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-13 12:53:15,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:53:15,285 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:53:15,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:53:15,285 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:53:15,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:53:15,285 INFO L82 PathProgramCache]: Analyzing trace with hash 884836017, now seen corresponding path program 1 times [2020-10-13 12:53:15,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:53:15,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521113860] [2020-10-13 12:53:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:53:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:15,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:15,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:16,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:16,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-13 12:53:16,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:53:16,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1455 [2020-10-13 12:53:16,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:16,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:53:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 12:53:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 12:53:16,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,093 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:53:17,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:17,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:53:17,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:17,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:53:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:17,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:17,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:17,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:17,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:53:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:17,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:17,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:17,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:53:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:17,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:53:17,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:17,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:53:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:17,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:17,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:17,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:17,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:53:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:17,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:17,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:17,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:53:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:17,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:17,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:17,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:53:17,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 12:53:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:53:17,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:17,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:17,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:53:17,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:17,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:17,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:17,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:17,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 12:53:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 12:53:17,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:53:17,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:53:17,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 12:53:17,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:53:17,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:53:17,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:53:17,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:53:17,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:53:17,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:17,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:53:17,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:53:17,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:53:17,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:17,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:53:17,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:53:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:53:17,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:17,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:53:17,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:53:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:17,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:17,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:17,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:17,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 12:53:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:17,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:53:17,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:53:17,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:17,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:17,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 12:53:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:17,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:17,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:17,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:17,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:17,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:17,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:17,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:53:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:17,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:53:17,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521113860] [2020-10-13 12:53:17,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:53:17,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 12:53:17,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254937685] [2020-10-13 12:53:17,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 12:53:17,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:53:17,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 12:53:17,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:53:17,335 INFO L87 Difference]: Start difference. First operand 470 states and 564 transitions. Second operand 12 states. [2020-10-13 12:53:17,788 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:53:18,704 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:53:18,971 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:53:19,357 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:53:20,345 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:53:20,622 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:53:20,886 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:53:22,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:53:22,476 INFO L93 Difference]: Finished difference Result 953 states and 1217 transitions. [2020-10-13 12:53:22,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 12:53:22,476 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 102 [2020-10-13 12:53:22,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:53:22,482 INFO L225 Difference]: With dead ends: 953 [2020-10-13 12:53:22,482 INFO L226 Difference]: Without dead ends: 595 [2020-10-13 12:53:22,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2020-10-13 12:53:22,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-10-13 12:53:22,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 525. [2020-10-13 12:53:22,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2020-10-13 12:53:22,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 634 transitions. [2020-10-13 12:53:22,602 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 634 transitions. Word has length 102 [2020-10-13 12:53:22,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:53:22,605 INFO L479 AbstractCegarLoop]: Abstraction has 525 states and 634 transitions. [2020-10-13 12:53:22,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 12:53:22,605 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 634 transitions. [2020-10-13 12:53:22,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-13 12:53:22,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:53:22,611 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:53:22,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:53:22,611 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:53:22,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:53:22,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1847893255, now seen corresponding path program 1 times [2020-10-13 12:53:22,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:53:22,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858627962] [2020-10-13 12:53:22,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:53:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:22,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:22,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:22,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:23,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:23,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:23,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:24,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:27,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:27,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-13 12:53:27,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 12:53:27,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 12:53:27,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:53:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 207 [2020-10-13 12:53:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 12:53:27,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:28,059 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:53:28,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:53:28,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:28,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:53:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:28,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:28,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:53:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:28,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:53:28,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:28,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:53:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:28,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:53:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:53:28,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:28,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:53:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:28,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:53:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:28,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 12:53:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 12:53:28,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:53:28,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:28,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:53:28,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:28,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:28,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:53:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:53:28,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:28,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:53:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:28,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 12:53:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:28,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 12:53:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 12:53:28,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:53:28,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:53:28,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:28,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:28,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:53:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 12:53:28,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:53:28,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:53:28,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:53:28,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:53:28,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:53:28,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:53:28,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:53:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:53:28,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:28,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:53:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:53:28,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:28,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:53:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:28,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:53:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:53:28,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:53:28,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:53:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:53:28,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:53:28,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:53:28,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 12:53:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:53:28,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:53:28,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:53:28,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:53:28,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:53:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:28,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:53:28,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:53:28,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 12:53:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:53:28,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:28,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 12:53:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:28,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:28,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-13 12:53:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:53:28,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:53:28,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:53:28,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:53:28,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:53:28,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:53:28,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:53:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:53:28,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:53:28,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:53:28,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:53:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-13 12:53:28,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858627962] [2020-10-13 12:53:28,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:53:28,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 12:53:28,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845742627] [2020-10-13 12:53:28,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 12:53:28,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:53:28,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 12:53:28,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:53:28,511 INFO L87 Difference]: Start difference. First operand 525 states and 634 transitions. Second operand 12 states. [2020-10-13 12:53:29,185 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:53:29,837 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 12:53:30,143 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:53:30,416 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:53:30,755 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 12:53:31,045 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 12:53:31,409 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:53:32,311 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:53:32,830 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 12:53:33,322 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 12:53:33,946 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-13 12:53:34,441 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 12:53:34,773 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 12:53:35,359 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 12:53:36,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:53:36,077 INFO L93 Difference]: Finished difference Result 1132 states and 1417 transitions. [2020-10-13 12:53:36,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-13 12:53:36,082 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 174 [2020-10-13 12:53:36,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:53:36,084 INFO L225 Difference]: With dead ends: 1132 [2020-10-13 12:53:36,084 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:53:36,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=550, Invalid=1520, Unknown=0, NotChecked=0, Total=2070 [2020-10-13 12:53:36,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:53:36,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:53:36,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:53:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:53:36,093 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2020-10-13 12:53:36,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:53:36,094 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:53:36,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 12:53:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:53:36,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:53:36,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:53:36,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:53:36,951 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 227 [2020-10-13 12:53:37,989 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 241 [2020-10-13 12:53:39,037 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-10-13 12:53:40,582 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 236 [2020-10-13 12:53:40,798 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-10-13 12:53:41,169 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 225 [2020-10-13 12:53:42,053 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 11 [2020-10-13 12:53:42,249 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 23 [2020-10-13 12:53:42,511 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 26 [2020-10-13 12:53:42,667 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-13 12:53:42,831 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:53:43,213 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-10-13 12:53:43,396 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-13 12:53:43,744 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 11 [2020-10-13 12:53:44,119 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 26 [2020-10-13 12:53:44,348 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 27 [2020-10-13 12:53:44,509 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-13 12:53:45,306 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 48 [2020-10-13 12:53:45,487 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 27 [2020-10-13 12:53:45,869 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 26 [2020-10-13 12:53:46,594 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 23 [2020-10-13 12:53:46,815 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:53:47,255 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 26 [2020-10-13 12:53:48,003 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 30 [2020-10-13 12:53:48,179 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-13 12:53:48,563 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-10-13 12:53:48,757 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-10-13 12:53:49,485 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 23 [2020-10-13 12:53:49,675 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-10-13 12:53:50,040 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-10-13 12:53:50,577 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 25 [2020-10-13 12:53:51,238 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 22 [2020-10-13 12:53:51,910 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 22 [2020-10-13 12:53:52,080 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-13 12:53:52,420 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 26 [2020-10-13 12:53:52,746 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 11 [2020-10-13 12:53:52,923 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-10-13 12:53:53,323 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 26 [2020-10-13 12:53:53,510 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 7 [2020-10-13 12:53:53,697 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-10-13 12:53:54,029 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 19 [2020-10-13 12:53:54,210 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 27 [2020-10-13 12:53:54,764 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 29 [2020-10-13 12:53:54,947 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-10-13 12:53:55,144 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-10-13 12:53:55,323 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 27 [2020-10-13 12:53:55,565 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 26 [2020-10-13 12:53:55,936 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 32 [2020-10-13 12:53:56,098 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 16 [2020-10-13 12:53:56,261 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-13 12:53:56,431 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 27 [2020-10-13 12:53:56,598 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-10-13 12:53:56,784 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-10-13 12:53:56,959 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 27 [2020-10-13 12:53:57,130 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 27 [2020-10-13 12:53:57,590 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-10-13 12:53:57,768 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-10-13 12:53:57,965 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-10-13 12:53:58,642 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 27 [2020-10-13 12:53:58,647 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 627 682) no Hoare annotation was computed. [2020-10-13 12:53:58,650 INFO L268 CegarLoopResult]: For program point L658(lines 658 662) no Hoare annotation was computed. [2020-10-13 12:53:58,650 INFO L268 CegarLoopResult]: For program point L658-1(lines 658 662) no Hoare annotation was computed. [2020-10-13 12:53:58,650 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-10-13 12:53:58,650 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 673) no Hoare annotation was computed. [2020-10-13 12:53:58,650 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 627 682) no Hoare annotation was computed. [2020-10-13 12:53:58,651 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 627 682) no Hoare annotation was computed. [2020-10-13 12:53:58,651 INFO L268 CegarLoopResult]: For program point L674(lines 651 675) no Hoare annotation was computed. [2020-10-13 12:53:58,651 INFO L268 CegarLoopResult]: For program point L735(lines 708 736) no Hoare annotation was computed. [2020-10-13 12:53:58,651 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-10-13 12:53:58,651 INFO L268 CegarLoopResult]: For program point L728-1(line 728) no Hoare annotation was computed. [2020-10-13 12:53:58,651 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 683 742) no Hoare annotation was computed. [2020-10-13 12:53:58,651 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 683 742) no Hoare annotation was computed. [2020-10-13 12:53:58,651 INFO L268 CegarLoopResult]: For program point L715(lines 715 719) no Hoare annotation was computed. [2020-10-13 12:53:58,652 INFO L268 CegarLoopResult]: For program point L715-1(lines 715 719) no Hoare annotation was computed. [2020-10-13 12:53:58,652 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 683 742) no Hoare annotation was computed. [2020-10-13 12:53:58,652 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-10-13 12:53:58,652 INFO L268 CegarLoopResult]: For program point L709-2(lines 709 734) no Hoare annotation was computed. [2020-10-13 12:53:58,652 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 500 506) the Hoare annotation is: true [2020-10-13 12:53:58,652 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 500 506) no Hoare annotation was computed. [2020-10-13 12:53:58,652 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 507 515) no Hoare annotation was computed. [2020-10-13 12:53:58,652 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 507 515) the Hoare annotation is: true [2020-10-13 12:53:58,653 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 507 515) no Hoare annotation was computed. [2020-10-13 12:53:58,653 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 527 534) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (<= 0 ~pumpRunning~0)) (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:53:58,653 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 527 534) no Hoare annotation was computed. [2020-10-13 12:53:58,653 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 527 534) no Hoare annotation was computed. [2020-10-13 12:53:58,653 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 535 544) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (and (or (not (<= 0 ~pumpRunning~0)) .cse0 .cse1 (not (<= ~pumpRunning~0 0))) (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-10-13 12:53:58,653 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-13 12:53:58,653 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 535 544) no Hoare annotation was computed. [2020-10-13 12:53:58,654 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 535 544) no Hoare annotation was computed. [2020-10-13 12:53:58,654 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 545 573) the Hoare annotation is: true [2020-10-13 12:53:58,654 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 0 ~pumpRunning~0)) .cse0 (not (<= ~pumpRunning~0 0))) (or (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-10-13 12:53:58,657 INFO L268 CegarLoopResult]: For program point L558(lines 558 564) no Hoare annotation was computed. [2020-10-13 12:53:58,657 INFO L268 CegarLoopResult]: For program point L557(lines 557 567) no Hoare annotation was computed. [2020-10-13 12:53:58,657 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 545 573) no Hoare annotation was computed. [2020-10-13 12:53:58,658 INFO L264 CegarLoopResult]: At program point L555(line 555) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:53:58,658 INFO L268 CegarLoopResult]: For program point L555-1(line 555) no Hoare annotation was computed. [2020-10-13 12:53:58,658 INFO L268 CegarLoopResult]: For program point L553(lines 553 570) no Hoare annotation was computed. [2020-10-13 12:53:58,658 INFO L268 CegarLoopResult]: For program point L553-1(lines 545 573) no Hoare annotation was computed. [2020-10-13 12:53:58,658 INFO L271 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: true [2020-10-13 12:53:58,658 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-10-13 12:53:58,658 INFO L264 CegarLoopResult]: At program point L1026-1(line 1026) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:58,658 INFO L268 CegarLoopResult]: For program point L1024(lines 1024 1031) no Hoare annotation was computed. [2020-10-13 12:53:58,658 INFO L268 CegarLoopResult]: For program point L1024-1(lines 1024 1031) no Hoare annotation was computed. [2020-10-13 12:53:58,658 INFO L268 CegarLoopResult]: For program point L1022(line 1022) no Hoare annotation was computed. [2020-10-13 12:53:58,659 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1014 1036) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:58,659 INFO L264 CegarLoopResult]: At program point L1021(line 1021) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:58,659 INFO L264 CegarLoopResult]: At program point L1020(line 1020) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:58,659 INFO L264 CegarLoopResult]: At program point L1020-1(line 1020) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:58,659 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1014 1036) no Hoare annotation was computed. [2020-10-13 12:53:58,659 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 1014 1036) no Hoare annotation was computed. [2020-10-13 12:53:58,659 INFO L264 CegarLoopResult]: At program point L1026(line 1026) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:58,659 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 972 995) no Hoare annotation was computed. [2020-10-13 12:53:58,659 INFO L268 CegarLoopResult]: For program point L990(line 990) no Hoare annotation was computed. [2020-10-13 12:53:58,659 INFO L268 CegarLoopResult]: For program point L989(line 989) no Hoare annotation was computed. [2020-10-13 12:53:58,659 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 972 995) no Hoare annotation was computed. [2020-10-13 12:53:58,660 INFO L268 CegarLoopResult]: For program point L988(line 988) no Hoare annotation was computed. [2020-10-13 12:53:58,660 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 972 995) no Hoare annotation was computed. [2020-10-13 12:53:58,660 INFO L268 CegarLoopResult]: For program point L987(line 987) no Hoare annotation was computed. [2020-10-13 12:53:58,660 INFO L268 CegarLoopResult]: For program point L986(line 986) no Hoare annotation was computed. [2020-10-13 12:53:58,660 INFO L268 CegarLoopResult]: For program point L985(line 985) no Hoare annotation was computed. [2020-10-13 12:53:58,660 INFO L268 CegarLoopResult]: For program point L984(line 984) no Hoare annotation was computed. [2020-10-13 12:53:58,660 INFO L268 CegarLoopResult]: For program point L983(line 983) no Hoare annotation was computed. [2020-10-13 12:53:58,660 INFO L268 CegarLoopResult]: For program point L982(line 982) no Hoare annotation was computed. [2020-10-13 12:53:58,660 INFO L268 CegarLoopResult]: For program point L981(line 981) no Hoare annotation was computed. [2020-10-13 12:53:58,660 INFO L268 CegarLoopResult]: For program point L980(line 980) no Hoare annotation was computed. [2020-10-13 12:53:58,660 INFO L268 CegarLoopResult]: For program point L979(line 979) no Hoare annotation was computed. [2020-10-13 12:53:58,660 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-10-13 12:53:58,660 INFO L268 CegarLoopResult]: For program point L977(line 977) no Hoare annotation was computed. [2020-10-13 12:53:58,661 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 385 399) no Hoare annotation was computed. [2020-10-13 12:53:58,661 INFO L264 CegarLoopResult]: At program point L391(line 391) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-10-13 12:53:58,661 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 385 399) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-13 12:53:58,661 INFO L268 CegarLoopResult]: For program point L389(lines 389 395) no Hoare annotation was computed. [2020-10-13 12:53:58,661 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 385 399) no Hoare annotation was computed. [2020-10-13 12:53:58,661 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 302 310) no Hoare annotation was computed. [2020-10-13 12:53:58,661 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 302 310) the Hoare annotation is: true [2020-10-13 12:53:58,661 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 302 310) no Hoare annotation was computed. [2020-10-13 12:53:58,661 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 366 384) the Hoare annotation is: true [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point L375(lines 375 379) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 366 384) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L271 CegarLoopResult]: At program point L373(line 373) the Hoare annotation is: true [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 379) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 366 384) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point L318(lines 318 326) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point L318-2(lines 318 326) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 311 346) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point L330(lines 330 338) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point L330-2(lines 330 338) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 311 346) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 311 346) no Hoare annotation was computed. [2020-10-13 12:53:58,662 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 493 499) no Hoare annotation was computed. [2020-10-13 12:53:58,663 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 493 499) the Hoare annotation is: true [2020-10-13 12:53:58,663 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 581 626) no Hoare annotation was computed. [2020-10-13 12:53:58,663 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 581 626) no Hoare annotation was computed. [2020-10-13 12:53:58,663 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 581 626) no Hoare annotation was computed. [2020-10-13 12:53:58,663 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 894 939) no Hoare annotation was computed. [2020-10-13 12:53:58,663 INFO L268 CegarLoopResult]: For program point L914(lines 914 921) no Hoare annotation was computed. [2020-10-13 12:53:58,663 INFO L268 CegarLoopResult]: For program point L908(lines 908 928) no Hoare annotation was computed. [2020-10-13 12:53:58,663 INFO L268 CegarLoopResult]: For program point L908-1(lines 908 928) no Hoare annotation was computed. [2020-10-13 12:53:58,663 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 894 939) no Hoare annotation was computed. [2020-10-13 12:53:58,664 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 894 939) no Hoare annotation was computed. [2020-10-13 12:53:58,664 INFO L264 CegarLoopResult]: At program point L1008(line 1008) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:58,664 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 1003 1013) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:53:58,664 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 1003 1013) no Hoare annotation was computed. [2020-10-13 12:53:58,664 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 1003 1013) no Hoare annotation was computed. [2020-10-13 12:53:58,664 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 291 301) the Hoare annotation is: true [2020-10-13 12:53:58,664 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 291 301) no Hoare annotation was computed. [2020-10-13 12:53:58,664 INFO L271 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: true [2020-10-13 12:53:58,664 INFO L268 CegarLoopResult]: For program point L296-1(line 296) no Hoare annotation was computed. [2020-10-13 12:53:58,664 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 291 301) no Hoare annotation was computed. [2020-10-13 12:53:58,664 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 283 290) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-13 12:53:58,664 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 283 290) no Hoare annotation was computed. [2020-10-13 12:53:58,664 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 283 290) no Hoare annotation was computed. [2020-10-13 12:53:58,665 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-10-13 12:53:58,665 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-10-13 12:53:58,665 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-10-13 12:53:58,665 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-10-13 12:53:58,665 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-13 12:53:58,665 INFO L268 CegarLoopResult]: For program point L256-1(line 256) no Hoare annotation was computed. [2020-10-13 12:53:58,665 INFO L268 CegarLoopResult]: For program point L254(lines 254 271) no Hoare annotation was computed. [2020-10-13 12:53:58,665 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2020-10-13 12:53:58,665 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:53:58,665 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse0 .cse1))) [2020-10-13 12:53:58,665 INFO L268 CegarLoopResult]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2020-10-13 12:53:58,665 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-13 12:53:58,666 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-13 12:53:58,666 INFO L268 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2020-10-13 12:53:58,666 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 190 196) no Hoare annotation was computed. [2020-10-13 12:53:58,666 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 190 196) the Hoare annotation is: true [2020-10-13 12:53:58,666 INFO L264 CegarLoopResult]: At program point testENTRY(lines 410 477) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:53:58,666 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) .cse1 (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1))) [2020-10-13 12:53:58,666 INFO L268 CegarLoopResult]: For program point L440(lines 440 446) no Hoare annotation was computed. [2020-10-13 12:53:58,666 INFO L268 CegarLoopResult]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2020-10-13 12:53:58,666 INFO L268 CegarLoopResult]: For program point testFINAL(lines 410 477) no Hoare annotation was computed. [2020-10-13 12:53:58,666 INFO L264 CegarLoopResult]: At program point L467(lines 420 469) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) .cse1 (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1))) [2020-10-13 12:53:58,667 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) .cse1 (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1))) [2020-10-13 12:53:58,667 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-10-13 12:53:58,667 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2020-10-13 12:53:58,667 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-10-13 12:53:58,667 INFO L264 CegarLoopResult]: At program point L470(lines 419 471) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:53:58,667 INFO L264 CegarLoopResult]: At program point L460(line 460) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) .cse1 (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1))) [2020-10-13 12:53:58,667 INFO L268 CegarLoopResult]: For program point L458(lines 458 464) no Hoare annotation was computed. [2020-10-13 12:53:58,667 INFO L264 CegarLoopResult]: At program point L458-1(lines 450 465) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) .cse1 (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1))) [2020-10-13 12:53:58,667 INFO L268 CegarLoopResult]: For program point L421(lines 420 469) no Hoare annotation was computed. [2020-10-13 12:53:58,668 INFO L264 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) .cse1 (<= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1))) [2020-10-13 12:53:58,668 INFO L268 CegarLoopResult]: For program point testEXIT(lines 410 477) no Hoare annotation was computed. [2020-10-13 12:53:58,668 INFO L268 CegarLoopResult]: For program point L450(lines 450 465) no Hoare annotation was computed. [2020-10-13 12:53:58,668 INFO L268 CegarLoopResult]: For program point L862(lines 862 882) no Hoare annotation was computed. [2020-10-13 12:53:58,668 INFO L268 CegarLoopResult]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2020-10-13 12:53:58,668 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 848 893) no Hoare annotation was computed. [2020-10-13 12:53:58,668 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 848 893) no Hoare annotation was computed. [2020-10-13 12:53:58,668 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 848 893) no Hoare annotation was computed. [2020-10-13 12:53:58,669 INFO L268 CegarLoopResult]: For program point L868(lines 868 875) no Hoare annotation was computed. [2020-10-13 12:53:58,669 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-10-13 12:53:58,669 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-10-13 12:53:58,669 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-10-13 12:53:58,669 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-10-13 12:53:58,669 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-10-13 12:53:58,669 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-10-13 12:53:58,669 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-10-13 12:53:58,669 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-10-13 12:53:58,670 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 483 492) no Hoare annotation was computed. [2020-10-13 12:53:58,670 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 483 492) no Hoare annotation was computed. [2020-10-13 12:53:58,670 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 483 492) no Hoare annotation was computed. [2020-10-13 12:53:58,670 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 745 847) no Hoare annotation was computed. [2020-10-13 12:53:58,670 INFO L268 CegarLoopResult]: For program point L795(lines 794 814) no Hoare annotation was computed. [2020-10-13 12:53:58,670 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-10-13 12:53:58,670 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-10-13 12:53:58,670 INFO L268 CegarLoopResult]: For program point L791(lines 791 832) no Hoare annotation was computed. [2020-10-13 12:53:58,670 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-10-13 12:53:58,671 INFO L268 CegarLoopResult]: For program point L810-1(line 810) no Hoare annotation was computed. [2020-10-13 12:53:58,671 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 745 847) no Hoare annotation was computed. [2020-10-13 12:53:58,671 INFO L268 CegarLoopResult]: For program point L769(lines 769 773) no Hoare annotation was computed. [2020-10-13 12:53:58,671 INFO L268 CegarLoopResult]: For program point L833(lines 833 844) no Hoare annotation was computed. [2020-10-13 12:53:58,671 INFO L268 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2020-10-13 12:53:58,671 INFO L268 CegarLoopResult]: For program point L794-2(lines 794 814) no Hoare annotation was computed. [2020-10-13 12:53:58,671 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 745 847) no Hoare annotation was computed. [2020-10-13 12:53:58,671 INFO L268 CegarLoopResult]: For program point L815(lines 793 816) no Hoare annotation was computed. [2020-10-13 12:53:58,671 INFO L268 CegarLoopResult]: For program point L774(lines 774 790) no Hoare annotation was computed. [2020-10-13 12:53:58,671 INFO L268 CegarLoopResult]: For program point L834(lines 834 841) no Hoare annotation was computed. [2020-10-13 12:53:58,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:53:58,672 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-13 12:53:58,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:53:58,672 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2020-10-13 12:53:58,672 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2020-10-13 12:53:58,672 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 275 282) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:53:58,673 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-10-13 12:53:58,673 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-10-13 12:53:58,673 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-10-13 12:53:58,673 INFO L268 CegarLoopResult]: For program point L354-1(line 354) no Hoare annotation was computed. [2020-10-13 12:53:58,673 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 347 365) no Hoare annotation was computed. [2020-10-13 12:53:58,673 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 347 365) the Hoare annotation is: true [2020-10-13 12:53:58,673 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 347 365) no Hoare annotation was computed. [2020-10-13 12:53:58,673 INFO L268 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-10-13 12:53:58,673 INFO L271 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: true [2020-10-13 12:53:58,674 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 360) no Hoare annotation was computed. [2020-10-13 12:53:58,674 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-10-13 12:53:58,674 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (<= 0 ~pumpRunning~0)) .cse0 .cse1 (not (<= ~pumpRunning~0 0))))) [2020-10-13 12:53:58,674 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-10-13 12:53:58,674 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:53:58,674 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:53:58,674 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:53:58,674 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-10-13 12:53:58,674 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-10-13 12:53:58,674 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-10-13 12:53:58,675 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= ~waterLevel~0 2)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (and (or .cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse2)) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and .cse3 .cse1 .cse2)) (or (not (<= |old(~pumpRunning~0)| 0)) .cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3 (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|))))) [2020-10-13 12:53:58,675 INFO L264 CegarLoopResult]: At program point L177(lines 177 183) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (<= ~waterLevel~0 2))) (let ((.cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (<= 0 ~pumpRunning~0)) (.cse5 (<= ~pumpRunning~0 0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (and .cse2 (<= 2 ~waterLevel~0) .cse8))) (and (or .cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse1) (or (not (<= |old(~pumpRunning~0)| 0)) .cse0 (and .cse2 .cse3 .cse4 .cse5) (not (<= 0 |old(~pumpRunning~0)|)) .cse6) (or .cse0 (and .cse7 .cse8) (and .cse4 .cse8 .cse5) (and (not (<= (+ |old(~switchedOnBeforeTS~0)| 1) 0)) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) .cse1) (or .cse0 (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) .cse4 .cse8 .cse5) (not (<= 2 |old(~waterLevel~0)|)) (and .cse3 .cse7 .cse8) .cse6)))) [2020-10-13 12:53:58,675 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 163 189) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (and .cse2 .cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 0 |old(~pumpRunning~0)|)) .cse1) (or (and .cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3) .cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1)))) [2020-10-13 12:53:58,675 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 0 |old(~pumpRunning~0)|))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) .cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2020-10-13 12:53:58,675 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 163 189) no Hoare annotation was computed. [2020-10-13 12:53:58,676 INFO L268 CegarLoopResult]: For program point L170(lines 166 188) no Hoare annotation was computed. [2020-10-13 12:53:58,676 INFO L268 CegarLoopResult]: For program point L168(lines 166 188) no Hoare annotation was computed. [2020-10-13 12:53:58,676 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 163 189) no Hoare annotation was computed. [2020-10-13 12:53:58,676 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 942 971) no Hoare annotation was computed. [2020-10-13 12:53:58,676 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 942 971) the Hoare annotation is: true [2020-10-13 12:53:58,676 INFO L268 CegarLoopResult]: For program point L956(lines 956 960) no Hoare annotation was computed. [2020-10-13 12:53:58,676 INFO L271 CegarLoopResult]: At program point L956-1(lines 956 960) the Hoare annotation is: true [2020-10-13 12:53:58,676 INFO L268 CegarLoopResult]: For program point L953(line 953) no Hoare annotation was computed. [2020-10-13 12:53:58,676 INFO L271 CegarLoopResult]: At program point L952-2(lines 952 966) the Hoare annotation is: true [2020-10-13 12:53:58,677 INFO L271 CegarLoopResult]: At program point L948(line 948) the Hoare annotation is: true [2020-10-13 12:53:58,677 INFO L268 CegarLoopResult]: For program point L948-1(line 948) no Hoare annotation was computed. [2020-10-13 12:53:58,677 INFO L271 CegarLoopResult]: At program point L967(lines 942 971) the Hoare annotation is: true [2020-10-13 12:53:58,677 INFO L268 CegarLoopResult]: For program point L963(line 963) no Hoare annotation was computed. [2020-10-13 12:53:58,677 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2020-10-13 12:53:58,677 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-10-13 12:53:58,677 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-10-13 12:53:58,677 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 996 1002) no Hoare annotation was computed. [2020-10-13 12:53:58,677 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 996 1002) the Hoare annotation is: true [2020-10-13 12:53:58,678 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:53:58,678 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-13 12:53:58,678 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:53:58,678 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:53:58,678 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 400 407) no Hoare annotation was computed. [2020-10-13 12:53:58,678 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 400 407) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (<= 0 ~pumpRunning~0)) .cse1 (not (<= ~pumpRunning~0 0))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-10-13 12:53:58,678 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 400 407) no Hoare annotation was computed. [2020-10-13 12:53:58,678 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 198 222) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:53:58,678 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 198 222) no Hoare annotation was computed. [2020-10-13 12:53:58,679 INFO L264 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-13 12:53:58,679 INFO L268 CegarLoopResult]: For program point L217-1(lines 198 222) no Hoare annotation was computed. [2020-10-13 12:53:58,679 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse0 .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) (< 0 (+ processEnvironment__wrappee__highWaterSensor_~tmp~0 1))) .cse0 .cse1))) [2020-10-13 12:53:58,679 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse0 .cse1))) [2020-10-13 12:53:58,679 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-10-13 12:53:58,679 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse0 .cse1))) [2020-10-13 12:53:58,679 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-10-13 12:53:58,680 INFO L268 CegarLoopResult]: For program point L202(lines 202 219) no Hoare annotation was computed. [2020-10-13 12:53:58,680 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-10-13 12:53:58,680 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-10-13 12:53:58,680 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) (or .cse0 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-10-13 12:53:58,680 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 517 524) no Hoare annotation was computed. [2020-10-13 12:53:58,680 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2020-10-13 12:53:58,680 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 517 524) the Hoare annotation is: true [2020-10-13 12:53:58,680 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 517 524) no Hoare annotation was computed. [2020-10-13 12:53:58,680 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 224 248) no Hoare annotation was computed. [2020-10-13 12:53:58,680 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 224 248) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:53:58,681 INFO L264 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) .cse0 .cse1))) [2020-10-13 12:53:58,681 INFO L268 CegarLoopResult]: For program point L243-1(lines 224 248) no Hoare annotation was computed. [2020-10-13 12:53:58,681 INFO L264 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-13 12:53:58,681 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-13 12:53:58,681 INFO L268 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-10-13 12:53:58,681 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-13 12:53:58,681 INFO L268 CegarLoopResult]: For program point L230-1(line 230) no Hoare annotation was computed. [2020-10-13 12:53:58,681 INFO L268 CegarLoopResult]: For program point L228(lines 228 245) no Hoare annotation was computed. [2020-10-13 12:53:58,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:53:58 BoogieIcfgContainer [2020-10-13 12:53:58,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:53:58,701 INFO L168 Benchmark]: Toolchain (without parser) took 77858.08 ms. Allocated memory was 141.0 MB in the beginning and 1.0 GB in the end (delta: 897.6 MB). Free memory was 102.7 MB in the beginning and 744.9 MB in the end (delta: -642.1 MB). Peak memory consumption was 893.5 MB. Max. memory is 7.1 GB. [2020-10-13 12:53:58,701 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-13 12:53:58,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.10 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.5 MB in the beginning and 170.9 MB in the end (delta: -68.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:53:58,703 INFO L168 Benchmark]: Boogie Preprocessor took 88.36 ms. Allocated memory is still 203.9 MB. Free memory was 170.9 MB in the beginning and 166.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-10-13 12:53:58,704 INFO L168 Benchmark]: RCFGBuilder took 1240.31 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 166.3 MB in the beginning and 189.7 MB in the end (delta: -23.4 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:53:58,704 INFO L168 Benchmark]: TraceAbstraction took 75792.62 ms. Allocated memory was 235.9 MB in the beginning and 1.0 GB in the end (delta: 802.7 MB). Free memory was 188.3 MB in the beginning and 744.9 MB in the end (delta: -556.6 MB). Peak memory consumption was 884.2 MB. Max. memory is 7.1 GB. [2020-10-13 12:53:58,707 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 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.10 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.5 MB in the beginning and 170.9 MB in the end (delta: -68.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.36 ms. Allocated memory is still 203.9 MB. Free memory was 170.9 MB in the beginning and 166.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1240.31 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 166.3 MB in the beginning and 189.7 MB in the end (delta: -23.4 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 75792.62 ms. Allocated memory was 235.9 MB in the beginning and 1.0 GB in the end (delta: 802.7 MB). Free memory was 188.3 MB in the beginning and 744.9 MB in the end (delta: -556.6 MB). Peak memory consumption was 884.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 521]: 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: 420]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) <= 0) || !(\old(waterLevel) == 1)) || !(0 <= \old(pumpRunning))) || (((splverifierCounter <= 0 && 0 <= pumpRunning) && waterLevel <= 2) && pumpRunning <= 0)) || ((splverifierCounter <= 0 && 2 <= waterLevel) && waterLevel <= 2)) || ((pumpRunning == switchedOnBeforeTS && splverifierCounter <= 0) && waterLevel <= 2) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) <= 0) || !(\old(waterLevel) == 1)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 265 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 53.1s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 28.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 22.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1345 SDtfs, 2622 SDslu, 1331 SDs, 0 SdLazy, 6256 SolverSat, 2041 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 279 SyntacticMatches, 4 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 11.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=525occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 308 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 1115 PreInvPairs, 1245 NumberOfFragments, 1948 HoareAnnotationTreeSize, 1115 FomulaSimplifications, 3566961 FormulaSimplificationTreeSizeReduction, 5.5s HoareSimplificationTime, 74 FomulaSimplificationsInter, 84113 FormulaSimplificationTreeSizeReductionInter, 16.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 23.5s InterpolantComputationTime, 754 NumberOfCodeBlocks, 754 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 746 ConstructedInterpolants, 0 QuantifiedInterpolants, 275164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 118/122 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...