/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_spec1_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:33:55,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:33:55,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:33:55,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:33:55,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:33:55,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:33:55,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:33:55,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:33:55,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:33:55,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:33:55,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:33:55,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:33:55,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:33:55,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:33:55,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:33:55,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:33:55,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:33:55,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:33:55,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:33:55,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:33:55,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:33:55,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:33:55,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:33:55,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:33:55,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:33:55,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:33:55,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:33:55,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:33:55,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:33:55,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:33:55,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:33:55,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:33:55,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:33:55,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:33:55,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:33:55,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:33:55,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:33:55,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:33:55,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:33:55,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:33:55,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:33:55,535 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 12:33:55,557 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:33:55,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:33:55,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:33:55,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:33:55,559 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:33:55,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:33:55,560 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:33:55,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:33:55,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:33:55,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:33:55,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:33:55,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:33:55,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:33:55,561 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:33:55,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:33:55,561 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:33:55,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:33:55,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:33:55,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:33:55,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:33:55,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:33:55,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:33:55,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:33:55,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:33:55,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:33:55,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:33:55,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:33:55,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:33:55,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:33:55,564 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 12:33:55,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:33:55,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:33:55,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:33:55,896 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:33:55,896 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:33:55,897 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c [2020-10-13 12:33:55,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c21616557/07075dda78654c259a2a52e2f33626d4/FLAG3767ea618 [2020-10-13 12:33:56,548 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:33:56,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c [2020-10-13 12:33:56,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c21616557/07075dda78654c259a2a52e2f33626d4/FLAG3767ea618 [2020-10-13 12:33:56,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c21616557/07075dda78654c259a2a52e2f33626d4 [2020-10-13 12:33:56,888 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:33:56,890 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:33:56,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:33:56,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:33:56,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:33:56,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:33:56" (1/1) ... [2020-10-13 12:33:56,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e77f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:56, skipping insertion in model container [2020-10-13 12:33:56,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:33:56" (1/1) ... [2020-10-13 12:33:56,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:33:56,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:33:57,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:33:57,377 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:33:57,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:33:57,509 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:33:57,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:57 WrapperNode [2020-10-13 12:33:57,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:33:57,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:33:57,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:33:57,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:33:57,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:57" (1/1) ... [2020-10-13 12:33:57,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:57" (1/1) ... [2020-10-13 12:33:57,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:57" (1/1) ... [2020-10-13 12:33:57,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:57" (1/1) ... [2020-10-13 12:33:57,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:57" (1/1) ... [2020-10-13 12:33:57,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:57" (1/1) ... [2020-10-13 12:33:57,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:57" (1/1) ... [2020-10-13 12:33:57,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:33:57,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:33:57,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:33:57,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:33:57,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:57" (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 12:33:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:33:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:33:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:33:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:33:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:33:57,731 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:33:57,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:33:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:33:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:33:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:33:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:33:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:33:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:33:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:33:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:33:57,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:33:57,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:33:57,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:33:57,734 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:33:57,734 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:33:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:33:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:33:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:33:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:33:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:33:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:33:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:33:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:33:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:33:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:33:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:33:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:33:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:33:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:33:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:33:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:33:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:33:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:33:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:33:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:33:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:33:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:33:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:33:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:33:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:33:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:33:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:33:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:33:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:33:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:33:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:33:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:33:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:33:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:33:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:33:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:33:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:33:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:33:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:33:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:33:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:33:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:33:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:33:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:33:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:33:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:33:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:33:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:33:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:33:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:33:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:33:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:33:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:33:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:33:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:33:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:33:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:33:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:33:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:33:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:33:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:33:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:33:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:33:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:33:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:33:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:33:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:33:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:33:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:33:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:33:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:33:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:33:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:33:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:33:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:33:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:33:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:33:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:33:58,867 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:33:58,867 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:33:58,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:33:58 BoogieIcfgContainer [2020-10-13 12:33:58,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:33:58,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:33:58,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:33:58,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:33:58,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:33:56" (1/3) ... [2020-10-13 12:33:58,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52912e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:33:58, skipping insertion in model container [2020-10-13 12:33:58,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:57" (2/3) ... [2020-10-13 12:33:58,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52912e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:33:58, skipping insertion in model container [2020-10-13 12:33:58,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:33:58" (3/3) ... [2020-10-13 12:33:58,881 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2020-10-13 12:33:58,891 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:33:58,899 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:33:58,913 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:33:58,937 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:33:58,937 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:33:58,937 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:33:58,937 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:33:58,938 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:33:58,938 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:33:58,938 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:33:58,938 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:33:58,961 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-10-13 12:33:58,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:33:58,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:58,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:33:58,973 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:58,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:58,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1514827661, now seen corresponding path program 1 times [2020-10-13 12:33:58,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:58,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480798937] [2020-10-13 12:33:58,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:59,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:59,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:00,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:00,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:01,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:04,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:04,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:34:04,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:34:04,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 12:34:04,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:04,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:04,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:34:04,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:04,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:34:04,592 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:04,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:04,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:04,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:04,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:04,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:04,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 12:34:04,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:04,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:04,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:04,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:04,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:04,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:04,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:04,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:04,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:04,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:04,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:04,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:04,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:04,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:04,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:04,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:04,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:04,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:34:04,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:04,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:04,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:04,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:04,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:04,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:04,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:04,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:04,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:04,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:04,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:04,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:04,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:04,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:04,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:04,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:04,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:04,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:04,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:04,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:04,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:04,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:04,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:04,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:04,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:04,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:04,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:04,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:34:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:04,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:04,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:04,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:04,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:04,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:04,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:04,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:04,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:04,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:04,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:04,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:34:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:04,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:04,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:04,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:04,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:04,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:04,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:04,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:04,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:04,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:04,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:34:04,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480798937] [2020-10-13 12:34:04,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:34:04,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:34:04,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277266119] [2020-10-13 12:34:04,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:34:04,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:04,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:34:04,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:34:04,757 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 3 states. [2020-10-13 12:34:06,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:06,027 INFO L93 Difference]: Finished difference Result 337 states and 437 transitions. [2020-10-13 12:34:06,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:34:06,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:34:06,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:06,043 INFO L225 Difference]: With dead ends: 337 [2020-10-13 12:34:06,044 INFO L226 Difference]: Without dead ends: 182 [2020-10-13 12:34:06,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:34:06,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-13 12:34:06,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 146. [2020-10-13 12:34:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-13 12:34:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2020-10-13 12:34:06,167 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2020-10-13 12:34:06,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:06,171 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2020-10-13 12:34:06,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:34:06,171 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2020-10-13 12:34:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:34:06,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:06,178 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:34:06,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:34:06,179 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:06,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:06,180 INFO L82 PathProgramCache]: Analyzing trace with hash -932487912, now seen corresponding path program 1 times [2020-10-13 12:34:06,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:06,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351518603] [2020-10-13 12:34:06,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:06,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:06,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:06,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:07,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:08,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:11,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:11,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:34:11,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:34:11,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 12:34:11,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:11,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:11,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:34:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:34:11,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:11,527 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:11,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:11,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:11,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:11,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:11,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:11,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 12:34:11,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:11,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:11,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:11,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:11,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:11,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:11,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:11,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:11,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:11,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:11,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:11,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:11,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:11,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:11,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:11,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:11,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:11,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:11,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:11,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:11,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:11,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:11,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:11,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:11,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:11,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:11,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:11,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:11,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:11,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:11,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:11,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:11,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:11,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:11,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:11,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:11,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:11,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:11,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:11,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:11,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:34:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:11,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:11,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:11,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:11,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:11,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:11,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:11,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:11,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:11,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:11,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:34:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:11,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:11,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:11,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:11,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:11,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:11,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:11,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:34:11,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351518603] [2020-10-13 12:34:11,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:34:11,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:34:11,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066493710] [2020-10-13 12:34:11,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:34:11,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:11,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:34:11,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:34:11,649 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 4 states. [2020-10-13 12:34:12,060 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:13,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:13,082 INFO L93 Difference]: Finished difference Result 264 states and 320 transitions. [2020-10-13 12:34:13,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:34:13,086 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:34:13,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:13,090 INFO L225 Difference]: With dead ends: 264 [2020-10-13 12:34:13,090 INFO L226 Difference]: Without dead ends: 166 [2020-10-13 12:34:13,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:34:13,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-13 12:34:13,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 137. [2020-10-13 12:34:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-13 12:34:13,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2020-10-13 12:34:13,163 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2020-10-13 12:34:13,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:13,164 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2020-10-13 12:34:13,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:34:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2020-10-13 12:34:13,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 12:34:13,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:13,172 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:34:13,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:34:13,173 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:13,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:13,173 INFO L82 PathProgramCache]: Analyzing trace with hash -896226788, now seen corresponding path program 1 times [2020-10-13 12:34:13,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:13,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991524691] [2020-10-13 12:34:13,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:13,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:13,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:13,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:13,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:16,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:16,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 12:34:16,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:34:16,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3603 [2020-10-13 12:34:16,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:16,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:16,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 12:34:16,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:34:16,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:17,133 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:17,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:17,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:17,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:17,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:17,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:17,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 12:34:17,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:17,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:17,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:17,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:17,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:17,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:17,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:17,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:17,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:17,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:17,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:17,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:17,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:17,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:17,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:17,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:17,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:17,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:17,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:17,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:17,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:17,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:17,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:17,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:17,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:17,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:17,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:17,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:17,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:17,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:17,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:17,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:17,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:17,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:17,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:17,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:17,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:17,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:17,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:17,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:17,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:17,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:17,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:17,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:17,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:34:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:17,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:17,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:17,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:17,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:17,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:17,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:17,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:17,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:17,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:17,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:34:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:17,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:17,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:17,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:17,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:17,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:34:17,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:17,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:34:17,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991524691] [2020-10-13 12:34:17,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:34:17,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:34:17,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608226720] [2020-10-13 12:34:17,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:34:17,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:17,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:34:17,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:34:17,275 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 7 states. [2020-10-13 12:34:17,683 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:18,569 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:34:18,894 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:34:19,175 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:34:19,822 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:20,115 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:34:20,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:20,815 INFO L93 Difference]: Finished difference Result 341 states and 433 transitions. [2020-10-13 12:34:20,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:34:20,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2020-10-13 12:34:20,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:20,820 INFO L225 Difference]: With dead ends: 341 [2020-10-13 12:34:20,820 INFO L226 Difference]: Without dead ends: 228 [2020-10-13 12:34:20,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:34:20,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-10-13 12:34:20,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 206. [2020-10-13 12:34:20,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-13 12:34:20,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 249 transitions. [2020-10-13 12:34:20,876 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 249 transitions. Word has length 51 [2020-10-13 12:34:20,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:20,876 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 249 transitions. [2020-10-13 12:34:20,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:34:20,877 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 249 transitions. [2020-10-13 12:34:20,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-13 12:34:20,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:20,879 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] [2020-10-13 12:34:20,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:34:20,879 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:20,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:20,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1444174391, now seen corresponding path program 1 times [2020-10-13 12:34:20,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:20,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058910945] [2020-10-13 12:34:20,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:20,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:21,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:21,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:25,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:25,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-13 12:34:25,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:34:25,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 12:34:25,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:25,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:25,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-13 12:34:25,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:34:25,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:26,194 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:26,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:26,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 12:34:26,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:26,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:26,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:26,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:26,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:26,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:26,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:26,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:26,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:26,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:26,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:26,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:26,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:26,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:26,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:26,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:26,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:26,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:26,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:26,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:26,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:26,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 12:34:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:34:26,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:34:26,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 12:34:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:34:26,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:34:26,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:34:26,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:26,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:34:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:34:26,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:34:26,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 12:34:26,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:26,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:26,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:34:26,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:34:26,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:26,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:26,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:34:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:34:26,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:34:26,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:34:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:26,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:34:26,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:26,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:26,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:26,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:26,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:26,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:26,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:26,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:26,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:26,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:26,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:26,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:26,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:26,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:26,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 12:34:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:26,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:26,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:26,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:26,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:26,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 12:34:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:26,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:26,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:26,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:26,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:26,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:26,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:26,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:26,458 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 12:34:26,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058910945] [2020-10-13 12:34:26,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:34:26,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:34:26,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100939978] [2020-10-13 12:34:26,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:34:26,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:26,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:34:26,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:34:26,461 INFO L87 Difference]: Start difference. First operand 206 states and 249 transitions. Second operand 8 states. [2020-10-13 12:34:27,471 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:27,731 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:34:27,966 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:28,205 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:29,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:29,035 INFO L93 Difference]: Finished difference Result 434 states and 563 transitions. [2020-10-13 12:34:29,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:34:29,036 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-13 12:34:29,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:29,040 INFO L225 Difference]: With dead ends: 434 [2020-10-13 12:34:29,040 INFO L226 Difference]: Without dead ends: 252 [2020-10-13 12:34:29,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:34:29,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-10-13 12:34:29,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 214. [2020-10-13 12:34:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-13 12:34:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 257 transitions. [2020-10-13 12:34:29,093 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 257 transitions. Word has length 94 [2020-10-13 12:34:29,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:29,094 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 257 transitions. [2020-10-13 12:34:29,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:34:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 257 transitions. [2020-10-13 12:34:29,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-13 12:34:29,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:29,096 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] [2020-10-13 12:34:29,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:34:29,097 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:29,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:29,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1957306567, now seen corresponding path program 1 times [2020-10-13 12:34:29,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:29,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1126925028] [2020-10-13 12:34:29,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:29,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:29,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:29,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-13 12:34:34,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:34:34,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 12:34:34,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-13 12:34:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:34,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,372 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:34,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:34,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:34:34,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:34,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:34,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:34,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:34,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:34,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:34,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:34,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:34,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:34,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:34,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:34,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:34,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:34,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:34,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:34,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:34,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 12:34:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:34:34,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 12:34:34,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:34,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:34:34,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:34,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:34:34,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 12:34:34,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:34,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:34:34,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:34,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:34:34,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:34:34,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:34,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:34:34,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:34,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:34:34,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:34,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:34:34,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:34,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:34:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:34:34,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:34:34,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:34:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:34,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:34:34,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:34,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:34,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:34,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:34,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:34,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:34,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:34,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:34,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:34,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:34,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:34,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:34,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 12:34:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:34,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:34,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 12:34:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:34,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:34,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:34,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:34,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:34,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:34,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:34,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:34,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:34,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:34,589 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 12:34:34,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1126925028] [2020-10-13 12:34:34,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:34:34,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:34:34,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163630069] [2020-10-13 12:34:34,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:34:34,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:34,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:34:34,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:34:34,592 INFO L87 Difference]: Start difference. First operand 214 states and 257 transitions. Second operand 7 states. [2020-10-13 12:34:35,441 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:35,721 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:35,959 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:36,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:36,772 INFO L93 Difference]: Finished difference Result 447 states and 576 transitions. [2020-10-13 12:34:36,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:34:36,773 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2020-10-13 12:34:36,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:36,776 INFO L225 Difference]: With dead ends: 447 [2020-10-13 12:34:36,777 INFO L226 Difference]: Without dead ends: 257 [2020-10-13 12:34:36,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:34:36,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-10-13 12:34:36,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 218. [2020-10-13 12:34:36,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-13 12:34:36,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 261 transitions. [2020-10-13 12:34:36,840 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 261 transitions. Word has length 94 [2020-10-13 12:34:36,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:36,840 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 261 transitions. [2020-10-13 12:34:36,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:34:36,840 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 261 transitions. [2020-10-13 12:34:36,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-13 12:34:36,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:36,842 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, 1, 1, 1, 1, 1, 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 12:34:36,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:34:36,843 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:36,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:36,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1965065926, now seen corresponding path program 1 times [2020-10-13 12:34:36,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:36,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706109641] [2020-10-13 12:34:36,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:36,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:37,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-13 12:34:41,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:34:41,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4157 [2020-10-13 12:34:41,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:34:41,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 12:34:41,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 12:34:41,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:41,282 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:41,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:41,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:34:41,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:41,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:41,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:41,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:41,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:41,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:41,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:41,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:41,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:41,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:41,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:41,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:41,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:41,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:41,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:41,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:41,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:41,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:41,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:41,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:41,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:41,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:41,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 12:34:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:34:41,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:34:41,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:34:41,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 12:34:41,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:41,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:34:41,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:34:41,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:34:41,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 12:34:41,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:41,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:34:41,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:41,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:41,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:41,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:34:41,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:41,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:41,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:41,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:34:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:34:41,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:34:41,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:34:41,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:34:41,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:41,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:34:41,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:34:41,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:41,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:34:41,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:41,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:41,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:41,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:34:41,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:34:41,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:41,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:41,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:41,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:41,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:41,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 12:34:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:41,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:34:41,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:34:41,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:41,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:34:41,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:41,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 12:34:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:41,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:41,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:41,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:41,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:41,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:41,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:41,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 12:34:41,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706109641] [2020-10-13 12:34:41,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:34:41,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 12:34:41,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392207926] [2020-10-13 12:34:41,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 12:34:41,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:41,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 12:34:41,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:34:41,660 INFO L87 Difference]: Start difference. First operand 218 states and 261 transitions. Second operand 13 states. [2020-10-13 12:34:42,276 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:34:43,104 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:43,408 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:43,659 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:43,948 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:34:44,340 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:45,263 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:45,506 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:34:46,786 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:34:47,022 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:34:47,294 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 12:34:47,557 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 12:34:47,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:47,891 INFO L93 Difference]: Finished difference Result 641 states and 836 transitions. [2020-10-13 12:34:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 12:34:47,891 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-10-13 12:34:47,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:47,896 INFO L225 Difference]: With dead ends: 641 [2020-10-13 12:34:47,896 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 12:34:47,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2020-10-13 12:34:47,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 12:34:47,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 384. [2020-10-13 12:34:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-10-13 12:34:47,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 471 transitions. [2020-10-13 12:34:47,960 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 471 transitions. Word has length 94 [2020-10-13 12:34:47,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:47,961 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 471 transitions. [2020-10-13 12:34:47,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 12:34:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 471 transitions. [2020-10-13 12:34:47,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 12:34:47,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:47,964 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:34:47,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:34:47,964 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:47,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:47,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1849414413, now seen corresponding path program 1 times [2020-10-13 12:34:47,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:47,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543907850] [2020-10-13 12:34:47,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:48,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:48,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:48,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:48,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:49,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:52,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:52,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 12:34:52,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 12:34:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 12:34:52,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:34:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-13 12:34:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 12:34:52,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:34:53,308 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:34:53,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:34:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:53,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 12:34:53,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:34:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:53,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:53,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:34:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:53,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:53,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:53,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:53,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:34:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:34:53,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:53,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:34:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:53,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:53,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:34:53,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:34:53,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:34:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:34:53,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:34:53,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-13 12:34:53,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:53,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 12:34:53,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 12:34:53,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:34:53,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:34:53,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:34:53,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:34:53,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:34:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:34:53,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:53,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:34:53,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:53,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:34:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:34:53,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:53,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:34:53,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:53,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:53,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:53,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:34:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:53,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:34:53,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:34:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:34:53,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:34:53,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:34:53,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 12:34:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:34:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:53,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:34:53,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:34:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:34:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:34:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 12:34:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:53,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:53,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 12:34:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:53,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:53,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 12:34:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:53,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:53,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:53,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 12:34:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:53,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:53,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:34:53,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:34:53,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:34:53,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:34:53,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:34:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:34:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:34:53,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:34:53,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:34:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 12:34:53,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543907850] [2020-10-13 12:34:53,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:34:53,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 12:34:53,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243399442] [2020-10-13 12:34:53,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 12:34:53,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:34:53,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 12:34:53,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:34:53,894 INFO L87 Difference]: Start difference. First operand 384 states and 471 transitions. Second operand 12 states. [2020-10-13 12:34:54,419 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:34:55,107 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:34:55,380 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:55,670 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:55,949 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:56,208 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:56,487 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:56,758 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:34:59,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:34:59,350 INFO L93 Difference]: Finished difference Result 987 states and 1364 transitions. [2020-10-13 12:34:59,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 12:34:59,350 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 129 [2020-10-13 12:34:59,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:34:59,358 INFO L225 Difference]: With dead ends: 987 [2020-10-13 12:34:59,358 INFO L226 Difference]: Without dead ends: 608 [2020-10-13 12:34:59,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=253, Invalid=869, Unknown=0, NotChecked=0, Total=1122 [2020-10-13 12:34:59,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-10-13 12:34:59,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 384. [2020-10-13 12:34:59,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-10-13 12:34:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 456 transitions. [2020-10-13 12:34:59,434 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 456 transitions. Word has length 129 [2020-10-13 12:34:59,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:34:59,435 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 456 transitions. [2020-10-13 12:34:59,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 12:34:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 456 transitions. [2020-10-13 12:34:59,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 12:34:59,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:34:59,438 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:34:59,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:34:59,438 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:34:59,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:34:59,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1642997201, now seen corresponding path program 1 times [2020-10-13 12:34:59,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:34:59,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246483264] [2020-10-13 12:34:59,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:34:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:34:59,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:34:59,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:00,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:00,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 12:35:00,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:35:00,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 974 [2020-10-13 12:35:00,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:35:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 12:35:00,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:00,702 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:35:00,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:35:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:00,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:00,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:00,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:00,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:00,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 12:35:00,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:35:00,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:00,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:35:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:00,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:00,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:00,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:00,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:00,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:00,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:00,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:00,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:00,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:35:00,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:00,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:35:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:00,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:00,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:00,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:00,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:00,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:00,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:00,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:00,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:00,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:35:00,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:00,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:00,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:00,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:00,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:00,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:00,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:35:00,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:00,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:35:00,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:00,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:35:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:00,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:00,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:00,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:00,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:00,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:00,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:00,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:35:00,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:00,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:35:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:00,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:00,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:00,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:35:00,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:00,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 12:35:00,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:35:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:35:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 12:35:00,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:00,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:00,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:00,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:00,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:35:00,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:00,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:35:00,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:35:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:00,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-13 12:35:00,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:00,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:00,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:01,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:01,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:35:01,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:01,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:35:01,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:01,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:01,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:01,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:35:01,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:01,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:01,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:01,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:01,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:35:01,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:01,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:35:01,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:01,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:35:01,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:01,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:01,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:01,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:01,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:35:01,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:01,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:01,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:01,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:01,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:01,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:35:01,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:01,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:35:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:01,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:01,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:01,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:35:01,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:01,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:35:01,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:01,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 12:35:01,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:01,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:01,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:01,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:01,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:35:01,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:01,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:01,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:01,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:01,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:01,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:01,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:01,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:01,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:01,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:01,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:01,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:01,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:01,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:01,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:01,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:01,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:01,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:01,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:01,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:01,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:01,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:01,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:01,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:01,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:01,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:01,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:01,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:35:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:01,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:01,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:01,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:35:01,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:01,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:35:01,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:35:01,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:01,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:01,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:01,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:01,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:01,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:01,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:01,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:01,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:01,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:01,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:01,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:01,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 12:35:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:01,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:01,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:01,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:01,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:01,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:01,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:01,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:01,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:01,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:01,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 12:35:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:01,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:01,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:01,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:01,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:01,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:01,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:01,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:01,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:01,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 12:35:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:01,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:01,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:01,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:01,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:01,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:01,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:01,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:01,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:01,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 12:35:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:01,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:01,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:01,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:01,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:01,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:01,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:01,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 12:35:01,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246483264] [2020-10-13 12:35:01,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:35:01,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 12:35:01,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137952797] [2020-10-13 12:35:01,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 12:35:01,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:35:01,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 12:35:01,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:35:01,204 INFO L87 Difference]: Start difference. First operand 384 states and 456 transitions. Second operand 11 states. [2020-10-13 12:35:01,936 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:35:02,654 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-10-13 12:35:04,827 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:35:06,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:35:06,029 INFO L93 Difference]: Finished difference Result 1413 states and 1829 transitions. [2020-10-13 12:35:06,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-13 12:35:06,030 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 125 [2020-10-13 12:35:06,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:35:06,037 INFO L225 Difference]: With dead ends: 1413 [2020-10-13 12:35:06,038 INFO L226 Difference]: Without dead ends: 1053 [2020-10-13 12:35:06,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=221, Invalid=649, Unknown=0, NotChecked=0, Total=870 [2020-10-13 12:35:06,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2020-10-13 12:35:06,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 903. [2020-10-13 12:35:06,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2020-10-13 12:35:06,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1076 transitions. [2020-10-13 12:35:06,194 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1076 transitions. Word has length 125 [2020-10-13 12:35:06,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:35:06,194 INFO L479 AbstractCegarLoop]: Abstraction has 903 states and 1076 transitions. [2020-10-13 12:35:06,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 12:35:06,195 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1076 transitions. [2020-10-13 12:35:06,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 12:35:06,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:35:06,198 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:35:06,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:35:06,198 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:35:06,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:35:06,198 INFO L82 PathProgramCache]: Analyzing trace with hash -804605035, now seen corresponding path program 1 times [2020-10-13 12:35:06,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:35:06,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1249632089] [2020-10-13 12:35:06,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:35:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 12:35:06,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:35:06,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 503 [2020-10-13 12:35:06,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:06,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-13 12:35:06,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 12:35:06,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,941 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:35:06,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:35:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:06,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 12:35:06,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:35:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:06,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:06,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:35:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:06,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:06,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:06,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:06,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:35:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:06,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:06,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:06,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:06,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:06,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:06,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:06,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:06,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:06,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:06,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:06,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:35:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:07,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:07,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:07,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:35:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:35:07,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:35:07,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:35:07,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:35:07,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:35:07,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:07,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-13 12:35:07,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:35:07,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:35:07,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:07,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:35:07,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:07,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:07,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:07,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:35:07,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:07,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:07,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:07,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:35:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:35:07,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:07,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:07,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:07,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:35:07,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:07,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:07,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:07,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:07,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:07,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:07,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:07,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:07,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:07,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:07,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:07,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:35:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:35:07,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:07,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:07,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:35:07,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:07,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:07,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:07,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 12:35:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:07,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:07,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:35:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 12:35:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:07,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:07,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:35:07,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 12:35:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:07,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:07,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:07,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 12:35:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:07,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:07,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:07,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:07,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:07,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:07,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:07,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:07,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 12:35:07,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1249632089] [2020-10-13 12:35:07,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:35:07,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 12:35:07,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311348233] [2020-10-13 12:35:07,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:35:07,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:35:07,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:35:07,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:35:07,177 INFO L87 Difference]: Start difference. First operand 903 states and 1076 transitions. Second operand 8 states. [2020-10-13 12:35:07,456 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:35:09,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:35:09,437 INFO L93 Difference]: Finished difference Result 2235 states and 2819 transitions. [2020-10-13 12:35:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 12:35:09,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 129 [2020-10-13 12:35:09,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:35:09,448 INFO L225 Difference]: With dead ends: 2235 [2020-10-13 12:35:09,448 INFO L226 Difference]: Without dead ends: 1356 [2020-10-13 12:35:09,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2020-10-13 12:35:09,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2020-10-13 12:35:09,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1113. [2020-10-13 12:35:09,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1113 states. [2020-10-13 12:35:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1318 transitions. [2020-10-13 12:35:09,657 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1318 transitions. Word has length 129 [2020-10-13 12:35:09,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:35:09,657 INFO L479 AbstractCegarLoop]: Abstraction has 1113 states and 1318 transitions. [2020-10-13 12:35:09,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:35:09,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1318 transitions. [2020-10-13 12:35:09,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-13 12:35:09,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:35:09,662 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:09,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 12:35:09,662 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:35:09,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:35:09,662 INFO L82 PathProgramCache]: Analyzing trace with hash 844933528, now seen corresponding path program 1 times [2020-10-13 12:35:09,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:35:09,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144694996] [2020-10-13 12:35:09,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:35:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:09,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:09,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-13 12:35:11,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:35:11,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1713 [2020-10-13 12:35:11,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:35:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 12:35:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-13 12:35:11,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,707 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:35:11,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:35:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 12:35:11,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:35:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:11,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:11,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:35:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:11,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:11,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:11,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:35:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:11,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:11,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:35:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:11,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:35:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:35:11,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:35:11,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:35:11,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:35:11,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:35:11,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:35:11,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:35:11,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:35:11,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:35:11,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:35:11,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 12:35:11,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:35:11,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:35:11,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:11,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:35:11,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:35:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:35:11,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:35:11,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 12:35:11,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:35:11,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:11,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:11,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:11,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:11,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:11,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:35:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:35:11,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:11,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:11,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:11,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:11,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:35:11,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:11,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:11,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:11,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:11,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:11,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:11,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:12,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:12,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:12,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:12,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:12,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:12,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 12:35:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:12,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:12,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:12,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:12,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:12,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:12,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:12,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:12,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:12,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:35:12,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:12,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 12:35:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:12,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:12,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:12,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:12,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:12,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:12,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:12,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:35:12,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:35:12,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:35:12,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:12,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 12:35:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:12,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:12,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:12,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 12:35:12,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:12,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:35:12,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:35:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:35:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:35:12,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:12,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:12,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:12,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:12,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:35:12,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:12,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:35:12,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:12,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:35:12,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:12,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 12:35:12,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:12,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:12,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:12,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:12,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:12,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:12,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:35:12,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:12,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:35:12,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:12,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:35:12,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:12,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:35:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:12,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:12,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:12,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:35:12,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:12,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:12,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:35:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:35:12,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:12,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:12,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:12,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:12,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:12,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:12,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:12,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:12,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:12,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:12,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:12,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:12,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 12:35:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:12,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:12,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:12,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:12,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:12,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:12,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:12,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:12,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 12:35:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:12,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:12,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:12,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:12,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:12,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:12,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:12,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:12,237 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-13 12:35:12,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144694996] [2020-10-13 12:35:12,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:35:12,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 12:35:12,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865708388] [2020-10-13 12:35:12,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 12:35:12,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:35:12,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 12:35:12,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:35:12,239 INFO L87 Difference]: Start difference. First operand 1113 states and 1318 transitions. Second operand 14 states. [2020-10-13 12:35:12,676 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:35:13,293 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:35:15,523 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-10-13 12:35:15,978 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-10-13 12:35:16,463 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-10-13 12:35:17,332 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:35:17,603 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:35:17,861 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:35:18,096 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:35:19,754 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:35:20,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:35:20,744 INFO L93 Difference]: Finished difference Result 3413 states and 4683 transitions. [2020-10-13 12:35:20,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-13 12:35:20,744 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2020-10-13 12:35:20,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:35:20,761 INFO L225 Difference]: With dead ends: 3413 [2020-10-13 12:35:20,761 INFO L226 Difference]: Without dead ends: 2528 [2020-10-13 12:35:20,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 68 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=505, Invalid=1945, Unknown=0, NotChecked=0, Total=2450 [2020-10-13 12:35:20,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states. [2020-10-13 12:35:21,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 1835. [2020-10-13 12:35:21,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2020-10-13 12:35:21,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2203 transitions. [2020-10-13 12:35:21,158 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2203 transitions. Word has length 155 [2020-10-13 12:35:21,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:35:21,159 INFO L479 AbstractCegarLoop]: Abstraction has 1835 states and 2203 transitions. [2020-10-13 12:35:21,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 12:35:21,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2203 transitions. [2020-10-13 12:35:21,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-13 12:35:21,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:35:21,163 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:21,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 12:35:21,164 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:35:21,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:35:21,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1119693142, now seen corresponding path program 1 times [2020-10-13 12:35:21,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:35:21,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184668965] [2020-10-13 12:35:21,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:35:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-13 12:35:21,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-13 12:35:21,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:35:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-13 12:35:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:35:21,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,779 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:35:21,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:35:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:21,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:35:21,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:35:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:21,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:21,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:35:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:21,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:21,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:21,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:21,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:35:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:21,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:21,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:35:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:21,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:21,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:35:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 12:35:21,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:35:21,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:35:21,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:35:21,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:35:21,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:35:21,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:35:21,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:21,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:35:21,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:21,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:35:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:35:21,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:21,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:35:21,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:21,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:21,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:21,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:21,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:21,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:35:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:35:21,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:21,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:21,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:21,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:21,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 12:35:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:21,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:21,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 12:35:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:21,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:21,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:21,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:21,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 12:35:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:21,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:21,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:21,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 12:35:21,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:21,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 12:35:21,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:21,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:35:21,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 12:35:21,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:35:21,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:22,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:22,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:22,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:22,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:35:22,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:22,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:35:22,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:22,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:35:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:35:22,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:22,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:35:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:22,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:22,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:22,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:22,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:22,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:22,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:22,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:22,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:22,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:22,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:22,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:35:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:22,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:22,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:22,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:35:22,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:22,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:22,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:35:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:22,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:22,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:35:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:22,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:22,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:22,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:22,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:22,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:22,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:22,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:22,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:22,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:22,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:22,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 12:35:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:22,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:22,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:22,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:22,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:22,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:22,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:22,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:22,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 12:35:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:22,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:22,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:22,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:22,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:22,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:35:22,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:22,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:22,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:22,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:22,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:22,071 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-13 12:35:22,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [184668965] [2020-10-13 12:35:22,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:35:22,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 12:35:22,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197193536] [2020-10-13 12:35:22,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 12:35:22,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:35:22,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 12:35:22,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:35:22,073 INFO L87 Difference]: Start difference. First operand 1835 states and 2203 transitions. Second operand 11 states. [2020-10-13 12:35:23,814 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:35:24,030 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:35:24,259 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:35:24,480 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:35:24,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:35:24,737 INFO L93 Difference]: Finished difference Result 2592 states and 3215 transitions. [2020-10-13 12:35:24,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 12:35:24,738 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 155 [2020-10-13 12:35:24,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:35:24,739 INFO L225 Difference]: With dead ends: 2592 [2020-10-13 12:35:24,739 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:35:24,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-10-13 12:35:24,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:35:24,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:35:24,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:35:24,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:35:24,747 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-10-13 12:35:24,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:35:24,748 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:35:24,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 12:35:24,748 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:35:24,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:35:24,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 12:35:24,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:35:29,060 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 348 DAG size of output: 307 [2020-10-13 12:35:29,981 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 309 [2020-10-13 12:35:33,233 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 304 [2020-10-13 12:35:34,280 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 304 [2020-10-13 12:35:35,944 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 296 [2020-10-13 12:35:36,444 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2020-10-13 12:35:37,001 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 24 [2020-10-13 12:35:37,140 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-13 12:35:37,317 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-10-13 12:35:37,608 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-10-13 12:35:37,787 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-10-13 12:35:37,964 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-13 12:35:38,566 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 27 [2020-10-13 12:35:39,059 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-10-13 12:35:39,316 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:35:40,060 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-10-13 12:35:41,355 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 179 DAG size of output: 35 [2020-10-13 12:35:41,526 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-13 12:35:42,513 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 31 [2020-10-13 12:35:43,202 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 28 [2020-10-13 12:35:45,048 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 253 DAG size of output: 37 [2020-10-13 12:35:45,835 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-10-13 12:35:46,026 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-10-13 12:35:47,816 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 254 DAG size of output: 38 [2020-10-13 12:35:48,997 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 191 DAG size of output: 42 [2020-10-13 12:35:50,194 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 160 DAG size of output: 30 [2020-10-13 12:35:51,118 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 30 [2020-10-13 12:35:51,970 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 29 [2020-10-13 12:35:52,121 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-10-13 12:35:52,768 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 28 [2020-10-13 12:35:53,404 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 34 [2020-10-13 12:35:53,947 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 23 [2020-10-13 12:35:54,713 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-10-13 12:35:54,915 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-10-13 12:35:55,102 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-10-13 12:35:55,293 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-10-13 12:35:55,493 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-10-13 12:35:55,678 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-10-13 12:35:56,159 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-10-13 12:35:56,311 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-13 12:35:56,499 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-10-13 12:35:56,648 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-13 12:35:57,505 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 33 [2020-10-13 12:35:57,716 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-13 12:35:59,042 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 175 DAG size of output: 38 [2020-10-13 12:36:00,839 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 250 DAG size of output: 37 [2020-10-13 12:36:01,247 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 26 [2020-10-13 12:36:01,689 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-10-13 12:36:03,472 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 250 DAG size of output: 37 [2020-10-13 12:36:03,631 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-10-13 12:36:03,799 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-13 12:36:04,655 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 32 [2020-10-13 12:36:04,814 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-10-13 12:36:04,961 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-13 12:36:06,633 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 242 DAG size of output: 38 [2020-10-13 12:36:06,638 INFO L268 CegarLoopResult]: For program point L574(lines 574 578) no Hoare annotation was computed. [2020-10-13 12:36:06,638 INFO L268 CegarLoopResult]: For program point L574-1(lines 574 578) no Hoare annotation was computed. [2020-10-13 12:36:06,638 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-10-13 12:36:06,638 INFO L268 CegarLoopResult]: For program point L568-2(lines 568 589) no Hoare annotation was computed. [2020-10-13 12:36:06,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 543 598) no Hoare annotation was computed. [2020-10-13 12:36:06,639 INFO L268 CegarLoopResult]: For program point L590(lines 567 591) no Hoare annotation was computed. [2020-10-13 12:36:06,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 543 598) no Hoare annotation was computed. [2020-10-13 12:36:06,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 543 598) no Hoare annotation was computed. [2020-10-13 12:36:06,639 INFO L268 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-10-13 12:36:06,639 INFO L268 CegarLoopResult]: For program point L631-1(lines 631 635) no Hoare annotation was computed. [2020-10-13 12:36:06,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 599 658) no Hoare annotation was computed. [2020-10-13 12:36:06,640 INFO L268 CegarLoopResult]: For program point L626(line 626) no Hoare annotation was computed. [2020-10-13 12:36:06,640 INFO L268 CegarLoopResult]: For program point L625-2(lines 625 650) no Hoare annotation was computed. [2020-10-13 12:36:06,640 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 599 658) no Hoare annotation was computed. [2020-10-13 12:36:06,640 INFO L268 CegarLoopResult]: For program point L651(lines 624 652) no Hoare annotation was computed. [2020-10-13 12:36:06,640 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 599 658) no Hoare annotation was computed. [2020-10-13 12:36:06,640 INFO L268 CegarLoopResult]: For program point L644(line 644) no Hoare annotation was computed. [2020-10-13 12:36:06,641 INFO L268 CegarLoopResult]: For program point L644-1(line 644) no Hoare annotation was computed. [2020-10-13 12:36:06,641 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2020-10-13 12:36:06,641 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2020-10-13 12:36:06,641 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2020-10-13 12:36:06,641 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2020-10-13 12:36:06,641 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2020-10-13 12:36:06,642 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 967 989) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-13 12:36:06,642 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2020-10-13 12:36:06,642 INFO L264 CegarLoopResult]: At program point L979(line 979) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-13 12:36:06,642 INFO L264 CegarLoopResult]: At program point L979-1(line 979) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-13 12:36:06,642 INFO L268 CegarLoopResult]: For program point L977(lines 977 984) no Hoare annotation was computed. [2020-10-13 12:36:06,642 INFO L268 CegarLoopResult]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2020-10-13 12:36:06,642 INFO L268 CegarLoopResult]: For program point L975(line 975) no Hoare annotation was computed. [2020-10-13 12:36:06,643 INFO L264 CegarLoopResult]: At program point L974(line 974) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-13 12:36:06,643 INFO L264 CegarLoopResult]: At program point L973(line 973) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-13 12:36:06,643 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 967 989) no Hoare annotation was computed. [2020-10-13 12:36:06,643 INFO L264 CegarLoopResult]: At program point L973-1(line 973) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-13 12:36:06,643 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 926 949) no Hoare annotation was computed. [2020-10-13 12:36:06,643 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 926 949) no Hoare annotation was computed. [2020-10-13 12:36:06,644 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 926 949) no Hoare annotation was computed. [2020-10-13 12:36:06,644 INFO L268 CegarLoopResult]: For program point L944(line 944) no Hoare annotation was computed. [2020-10-13 12:36:06,644 INFO L268 CegarLoopResult]: For program point L943(line 943) no Hoare annotation was computed. [2020-10-13 12:36:06,644 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-10-13 12:36:06,644 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-10-13 12:36:06,644 INFO L268 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-10-13 12:36:06,644 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-10-13 12:36:06,644 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-10-13 12:36:06,645 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-10-13 12:36:06,645 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-10-13 12:36:06,645 INFO L268 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-10-13 12:36:06,645 INFO L268 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-10-13 12:36:06,645 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-10-13 12:36:06,645 INFO L268 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-10-13 12:36:06,645 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-10-13 12:36:06,645 INFO L264 CegarLoopResult]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| 0)) (.cse2 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse5 (not (<= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse5 .cse6 (not (<= 1 ~waterLevel~0)) .cse1) (or .cse5 .cse4 .cse6 .cse3) (or .cse5 .cse4 .cse6 (not (= ~waterLevel~0 1))))) [2020-10-13 12:36:06,646 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 475 489) no Hoare annotation was computed. [2020-10-13 12:36:06,646 INFO L268 CegarLoopResult]: For program point L479(lines 479 485) no Hoare annotation was computed. [2020-10-13 12:36:06,646 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 475 489) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse4 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse5 .cse4 .cse6) (or .cse0 .cse7 .cse1 .cse2 .cse4))) [2020-10-13 12:36:06,646 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 475 489) no Hoare annotation was computed. [2020-10-13 12:36:06,646 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 392 400) no Hoare annotation was computed. [2020-10-13 12:36:06,646 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 392 400) the Hoare annotation is: true [2020-10-13 12:36:06,646 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 392 400) no Hoare annotation was computed. [2020-10-13 12:36:06,646 INFO L268 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2020-10-13 12:36:06,647 INFO L271 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: true [2020-10-13 12:36:06,647 INFO L268 CegarLoopResult]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2020-10-13 12:36:06,647 INFO L268 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-10-13 12:36:06,647 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2020-10-13 12:36:06,647 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2020-10-13 12:36:06,647 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2020-10-13 12:36:06,647 INFO L268 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2020-10-13 12:36:06,647 INFO L268 CegarLoopResult]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2020-10-13 12:36:06,648 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-10-13 12:36:06,648 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 401 436) no Hoare annotation was computed. [2020-10-13 12:36:06,648 INFO L268 CegarLoopResult]: For program point L431-1(line 431) no Hoare annotation was computed. [2020-10-13 12:36:06,648 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 401 436) no Hoare annotation was computed. [2020-10-13 12:36:06,648 INFO L268 CegarLoopResult]: For program point L420(lines 420 428) no Hoare annotation was computed. [2020-10-13 12:36:06,648 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 401 436) no Hoare annotation was computed. [2020-10-13 12:36:06,648 INFO L268 CegarLoopResult]: For program point L420-2(lines 420 428) no Hoare annotation was computed. [2020-10-13 12:36:06,648 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2020-10-13 12:36:06,648 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2020-10-13 12:36:06,648 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 497 542) no Hoare annotation was computed. [2020-10-13 12:36:06,648 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 497 542) no Hoare annotation was computed. [2020-10-13 12:36:06,648 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 497 542) no Hoare annotation was computed. [2020-10-13 12:36:06,649 INFO L268 CegarLoopResult]: For program point L830(lines 830 837) no Hoare annotation was computed. [2020-10-13 12:36:06,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 810 855) no Hoare annotation was computed. [2020-10-13 12:36:06,649 INFO L268 CegarLoopResult]: For program point L824(lines 824 844) no Hoare annotation was computed. [2020-10-13 12:36:06,649 INFO L268 CegarLoopResult]: For program point L824-1(lines 824 844) no Hoare annotation was computed. [2020-10-13 12:36:06,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 810 855) no Hoare annotation was computed. [2020-10-13 12:36:06,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 810 855) no Hoare annotation was computed. [2020-10-13 12:36:06,649 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 957 966) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-13 12:36:06,649 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2020-10-13 12:36:06,649 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2020-10-13 12:36:06,649 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-10-13 12:36:06,649 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 381 391) the Hoare annotation is: true [2020-10-13 12:36:06,649 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 381 391) no Hoare annotation was computed. [2020-10-13 12:36:06,649 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 381 391) no Hoare annotation was computed. [2020-10-13 12:36:06,649 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-10-13 12:36:06,650 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 373 380) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse1))) [2020-10-13 12:36:06,650 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 373 380) no Hoare annotation was computed. [2020-10-13 12:36:06,650 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 373 380) no Hoare annotation was computed. [2020-10-13 12:36:06,650 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-10-13 12:36:06,650 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-10-13 12:36:06,650 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-10-13 12:36:06,650 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-10-13 12:36:06,650 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 322 346) no Hoare annotation was computed. [2020-10-13 12:36:06,650 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not .cse2) (<= 0 ~pumpRunning~0) .cse3 (<= ~pumpRunning~0 0))) (.cse1 (not .cse3))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2)))) [2020-10-13 12:36:06,650 INFO L268 CegarLoopResult]: For program point L341-1(lines 322 346) no Hoare annotation was computed. [2020-10-13 12:36:06,650 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 322 346) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse1))) [2020-10-13 12:36:06,651 INFO L264 CegarLoopResult]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-10-13 12:36:06,651 INFO L264 CegarLoopResult]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~3))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse5 .cse6 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse6 .cse1 .cse3))) [2020-10-13 12:36:06,651 INFO L268 CegarLoopResult]: For program point L330(lines 330 338) no Hoare annotation was computed. [2020-10-13 12:36:06,651 INFO L264 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse2) (or .cse5 .cse6 .cse1 .cse4 .cse3) (or .cse5 .cse0 .cse6 .cse1 .cse3))) [2020-10-13 12:36:06,651 INFO L268 CegarLoopResult]: For program point L328-1(line 328) no Hoare annotation was computed. [2020-10-13 12:36:06,651 INFO L268 CegarLoopResult]: For program point L326(lines 326 343) no Hoare annotation was computed. [2020-10-13 12:36:06,652 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 288 294) no Hoare annotation was computed. [2020-10-13 12:36:06,652 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 288 294) the Hoare annotation is: true [2020-10-13 12:36:06,652 INFO L264 CegarLoopResult]: At program point testENTRY(lines 191 256) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-13 12:36:06,652 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (let ((.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse4 (= ~methaneLevelCritical~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)))) [2020-10-13 12:36:06,652 INFO L268 CegarLoopResult]: For program point L221(lines 221 227) no Hoare annotation was computed. [2020-10-13 12:36:06,652 INFO L268 CegarLoopResult]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2020-10-13 12:36:06,652 INFO L268 CegarLoopResult]: For program point testFINAL(lines 191 256) no Hoare annotation was computed. [2020-10-13 12:36:06,653 INFO L264 CegarLoopResult]: At program point L246(lines 201 248) the Hoare annotation is: (let ((.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse4 (= ~methaneLevelCritical~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)))) [2020-10-13 12:36:06,653 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (let ((.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse4 (= ~methaneLevelCritical~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 (<= 1 ~methaneLevelCritical~0) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)))) [2020-10-13 12:36:06,653 INFO L268 CegarLoopResult]: For program point L211(lines 211 217) no Hoare annotation was computed. [2020-10-13 12:36:06,653 INFO L268 CegarLoopResult]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2020-10-13 12:36:06,653 INFO L268 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-10-13 12:36:06,653 INFO L264 CegarLoopResult]: At program point L249(lines 200 250) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-13 12:36:06,653 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse4 (<= ~pumpRunning~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (<= 2 ~waterLevel~0))) (or (not (<= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (and .cse0 .cse6 .cse7 .cse3) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse6 .cse7))) [2020-10-13 12:36:06,654 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-10-13 12:36:06,654 INFO L264 CegarLoopResult]: At program point L237-1(lines 231 244) the Hoare annotation is: (let ((.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse4 (<= ~pumpRunning~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (<= 2 ~waterLevel~0))) (or (not (<= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (and .cse0 .cse6 .cse7 .cse3) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse6 .cse7))) [2020-10-13 12:36:06,654 INFO L268 CegarLoopResult]: For program point L202(lines 201 248) no Hoare annotation was computed. [2020-10-13 12:36:06,654 INFO L268 CegarLoopResult]: For program point L231(lines 231 244) no Hoare annotation was computed. [2020-10-13 12:36:06,654 INFO L268 CegarLoopResult]: For program point testEXIT(lines 191 256) no Hoare annotation was computed. [2020-10-13 12:36:06,654 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 764 809) no Hoare annotation was computed. [2020-10-13 12:36:06,654 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 764 809) no Hoare annotation was computed. [2020-10-13 12:36:06,654 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 764 809) no Hoare annotation was computed. [2020-10-13 12:36:06,654 INFO L268 CegarLoopResult]: For program point L784(lines 784 791) no Hoare annotation was computed. [2020-10-13 12:36:06,655 INFO L268 CegarLoopResult]: For program point L778(lines 778 798) no Hoare annotation was computed. [2020-10-13 12:36:06,655 INFO L268 CegarLoopResult]: For program point L778-1(lines 778 798) no Hoare annotation was computed. [2020-10-13 12:36:06,655 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 347 354) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:36:06,655 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 347 354) no Hoare annotation was computed. [2020-10-13 12:36:06,655 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 347 354) no Hoare annotation was computed. [2020-10-13 12:36:06,655 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-10-13 12:36:06,655 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-10-13 12:36:06,655 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-10-13 12:36:06,656 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-10-13 12:36:06,656 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-10-13 12:36:06,656 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-10-13 12:36:06,656 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-10-13 12:36:06,656 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-10-13 12:36:06,656 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 661 763) no Hoare annotation was computed. [2020-10-13 12:36:06,656 INFO L268 CegarLoopResult]: For program point L731(lines 709 732) no Hoare annotation was computed. [2020-10-13 12:36:06,656 INFO L268 CegarLoopResult]: For program point L690(lines 690 706) no Hoare annotation was computed. [2020-10-13 12:36:06,656 INFO L268 CegarLoopResult]: For program point L750(lines 750 757) no Hoare annotation was computed. [2020-10-13 12:36:06,657 INFO L268 CegarLoopResult]: For program point L711(lines 710 730) no Hoare annotation was computed. [2020-10-13 12:36:06,657 INFO L268 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-10-13 12:36:06,657 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 661 763) no Hoare annotation was computed. [2020-10-13 12:36:06,657 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-10-13 12:36:06,657 INFO L268 CegarLoopResult]: For program point L707(lines 707 748) no Hoare annotation was computed. [2020-10-13 12:36:06,657 INFO L268 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-10-13 12:36:06,657 INFO L268 CegarLoopResult]: For program point L726-1(line 726) no Hoare annotation was computed. [2020-10-13 12:36:06,657 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 661 763) no Hoare annotation was computed. [2020-10-13 12:36:06,657 INFO L268 CegarLoopResult]: For program point L685(lines 685 689) no Hoare annotation was computed. [2020-10-13 12:36:06,658 INFO L268 CegarLoopResult]: For program point L749(lines 749 760) no Hoare annotation was computed. [2020-10-13 12:36:06,658 INFO L268 CegarLoopResult]: For program point L712(lines 712 716) no Hoare annotation was computed. [2020-10-13 12:36:06,658 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 730) no Hoare annotation was computed. [2020-10-13 12:36:06,658 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 861 870) no Hoare annotation was computed. [2020-10-13 12:36:06,658 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 861 870) no Hoare annotation was computed. [2020-10-13 12:36:06,658 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 861 870) no Hoare annotation was computed. [2020-10-13 12:36:06,658 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:36:06,659 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.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~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#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~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.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~string35.offset| |old(#t~string35.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.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)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#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 12:36:06,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:36:06,659 INFO L264 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-10-13 12:36:06,659 INFO L268 CegarLoopResult]: For program point L367-1(lines 356 372) no Hoare annotation was computed. [2020-10-13 12:36:06,659 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 356 372) no Hoare annotation was computed. [2020-10-13 12:36:06,659 INFO L268 CegarLoopResult]: For program point L363(lines 363 369) no Hoare annotation was computed. [2020-10-13 12:36:06,659 INFO L264 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse2 .cse4))) [2020-10-13 12:36:06,660 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 356 372) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse2 .cse4))) [2020-10-13 12:36:06,660 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-10-13 12:36:06,660 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 118 126) no Hoare annotation was computed. [2020-10-13 12:36:06,660 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-10-13 12:36:06,660 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-10-13 12:36:06,660 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 437 455) no Hoare annotation was computed. [2020-10-13 12:36:06,660 INFO L268 CegarLoopResult]: For program point L446(lines 446 450) no Hoare annotation was computed. [2020-10-13 12:36:06,660 INFO L271 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: true [2020-10-13 12:36:06,661 INFO L268 CegarLoopResult]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2020-10-13 12:36:06,661 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-10-13 12:36:06,661 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 437 455) the Hoare annotation is: true [2020-10-13 12:36:06,661 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 437 455) no Hoare annotation was computed. [2020-10-13 12:36:06,661 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-10-13 12:36:06,661 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 0 ~pumpRunning~0))) (.cse3 (not (<= ~pumpRunning~0 0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= ~waterLevel~0 1)) .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse3) (or (= 0 ~systemActive~0) .cse1 .cse2 .cse4) (or .cse0 (not (<= 1 ~waterLevel~0)) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse3 .cse2))) [2020-10-13 12:36:06,661 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-10-13 12:36:06,662 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:36:06,662 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:36:06,662 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:36:06,662 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-10-13 12:36:06,662 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-10-13 12:36:06,662 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-10-13 12:36:06,662 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse5 (and .cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse9 (not .cse8) (<= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (<= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8) (or .cse5 .cse2 .cse6 .cse8) (or .cse0 .cse1 .cse3 .cse7 .cse4)))) [2020-10-13 12:36:06,662 INFO L264 CegarLoopResult]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse11 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 1 |old(~waterLevel~0)|))) (.cse7 (not (<= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0) .cse11)) (.cse9 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse0 .cse7) (or .cse4 .cse5 .cse6 .cse7 (and .cse8 (not .cse2) .cse9) .cse10) (or .cse1 .cse10 .cse2 .cse3 (and .cse9 .cse11))))) [2020-10-13 12:36:06,663 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 264 287) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (= 0 ~systemActive~0)) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse5 .cse2) (or .cse0 .cse3 .cse4 .cse6) (or .cse0 .cse5 .cse3 .cse6) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse4))) [2020-10-13 12:36:06,663 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse1 .cse4) (or .cse3 .cse6 .cse4 .cse5) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse6 .cse1))) [2020-10-13 12:36:06,663 INFO L268 CegarLoopResult]: For program point L268(lines 267 286) no Hoare annotation was computed. [2020-10-13 12:36:06,663 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 264 287) no Hoare annotation was computed. [2020-10-13 12:36:06,663 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 264 287) no Hoare annotation was computed. [2020-10-13 12:36:06,663 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2020-10-13 12:36:06,663 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 896 925) the Hoare annotation is: true [2020-10-13 12:36:06,663 INFO L271 CegarLoopResult]: At program point L921(lines 896 925) the Hoare annotation is: true [2020-10-13 12:36:06,663 INFO L268 CegarLoopResult]: For program point L917(line 917) no Hoare annotation was computed. [2020-10-13 12:36:06,663 INFO L268 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-10-13 12:36:06,663 INFO L271 CegarLoopResult]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2020-10-13 12:36:06,663 INFO L268 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-10-13 12:36:06,663 INFO L271 CegarLoopResult]: At program point L906-2(lines 906 920) the Hoare annotation is: true [2020-10-13 12:36:06,664 INFO L271 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: true [2020-10-13 12:36:06,664 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-10-13 12:36:06,664 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-10-13 12:36:06,664 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-10-13 12:36:06,664 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-10-13 12:36:06,664 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2020-10-13 12:36:06,664 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2020-10-13 12:36:06,664 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:36:06,664 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-13 12:36:06,665 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:36:06,665 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:36:06,665 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 296 320) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3 .cse4) (or .cse0 .cse2 (not (<= 1 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (<= 2 ~waterLevel~0))))) [2020-10-13 12:36:06,665 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 296 320) no Hoare annotation was computed. [2020-10-13 12:36:06,665 INFO L264 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-10-13 12:36:06,665 INFO L268 CegarLoopResult]: For program point L315-1(lines 296 320) no Hoare annotation was computed. [2020-10-13 12:36:06,665 INFO L264 CegarLoopResult]: At program point L310(line 310) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= processEnvironment__wrappee__highWaterSensor_~tmp~2 0))) (.cse1 (not (<= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse6 .cse5 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse5 .cse7) (or .cse0 .cse1 .cse3 .cse4 .cse6 .cse5))) [2020-10-13 12:36:06,665 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse5)) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (and .cse4 .cse5) (not (<= 1 ~waterLevel~0)) .cse3))) [2020-10-13 12:36:06,666 INFO L268 CegarLoopResult]: For program point L304(lines 304 312) no Hoare annotation was computed. [2020-10-13 12:36:06,666 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3 .cse4) (or .cse0 .cse2 (not (<= 1 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (<= 2 ~waterLevel~0))))) [2020-10-13 12:36:06,666 INFO L268 CegarLoopResult]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-10-13 12:36:06,666 INFO L268 CegarLoopResult]: For program point L300(lines 300 317) no Hoare annotation was computed. [2020-10-13 12:36:06,666 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-10-13 12:36:06,666 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-10-13 12:36:06,666 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= ~pumpRunning~0 0)))) (and (or (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse3 .cse2) (or .cse0 .cse4 .cse3 (= 0 ~systemActive~0)) (or .cse0 .cse4 .cse1 .cse3 .cse2))) [2020-10-13 12:36:06,667 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2020-10-13 12:36:06,667 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2020-10-13 12:36:06,667 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2020-10-13 12:36:06,667 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2020-10-13 12:36:06,667 INFO L268 CegarLoopResult]: For program point L161(lines 161 174) no Hoare annotation was computed. [2020-10-13 12:36:06,667 INFO L268 CegarLoopResult]: For program point L161-1(lines 153 177) no Hoare annotation was computed. [2020-10-13 12:36:06,667 INFO L271 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: true [2020-10-13 12:36:06,667 INFO L268 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-10-13 12:36:06,667 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 153 177) the Hoare annotation is: true [2020-10-13 12:36:06,668 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 153 177) no Hoare annotation was computed. [2020-10-13 12:36:06,668 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= ~pumpRunning~0 0)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1) (or .cse2 .cse3 .cse4 .cse1) (or .cse2 (not (= ~waterLevel~0 1)) .cse3 .cse4) (or .cse3 (not (<= 1 ~waterLevel~0)) .cse0 .cse4))) [2020-10-13 12:36:06,668 INFO L268 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-10-13 12:36:06,668 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (<= ~pumpRunning~0 0)))) (and (or .cse0 (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0))) (or .cse1 .cse2 .cse0 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 (= __utac_acc__Specification1_spec__1_~tmp~0 ~methaneLevelCritical~0) .cse3))) [2020-10-13 12:36:06,668 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-10-13 12:36:06,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:36:06 BoogieIcfgContainer [2020-10-13 12:36:06,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:36:06,691 INFO L168 Benchmark]: Toolchain (without parser) took 129800.83 ms. Allocated memory was 141.0 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 102.8 MB in the beginning and 598.7 MB in the end (delta: -495.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-13 12:36:06,691 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:36:06,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.02 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 102.6 MB in the beginning and 168.9 MB in the end (delta: -66.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:36:06,692 INFO L168 Benchmark]: Boogie Preprocessor took 110.19 ms. Allocated memory is still 203.4 MB. Free memory was 168.9 MB in the beginning and 165.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:36:06,693 INFO L168 Benchmark]: RCFGBuilder took 1249.69 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 164.3 MB in the beginning and 189.4 MB in the end (delta: -25.1 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:36:06,694 INFO L168 Benchmark]: TraceAbstraction took 127814.97 ms. Allocated memory was 235.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 188.0 MB in the beginning and 598.7 MB in the end (delta: -410.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-13 12:36:06,697 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 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 621.02 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 102.6 MB in the beginning and 168.9 MB in the end (delta: -66.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.19 ms. Allocated memory is still 203.4 MB. Free memory was 168.9 MB in the beginning and 165.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1249.69 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 164.3 MB in the beginning and 189.4 MB in the end (delta: -25.1 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 127814.97 ms. Allocated memory was 235.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 188.0 MB in the beginning and 598.7 MB in the end (delta: -410.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) <= 0) || ((((splverifierCounter <= 0 && 0 <= pumpRunning) && 1 <= waterLevel) && 1 <= methaneLevelCritical) && pumpRunning <= 0)) || ((((splverifierCounter <= 0 && methaneLevelCritical == 0) && 0 <= pumpRunning) && 1 <= waterLevel) && pumpRunning <= 0)) || !(\old(waterLevel) == 1)) || \old(systemActive) == 0) || !(0 <= \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((splverifierCounter <= 0 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) <= 0) || !(\old(waterLevel) == 1)) || \old(systemActive) == 0) || !(0 <= \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 85.8s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 41.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 41.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1666 SDtfs, 4501 SDslu, 1785 SDs, 0 SdLazy, 10825 SolverSat, 3270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 621 GetRequests, 412 SyntacticMatches, 10 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1405 ImplicationChecksByTransitivity, 17.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1835occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1537 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 2600 PreInvPairs, 2889 NumberOfFragments, 2594 HoareAnnotationTreeSize, 2600 FomulaSimplifications, 794062122 FormulaSimplificationTreeSizeReduction, 11.1s HoareSimplificationTime, 66 FomulaSimplificationsInter, 5098656 FormulaSimplificationTreeSizeReductionInter, 30.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 42.5s InterpolantComputationTime, 1119 NumberOfCodeBlocks, 1119 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1108 ConstructedInterpolants, 0 QuantifiedInterpolants, 403254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 143/156 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...