/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 SingleStatement --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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:49:21,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:49:21,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:49:21,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:49:21,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:49:21,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:49:21,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:49:21,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:49:21,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:49:21,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:49:21,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:49:21,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:49:21,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:49:21,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:49:21,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:49:21,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:49:21,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:49:21,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:49:21,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:49:21,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:49:21,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:49:21,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:49:21,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:49:21,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:49:21,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:49:21,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:49:21,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:49:21,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:49:21,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:49:21,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:49:21,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:49:21,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:49:21,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:49:21,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:49:21,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:49:21,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:49:21,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:49:21,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:49:21,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:49:21,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:49:21,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:49:21,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 00:49:21,798 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:49:21,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:49:21,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:49:21,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:49:21,800 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:49:21,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:49:21,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:49:21,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:49:21,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:49:21,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:49:21,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:49:21,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:49:21,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:49:21,804 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:49:21,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:49:21,805 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:49:21,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:49:21,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:49:21,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:49:21,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:49:21,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:49:21,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:49:21,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:49:21,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:49:21,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:49:21,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:49:21,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:49:21,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:49:21,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:49:21,811 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 -> SingleStatement 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=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-09-25 00:49:22,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:49:22,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:49:22,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:49:22,323 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:49:22,324 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:49:22,325 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-25 00:49:22,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba99bf569/41d25bcd64644670948c76411d6c9e8f/FLAG531ff1cda [2020-09-25 00:49:23,051 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:49:23,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-25 00:49:23,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba99bf569/41d25bcd64644670948c76411d6c9e8f/FLAG531ff1cda [2020-09-25 00:49:23,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba99bf569/41d25bcd64644670948c76411d6c9e8f [2020-09-25 00:49:23,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:49:23,289 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:49:23,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:49:23,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:49:23,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:49:23,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:49:23" (1/1) ... [2020-09-25 00:49:23,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:23, skipping insertion in model container [2020-09-25 00:49:23,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:49:23" (1/1) ... [2020-09-25 00:49:23,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:49:23,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:49:23,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:49:23,901 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:49:24,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:49:24,088 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:49:24,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:24 WrapperNode [2020-09-25 00:49:24,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:49:24,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:49:24,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:49:24,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:49:24,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:24" (1/1) ... [2020-09-25 00:49:24,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:24" (1/1) ... [2020-09-25 00:49:24,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:24" (1/1) ... [2020-09-25 00:49:24,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:24" (1/1) ... [2020-09-25 00:49:24,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:24" (1/1) ... [2020-09-25 00:49:24,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:24" (1/1) ... [2020-09-25 00:49:24,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:24" (1/1) ... [2020-09-25 00:49:24,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:49:24,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:49:24,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:49:24,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:49:24,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:49:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:49:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:49:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:49:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:49:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:49:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:49:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:49:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:49:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:49:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:49:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:49:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:49:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:49:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 00:49:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:49:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:49:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:49:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:49:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:49:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:49:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:49:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:49:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:49:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 00:49:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:49:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:49:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:49:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:49:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:49:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:49:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:49:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 00:49:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 00:49:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:49:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:49:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:49:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:49:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:49:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:49:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:49:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:49:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:49:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:49:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:49:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:49:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:49:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:49:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:49:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:49:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:49:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:49:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:49:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:49:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:49:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:49:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:49:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:49:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:49:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:49:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 00:49:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:49:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:49:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:49:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:49:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:49:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:49:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:49:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:49:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:49:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:49:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:49:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:49:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:49:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:49:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 00:49:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:49:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:49:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:49:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:49:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 00:49:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 00:49:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:49:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:49:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:49:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:49:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:49:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:49:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:49:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:49:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:49:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:49:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:49:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:49:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:49:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:49:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:49:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:49:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:49:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:49:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:49:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:49:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:49:25,585 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:49:25,585 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:49:25,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:49:25 BoogieIcfgContainer [2020-09-25 00:49:25,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:49:25,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:49:25,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:49:25,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:49:25,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:49:23" (1/3) ... [2020-09-25 00:49:25,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92517e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:49:25, skipping insertion in model container [2020-09-25 00:49:25,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:49:24" (2/3) ... [2020-09-25 00:49:25,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92517e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:49:25, skipping insertion in model container [2020-09-25 00:49:25,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:49:25" (3/3) ... [2020-09-25 00:49:25,604 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-09-25 00:49:25,616 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:49:25,627 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:49:25,647 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:49:25,681 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:49:25,682 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:49:25,682 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:49:25,682 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:49:25,682 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:49:25,682 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:49:25,683 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:49:25,683 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:49:25,712 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2020-09-25 00:49:25,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 00:49:25,733 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:25,735 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:49:25,736 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:25,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:25,744 INFO L82 PathProgramCache]: Analyzing trace with hash -492062203, now seen corresponding path program 1 times [2020-09-25 00:49:25,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:25,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1008312932] [2020-09-25 00:49:25,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:26,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:26,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:27,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:28,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:30,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:31,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:31,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 00:49:31,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:49:31,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 00:49:31,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:31,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:49:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-25 00:49:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:49:31,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 00:49:31,844 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:31,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:31,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:32,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-25 00:49:32,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:32,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:32,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:49:32,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:32,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:32,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:49:32,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:49:32,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:32,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:49:32,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:32,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:32,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:32,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:32,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:32,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:32,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:32,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:49:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:32,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:32,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:32,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:32,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:49:32,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:32,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:32,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:32,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 00:49:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:32,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:49:32,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:32,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:32,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 00:49:32,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 00:49:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:32,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:32,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:32,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:32,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:32,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:49:32,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:32,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:32,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:32,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:32,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 00:49:32,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 00:49:32,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1008312932] [2020-09-25 00:49:32,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:32,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:49:32,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754933820] [2020-09-25 00:49:32,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:49:32,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:32,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:49:32,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:49:32,507 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 9 states. [2020-09-25 00:49:33,449 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:34,376 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:34,821 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:49:36,287 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:36,533 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:36,835 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:37,322 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:37,644 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:49:37,898 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:39,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:39,098 INFO L93 Difference]: Finished difference Result 686 states and 826 transitions. [2020-09-25 00:49:39,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 00:49:39,101 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 00:49:39,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:39,140 INFO L225 Difference]: With dead ends: 686 [2020-09-25 00:49:39,140 INFO L226 Difference]: Without dead ends: 456 [2020-09-25 00:49:39,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 00:49:39,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2020-09-25 00:49:39,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 408. [2020-09-25 00:49:39,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-09-25 00:49:39,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 457 transitions. [2020-09-25 00:49:39,292 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 457 transitions. Word has length 160 [2020-09-25 00:49:39,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:39,293 INFO L479 AbstractCegarLoop]: Abstraction has 408 states and 457 transitions. [2020-09-25 00:49:39,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:49:39,293 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 457 transitions. [2020-09-25 00:49:39,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 00:49:39,300 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:39,300 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:49:39,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:49:39,301 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:39,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:39,301 INFO L82 PathProgramCache]: Analyzing trace with hash -181604155, now seen corresponding path program 1 times [2020-09-25 00:49:39,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:39,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634341523] [2020-09-25 00:49:39,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:39,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:40,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:40,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 00:49:40,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:40,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1050 [2020-09-25 00:49:40,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:40,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:49:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-09-25 00:49:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:40,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:40,800 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:40,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:40,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:40,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:40,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:40,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 00:49:40,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:40,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:40,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:40,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:40,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:40,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:40,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:40,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:40,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:40,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:40,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:40,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:40,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:40,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:41,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:41,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:41,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:41,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:41,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:41,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:41,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:41,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:41,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:41,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:41,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:41,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:41,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:41,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:41,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:41,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:41,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:41,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:41,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:41,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:41,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:41,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 00:49:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:41,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:41,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:41,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:41,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:41,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:41,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 00:49:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:41,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:41,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:41,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:41,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:41,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:41,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:41,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:41,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:41,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:41,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:41,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 00:49:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 00:49:41,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 00:49:41,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:49:41,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:49:41,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:41,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:41,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 00:49:41,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 00:49:41,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:49:41,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 00:49:41,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:41,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:41,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:49:41,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 00:49:41,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:49:41,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:49:41,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:41,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:41,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:41,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 00:49:41,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:49:41,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:41,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:41,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:41,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:41,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:41,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:41,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:41,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:41,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:41,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 00:49:41,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:41,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:41,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 00:49:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:41,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:41,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:41,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:41,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:41,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:41,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 00:49:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:41,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:41,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:41,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:41,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:41,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:41,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:41,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:41,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:41,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:41,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:49:41,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634341523] [2020-09-25 00:49:41,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:41,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 00:49:41,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777296344] [2020-09-25 00:49:41,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 00:49:41,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:41,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 00:49:41,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 00:49:41,578 INFO L87 Difference]: Start difference. First operand 408 states and 457 transitions. Second operand 11 states. [2020-09-25 00:49:43,361 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:43,629 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:49:43,892 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 00:49:44,220 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:44,567 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:49:44,842 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:46,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:46,415 INFO L93 Difference]: Finished difference Result 864 states and 1062 transitions. [2020-09-25 00:49:46,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 00:49:46,416 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-09-25 00:49:46,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:46,423 INFO L225 Difference]: With dead ends: 864 [2020-09-25 00:49:46,423 INFO L226 Difference]: Without dead ends: 571 [2020-09-25 00:49:46,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 00:49:46,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-09-25 00:49:46,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 422. [2020-09-25 00:49:46,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-09-25 00:49:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 477 transitions. [2020-09-25 00:49:46,499 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 477 transitions. Word has length 217 [2020-09-25 00:49:46,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:46,500 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 477 transitions. [2020-09-25 00:49:46,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 00:49:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 477 transitions. [2020-09-25 00:49:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-25 00:49:46,504 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:46,504 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:49:46,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:49:46,505 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:46,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:46,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1832771574, now seen corresponding path program 1 times [2020-09-25 00:49:46,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:46,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141653778] [2020-09-25 00:49:46,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:46,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:46,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:48,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:48,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 00:49:48,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:49:48,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1879 [2020-09-25 00:49:48,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:48,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:48,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-09-25 00:49:48,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:49:48,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:48,773 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:48,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:48,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:48,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:48,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:48,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:48,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 00:49:48,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:48,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:48,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:48,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:48,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:48,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:48,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:48,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:48,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:48,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:48,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:48,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:48,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:48,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:48,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:48,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:48,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:48,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:48,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:48,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:48,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:48,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:48,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:48,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:48,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:48,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:48,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:48,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:48,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:48,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:48,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:48,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:48,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:48,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:48,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:48,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:48,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:48,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:48,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:48,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:48,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:48,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:48,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:48,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:48,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:48,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:48,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:48,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:48,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:48,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:48,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:48,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:48,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:48,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:48,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:49:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:48,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:48,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:48,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:48,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:48,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:48,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:49,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:49,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:49,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:49,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:49,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:49,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:49,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:49,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:49,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:49,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:49,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:49,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:49:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:49,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:49,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:49,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 00:49:49,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:49,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 00:49:49,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:49,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 00:49:49,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:49:49,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:49,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:49,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:49,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:49,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 00:49:49,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:49,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 00:49:49,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:49,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:49,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 00:49:49,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:49:49,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:49,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:49,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:49,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:49,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:49:49,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:49,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 00:49:49,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:49,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:49,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:49:49,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:49:49,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:49,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:49,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:49,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:49,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:49,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:49,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 00:49:49,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:49,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:49:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:49:49,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:49,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:49,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:49,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:49,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:49,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:49,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:49:49,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:49,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:49:49,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:49,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:49,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:49,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:49,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:49,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:49,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:49,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:49,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:49,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:49,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:49,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 00:49:49,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:49,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:49,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 00:49:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:49,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:49,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:49,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:49,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:49,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:49,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:49,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:49,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-25 00:49:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:49,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:49,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:49,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:49,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:49,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:49,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:49,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:49,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:49:49,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141653778] [2020-09-25 00:49:49,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:49,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:49:49,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795783499] [2020-09-25 00:49:49,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:49:49,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:49,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:49:49,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:49:49,456 INFO L87 Difference]: Start difference. First operand 422 states and 477 transitions. Second operand 9 states. [2020-09-25 00:49:50,878 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:51,189 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:49:51,518 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:51,858 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:49:52,173 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:53,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:53,480 INFO L93 Difference]: Finished difference Result 814 states and 995 transitions. [2020-09-25 00:49:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 00:49:53,482 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-09-25 00:49:53,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:53,489 INFO L225 Difference]: With dead ends: 814 [2020-09-25 00:49:53,490 INFO L226 Difference]: Without dead ends: 507 [2020-09-25 00:49:53,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 00:49:53,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-09-25 00:49:53,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 428. [2020-09-25 00:49:53,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-09-25 00:49:53,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 483 transitions. [2020-09-25 00:49:53,571 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 483 transitions. Word has length 204 [2020-09-25 00:49:53,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:53,572 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 483 transitions. [2020-09-25 00:49:53,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:49:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 483 transitions. [2020-09-25 00:49:53,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 00:49:53,576 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:53,576 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:49:53,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:49:53,577 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:53,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:53,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1895973026, now seen corresponding path program 1 times [2020-09-25 00:49:53,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:53,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583254201] [2020-09-25 00:49:53,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:53,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:55,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:55,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 00:49:55,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:55,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1482 [2020-09-25 00:49:55,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:55,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 00:49:55,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 00:49:55,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-25 00:49:55,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:55,558 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:55,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:55,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:55,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:55,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:55,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:55,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-09-25 00:49:55,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:55,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:55,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:55,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 00:49:55,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:55,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:55,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:55,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:55,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:55,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:55,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:55,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:55,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:55,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:55,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:55,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:55,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:55,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:55,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:55,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:55,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:55,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:55,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:55,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:55,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:55,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:55,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:55,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:55,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:55,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:49:55,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:55,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:55,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:55,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:55,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:55,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:55,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:55,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:55,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:55,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:55,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:55,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:55,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:55,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:55,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:55,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:55,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:55,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:55,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:55,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:55,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:55,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:49:55,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:55,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 00:49:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:55,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:55,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:55,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:55,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:55,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:49:55,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:49:55,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:55,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 00:49:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:55,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:55,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:55,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:55,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:55,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:49:55,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:49:55,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:55,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:55,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:55,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:55,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:55,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:55,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:55,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:56,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:56,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 00:49:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 00:49:56,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 00:49:56,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-25 00:49:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:49:56,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:56,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 00:49:56,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 00:49:56,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:56,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 00:49:56,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:56,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:49:56,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 00:49:56,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:56,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:56,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 00:49:56,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:56,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:56,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 00:49:56,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:56,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:56,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:56,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:56,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:56,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:56,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:49:56,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:56,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:56,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:56,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:56,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:56,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:49:56,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:56,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 00:49:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:56,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:56,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:56,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:56,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 00:49:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:56,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:56,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:56,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:56,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:56,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:56,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:56,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:56,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:49:56,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583254201] [2020-09-25 00:49:56,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:56,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:49:56,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367702129] [2020-09-25 00:49:56,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:49:56,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:56,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:49:56,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:49:56,260 INFO L87 Difference]: Start difference. First operand 428 states and 483 transitions. Second operand 8 states. [2020-09-25 00:49:56,860 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:58,415 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:02,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:50:02,538 INFO L93 Difference]: Finished difference Result 1542 states and 2058 transitions. [2020-09-25 00:50:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 00:50:02,540 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-09-25 00:50:02,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:50:02,549 INFO L225 Difference]: With dead ends: 1542 [2020-09-25 00:50:02,549 INFO L226 Difference]: Without dead ends: 1209 [2020-09-25 00:50:02,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-09-25 00:50:02,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2020-09-25 00:50:02,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 859. [2020-09-25 00:50:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2020-09-25 00:50:02,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1021 transitions. [2020-09-25 00:50:02,668 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1021 transitions. Word has length 217 [2020-09-25 00:50:02,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:50:02,668 INFO L479 AbstractCegarLoop]: Abstraction has 859 states and 1021 transitions. [2020-09-25 00:50:02,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:50:02,669 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1021 transitions. [2020-09-25 00:50:02,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-25 00:50:02,673 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:50:02,673 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:50:02,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:50:02,674 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:50:02,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:50:02,674 INFO L82 PathProgramCache]: Analyzing trace with hash -343933007, now seen corresponding path program 1 times [2020-09-25 00:50:02,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:50:02,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589218165] [2020-09-25 00:50:02,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:50:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:02,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:02,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:07,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:07,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-09-25 00:50:07,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:50:07,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 00:50:07,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:07,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 00:50:07,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-25 00:50:07,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-25 00:50:07,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:08,062 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:50:08,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:08,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 00:50:08,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:08,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:50:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:08,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:08,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:08,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:08,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:08,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:50:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:08,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:08,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:08,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:50:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:08,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:08,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:08,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:08,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:50:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:08,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:08,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:08,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:08,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:08,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:50:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:08,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:08,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:08,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:08,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:08,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:50:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:50:08,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:50:08,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:50:08,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:50:08,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:08,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 00:50:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:08,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:08,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:08,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:50:08,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:08,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 00:50:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:50:08,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:50:08,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:50:08,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:08,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:08,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:08,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:08,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:08,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 00:50:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 00:50:08,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 00:50:08,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:50:08,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 00:50:08,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:08,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 00:50:08,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 00:50:08,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 00:50:08,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:08,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:50:08,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 00:50:08,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:08,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 00:50:08,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:08,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:50:08,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 00:50:08,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:08,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:50:08,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:08,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:50:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:50:08,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:08,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:08,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:50:08,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:08,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:50:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:08,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:08,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:08,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:50:08,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:08,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 00:50:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:08,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:50:08,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:08,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:08,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:50:08,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:08,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-25 00:50:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:08,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:08,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:08,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:08,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:08,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:08,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:50:08,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:08,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:50:08,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589218165] [2020-09-25 00:50:08,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:50:08,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-25 00:50:08,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166474492] [2020-09-25 00:50:08,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-25 00:50:08,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:50:08,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-25 00:50:08,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-09-25 00:50:08,830 INFO L87 Difference]: Start difference. First operand 859 states and 1021 transitions. Second operand 15 states. [2020-09-25 00:50:09,476 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:10,369 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189