/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:16:08,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:16:08,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:16:08,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:16:08,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:16:08,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:16:08,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:16:08,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:16:08,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:16:08,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:16:08,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:16:08,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:16:08,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:16:08,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:16:08,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:16:08,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:16:08,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:16:08,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:16:08,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:16:08,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:16:08,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:16:08,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:16:08,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:16:08,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:16:08,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:16:08,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:16:08,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:16:08,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:16:08,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:16:08,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:16:08,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:16:08,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:16:08,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:16:08,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:16:08,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:16:08,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:16:08,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:16:08,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:16:08,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:16:08,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:16:08,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:16:08,705 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 14:16:08,744 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:16:08,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:16:08,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:16:08,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:16:08,747 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:16:08,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:16:08,747 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:16:08,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:16:08,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:16:08,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:16:08,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:16:08,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:16:08,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:16:08,748 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:16:08,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:16:08,749 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:16:08,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:16:08,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:16:08,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:16:08,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:16:08,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:16:08,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:16:08,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:16:08,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:16:08,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:16:08,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:16:08,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:16:08,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:16:08,752 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:16:08,752 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:16:09,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:16:09,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:16:09,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:16:09,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:16:09,220 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:16:09,221 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2020-09-25 14:16:09,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1db4e3813/71f92a44deac4285888b1bb76556b049/FLAGea2a3845c [2020-09-25 14:16:09,890 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:16:09,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2020-09-25 14:16:09,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1db4e3813/71f92a44deac4285888b1bb76556b049/FLAGea2a3845c [2020-09-25 14:16:10,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1db4e3813/71f92a44deac4285888b1bb76556b049 [2020-09-25 14:16:10,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:16:10,223 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:16:10,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:16:10,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:16:10,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:16:10,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:16:10" (1/1) ... [2020-09-25 14:16:10,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:10, skipping insertion in model container [2020-09-25 14:16:10,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:16:10" (1/1) ... [2020-09-25 14:16:10,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:16:10,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:16:10,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:16:10,914 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:16:10,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:16:11,038 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:16:11,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:11 WrapperNode [2020-09-25 14:16:11,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:16:11,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:16:11,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:16:11,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:16:11,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:11" (1/1) ... [2020-09-25 14:16:11,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:11" (1/1) ... [2020-09-25 14:16:11,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:11" (1/1) ... [2020-09-25 14:16:11,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:11" (1/1) ... [2020-09-25 14:16:11,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:11" (1/1) ... [2020-09-25 14:16:11,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:11" (1/1) ... [2020-09-25 14:16:11,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:11" (1/1) ... [2020-09-25 14:16:11,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:16:11,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:16:11,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:16:11,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:16:11,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:11" (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 14:16:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:16:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:16:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:16:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:16:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:16:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:16:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:16:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:16:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:16:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:16:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:16:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:16:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:16:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:16:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:16:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:16:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:16:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:16:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:16:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:16:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:16:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:16:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:16:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:16:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 14:16:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:16:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:16:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:16:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 14:16:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:16:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 14:16:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:16:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:16:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:16:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:16:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:16:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 14:16:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 14:16:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:16:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:16:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:16:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:16:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:16:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:16:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:16:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:16:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:16:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:16:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:16:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:16:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:16:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:16:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:16:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:16:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:16:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:16:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:16:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:16:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:16:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:16:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:16:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:16:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:16:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:16:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:16:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:16:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:16:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:16:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:16:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:16:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:16:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:16:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:16:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:16:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:16:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:16:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:16:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:16:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:16:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:16:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 14:16:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 14:16:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:16:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:16:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:16:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:16:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:16:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:16:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 14:16:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 14:16:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:16:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 14:16:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:16:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:16:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:16:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:16:12,323 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:16:12,324 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:16:12,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:16:12 BoogieIcfgContainer [2020-09-25 14:16:12,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:16:12,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:16:12,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:16:12,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:16:12,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:16:10" (1/3) ... [2020-09-25 14:16:12,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a273959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:16:12, skipping insertion in model container [2020-09-25 14:16:12,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:16:11" (2/3) ... [2020-09-25 14:16:12,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a273959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:16:12, skipping insertion in model container [2020-09-25 14:16:12,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:16:12" (3/3) ... [2020-09-25 14:16:12,341 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2020-09-25 14:16:12,352 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:16:12,363 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:16:12,385 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:16:12,415 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:16:12,415 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:16:12,415 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:16:12,415 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:16:12,415 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:16:12,416 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:16:12,416 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:16:12,416 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:16:12,442 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states. [2020-09-25 14:16:12,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 14:16:12,460 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:16:12,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:12,462 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:16:12,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:16:12,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1219807064, now seen corresponding path program 1 times [2020-09-25 14:16:12,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:16:12,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489843881] [2020-09-25 14:16:12,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:16:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:12,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:13,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:14,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:15,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:16,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:17,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:17,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:17,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 14:16:17,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:16:17,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-09-25 14:16:17,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:17,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:17,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:16:17,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 14:16:17,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 14:16:17,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-09-25 14:16:18,516 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:18,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:18,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:18,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:18,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:18,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:18,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-09-25 14:16:18,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:18,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 14:16:18,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:19,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:19,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:19,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:19,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:19,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:19,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:16:19,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:19,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:19,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:19,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:19,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:19,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:19,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:19,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:19,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:16:19,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:19,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:19,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:19,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:19,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:19,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:19,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:19,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:19,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:19,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:19,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:19,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 14:16:19,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:19,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:19,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:19,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:19,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:19,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:19,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:19,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:19,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:16:19,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:19,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:19,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:19,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:19,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:19,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:16:19,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:19,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:19,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:19,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:19,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:16:19,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:19,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:19,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:19,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:19,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:16:19,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:19,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:16:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:19,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:19,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:19,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:19,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:19,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:19,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:19,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:19,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:19,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:19,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:16:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:19,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:19,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:19,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:19,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:19,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:16:19,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:19,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:19,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:19,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:19,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:19,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:16:19,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489843881] [2020-09-25 14:16:19,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:16:19,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 14:16:19,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315426775] [2020-09-25 14:16:19,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:16:19,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:19,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:16:19,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:16:19,281 INFO L87 Difference]: Start difference. First operand 318 states. Second operand 5 states. [2020-09-25 14:16:20,052 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:16:21,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:21,321 INFO L93 Difference]: Finished difference Result 478 states and 569 transitions. [2020-09-25 14:16:21,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:16:21,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 14:16:21,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:21,349 INFO L225 Difference]: With dead ends: 478 [2020-09-25 14:16:21,349 INFO L226 Difference]: Without dead ends: 306 [2020-09-25 14:16:21,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:16:21,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-25 14:16:21,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 257. [2020-09-25 14:16:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-09-25 14:16:21,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 279 transitions. [2020-09-25 14:16:21,540 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 279 transitions. Word has length 148 [2020-09-25 14:16:21,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:21,541 INFO L479 AbstractCegarLoop]: Abstraction has 257 states and 279 transitions. [2020-09-25 14:16:21,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:16:21,541 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 279 transitions. [2020-09-25 14:16:21,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 14:16:21,546 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:16:21,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:21,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:16:21,546 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:16:21,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:16:21,547 INFO L82 PathProgramCache]: Analyzing trace with hash 2081195718, now seen corresponding path program 1 times [2020-09-25 14:16:21,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:16:21,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759928038] [2020-09-25 14:16:21,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:16:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:21,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:21,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:23,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:23,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:23,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:26,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:26,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-25 14:16:26,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:16:26,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 14:16:26,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:26,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:26,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:16:26,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 14:16:26,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-25 14:16:26,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:27,010 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:27,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:27,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:27,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:27,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:27,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:27,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-09-25 14:16:27,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:27,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 14:16:27,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:27,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:27,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:27,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:27,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:27,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:27,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:27,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:27,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:27,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:27,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:27,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:27,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:27,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:27,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:27,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:27,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:27,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:27,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:27,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:27,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:27,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:27,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:27,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:16:27,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:27,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:27,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:27,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:27,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:27,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:27,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:27,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:27,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:27,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:27,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:27,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:27,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:27,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:27,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:27,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:27,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:27,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:27,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:27,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:27,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:27,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:16:27,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:27,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 14:16:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:27,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:27,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:27,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:16:27,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:27,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:27,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:27,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:27,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:27,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:27,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 14:16:27,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:27,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:27,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:27,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:27,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:27,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:27,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:27,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:27,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:27,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:27,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:27,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:27,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:27,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:27,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:27,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:27,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:27,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:27,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:27,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:27,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:27,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:27,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 14:16:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:27,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:27,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:27,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:27,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:27,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:16:27,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:27,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:27,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:16:27,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:27,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:27,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:27,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 14:16:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:27,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:27,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:27,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:27,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:27,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:27,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:27,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:27,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:27,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:27,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:27,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:16:27,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759928038] [2020-09-25 14:16:27,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:16:27,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:16:27,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801731068] [2020-09-25 14:16:27,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:16:27,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:27,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:16:27,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:16:27,478 INFO L87 Difference]: Start difference. First operand 257 states and 279 transitions. Second operand 10 states. [2020-09-25 14:16:27,979 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:16:28,995 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:16:29,353 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:16:30,278 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:16:30,624 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:31,473 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:16:31,798 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:32,089 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:16:32,636 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:16:33,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:33,437 INFO L93 Difference]: Finished difference Result 659 states and 805 transitions. [2020-09-25 14:16:33,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 14:16:33,437 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-09-25 14:16:33,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:33,445 INFO L225 Difference]: With dead ends: 659 [2020-09-25 14:16:33,445 INFO L226 Difference]: Without dead ends: 499 [2020-09-25 14:16:33,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 14:16:33,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-09-25 14:16:33,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 371. [2020-09-25 14:16:33,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-09-25 14:16:33,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 410 transitions. [2020-09-25 14:16:33,560 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 410 transitions. Word has length 162 [2020-09-25 14:16:33,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:33,561 INFO L479 AbstractCegarLoop]: Abstraction has 371 states and 410 transitions. [2020-09-25 14:16:33,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:16:33,561 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 410 transitions. [2020-09-25 14:16:33,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-25 14:16:33,564 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:16:33,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:33,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:16:33,565 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:16:33,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:16:33,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1743153133, now seen corresponding path program 1 times [2020-09-25 14:16:33,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:16:33,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926501372] [2020-09-25 14:16:33,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:16:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:33,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:34,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:37,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:38,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:38,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-25 14:16:38,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:16:38,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 14:16:38,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:38,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:38,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:16:38,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 14:16:38,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-25 14:16:38,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:38,945 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:38,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:38,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:39,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:39,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:39,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:39,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-25 14:16:39,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:39,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:39,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:39,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:39,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:39,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:39,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:39,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:39,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:39,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:39,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:39,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:39,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:39,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:39,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:39,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:39,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:39,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:39,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:39,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:39,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:39,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:39,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:39,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:39,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:39,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:39,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:39,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:39,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:39,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:39,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:39,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:39,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:39,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:39,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:39,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:39,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:39,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:39,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:39,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:39,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:39,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:39,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:39,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:39,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:39,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:39,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:39,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:39,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:39,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:39,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:39,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:39,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 14:16:39,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:39,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:16:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:39,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:39,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:39,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:16:39,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:39,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:16:39,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:39,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:39,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:16:39,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:39,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:16:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:39,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:39,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:39,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:39,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:39,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:39,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:39,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:39,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:39,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:39,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:16:39,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:39,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 14:16:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:39,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:39,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:39,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:16:39,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:39,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:39,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:39,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 14:16:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:39,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:39,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:39,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:39,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:39,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:39,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:39,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:39,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:39,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:39,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:39,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:39,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:39,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:39,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:39,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:39,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:39,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:39,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:39,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 14:16:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:39,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:39,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:39,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:39,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:39,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:39,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:39,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:39,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:39,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:39,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:39,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:39,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-25 14:16:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:39,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:39,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:39,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:39,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:39,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:39,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:39,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:39,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:39,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:39,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:39,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:39,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:16:39,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926501372] [2020-09-25 14:16:39,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:16:39,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:16:39,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554407775] [2020-09-25 14:16:39,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:16:39,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:39,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:16:39,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:16:39,274 INFO L87 Difference]: Start difference. First operand 371 states and 410 transitions. Second operand 8 states. [2020-09-25 14:16:39,967 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:16:43,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:43,929 INFO L93 Difference]: Finished difference Result 1227 states and 1660 transitions. [2020-09-25 14:16:43,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 14:16:43,930 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2020-09-25 14:16:43,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:43,941 INFO L225 Difference]: With dead ends: 1227 [2020-09-25 14:16:43,941 INFO L226 Difference]: Without dead ends: 1224 [2020-09-25 14:16:43,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=233, Invalid=637, Unknown=0, NotChecked=0, Total=870 [2020-09-25 14:16:43,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2020-09-25 14:16:44,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 515. [2020-09-25 14:16:44,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2020-09-25 14:16:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 582 transitions. [2020-09-25 14:16:44,084 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 582 transitions. Word has length 180 [2020-09-25 14:16:44,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:44,085 INFO L479 AbstractCegarLoop]: Abstraction has 515 states and 582 transitions. [2020-09-25 14:16:44,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:16:44,086 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 582 transitions. [2020-09-25 14:16:44,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-09-25 14:16:44,091 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:16:44,091 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 14:16:44,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:16:44,092 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:16:44,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:16:44,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1744865838, now seen corresponding path program 1 times [2020-09-25 14:16:44,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:16:44,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578045433] [2020-09-25 14:16:44,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:16:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:44,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:44,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:44,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:44,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:44,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:45,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:49,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 337 [2020-09-25 14:16:49,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 14:16:49,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 14:16:49,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:49,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 14:16:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-09-25 14:16:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-25 14:16:49,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:49,490 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:49,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:49,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:49,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:49,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:49,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-25 14:16:49,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:49,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:49,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:49,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:49,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:49,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:49,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:49,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:49,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:49,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:49,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:49,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:49,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:49,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:49,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:49,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:49,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:49,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:49,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:49,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:49,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:49,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:49,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:49,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:49,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:49,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:49,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:49,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:49,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:49,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:49,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:49,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:49,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:49,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:49,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:49,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:49,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:49,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:49,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:49,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:49,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:49,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:49,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:49,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:49,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:49,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:49,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:49,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:49,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:49,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:49,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:49,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:16:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:49,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:49,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:16:49,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:49,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:49,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:49,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:49,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:49,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:49,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:49,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:16:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:49,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:49,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:49,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:49,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:49,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:49,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:49,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:49,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:49,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:49,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 14:16:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:49,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:49,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-25 14:16:49,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:16:49,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-09-25 14:16:49,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:49,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:49,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:49,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:16:49,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:49,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:49,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:49,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:16:49,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:16:49,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 14:16:49,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:49,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:16:49,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:49,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:49,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:49,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:49,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:49,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:49,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:16:49,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:49,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:49,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:49,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:49,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 14:16:49,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:49,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:50,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:50,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:50,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:50,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:50,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 14:16:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 14:16:50,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:50,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:50,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:50,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:50,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 14:16:50,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:50,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:50,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:50,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:50,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:50,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:50,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:50,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:50,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 14:16:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 14:16:50,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:16:50,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-09-25 14:16:50,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:16:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 14:16:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 14:16:50,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:50,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:16:50,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:16:50,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 14:16:50,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:16:50,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:50,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:50,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:50,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:50,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 14:16:50,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:50,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:50,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:50,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:50,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:50,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:50,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:50,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 14:16:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 14:16:50,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:50,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 14:16:50,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:16:50,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:16:50,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:16:50,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:50,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:50,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:50,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:50,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:50,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:50,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:50,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:50,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 14:16:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:50,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:50,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:16:50,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:16:50,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:16:50,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:50,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-25 14:16:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:16:50,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:50,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:50,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 14:16:50,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:50,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:50,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:50,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:50,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:50,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:50,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:50,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:50,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:50,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:50,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:50,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:50,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:50,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:50,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:50,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-25 14:16:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:50,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:50,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:50,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:50,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:50,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-09-25 14:16:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:50,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:50,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:50,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:50,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:50,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:50,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:50,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:50,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-09-25 14:16:50,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578045433] [2020-09-25 14:16:50,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:16:50,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-25 14:16:50,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162063888] [2020-09-25 14:16:50,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 14:16:50,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:50,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 14:16:50,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-25 14:16:50,801 INFO L87 Difference]: Start difference. First operand 515 states and 582 transitions. Second operand 14 states. [2020-09-25 14:16:51,417 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:16:52,874 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:16:53,169 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:53,562 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:16:53,878 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:54,178 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:16:54,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:54,886 INFO L93 Difference]: Finished difference Result 824 states and 1008 transitions. [2020-09-25 14:16:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 14:16:54,887 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 268 [2020-09-25 14:16:54,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:54,888 INFO L225 Difference]: With dead ends: 824 [2020-09-25 14:16:54,888 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:16:54,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=353, Invalid=979, Unknown=0, NotChecked=0, Total=1332 [2020-09-25 14:16:54,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:16:54,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:16:54,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:16:54,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:16:54,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 268 [2020-09-25 14:16:54,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:54,897 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:16:54,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 14:16:54,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:16:54,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:16:54,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:16:54,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:16:55,339 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 14:16:55,517 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:16:55,697 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:56,348 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 80 [2020-09-25 14:16:56,534 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:16:56,928 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 14:16:57,111 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:57,271 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192