/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=0.4 --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_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:09:42,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:09:42,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:09:42,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:09:42,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:09:42,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:09:42,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:09:42,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:09:42,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:09:42,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:09:42,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:09:42,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:09:42,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:09:42,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:09:42,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:09:42,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:09:42,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:09:42,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:09:42,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:09:42,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:09:42,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:09:42,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:09:42,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:09:42,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:09:42,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:09:42,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:09:42,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:09:42,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:09:42,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:09:42,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:09:42,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:09:42,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:09:42,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:09:42,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:09:42,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:09:42,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:09:42,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:09:42,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:09:42,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:09:42,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:09:42,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:09:42,438 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 13:09:42,465 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:09:42,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:09:42,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:09:42,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:09:42,467 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:09:42,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:09:42,467 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:09:42,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:09:42,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:09:42,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:09:42,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:09:42,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:09:42,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:09:42,469 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:09:42,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:09:42,469 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:09:42,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:09:42,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:09:42,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:09:42,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:09:42,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:09:42,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:09:42,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:09:42,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:09:42,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:09:42,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:09:42,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:09:42,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:09:42,472 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:09:42,472 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 13:09:42,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:09:42,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:09:42,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:09:42,982 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:09:42,983 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:09:42,984 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-09-25 13:09:43,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b75ecc3e/98637bdd563048f3880a1a5e7515ba3e/FLAG061ed2961 [2020-09-25 13:09:43,704 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:09:43,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-09-25 13:09:43,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b75ecc3e/98637bdd563048f3880a1a5e7515ba3e/FLAG061ed2961 [2020-09-25 13:09:43,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b75ecc3e/98637bdd563048f3880a1a5e7515ba3e [2020-09-25 13:09:43,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:09:43,990 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:09:43,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:09:43,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:09:43,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:09:43,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:43" (1/1) ... [2020-09-25 13:09:44,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4365ba2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:43, skipping insertion in model container [2020-09-25 13:09:44,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:43" (1/1) ... [2020-09-25 13:09:44,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:09:44,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:09:44,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:09:44,594 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:09:44,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:09:44,730 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:09:44,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:44 WrapperNode [2020-09-25 13:09:44,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:09:44,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:09:44,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:09:44,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:09:44,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:44" (1/1) ... [2020-09-25 13:09:44,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:44" (1/1) ... [2020-09-25 13:09:44,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:44" (1/1) ... [2020-09-25 13:09:44,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:44" (1/1) ... [2020-09-25 13:09:44,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:44" (1/1) ... [2020-09-25 13:09:44,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:44" (1/1) ... [2020-09-25 13:09:44,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:44" (1/1) ... [2020-09-25 13:09:44,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:09:44,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:09:44,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:09:44,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:09:44,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:44" (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 13:09:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:09:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:09:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:09:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:09:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:09:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:09:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:09:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:09:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:09:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:09:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:09:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:09:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:09:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:09:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:09:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 13:09:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:09:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:09:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:09:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:09:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:09:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:09:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:09:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:09:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 13:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:09:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:09:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:09:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:09:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:09:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:09:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:09:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:09:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:09:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:09:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:09:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:09:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:09:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:09:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:09:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:09:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:09:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:09:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:09:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:09:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:09:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:09:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:09:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:09:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:09:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:09:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 13:09:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:09:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:09:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:09:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:09:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:09:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:09:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:09:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:09:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:09:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:09:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 13:09:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:09:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:09:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:09:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:09:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:09:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:09:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:09:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:09:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:09:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:09:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:09:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:09:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:09:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:09:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:09:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:09:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:09:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:09:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:09:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:09:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:09:46,313 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:09:46,313 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:09:46,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:46 BoogieIcfgContainer [2020-09-25 13:09:46,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:09:46,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:09:46,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:09:46,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:09:46,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:09:43" (1/3) ... [2020-09-25 13:09:46,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67626bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:46, skipping insertion in model container [2020-09-25 13:09:46,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:44" (2/3) ... [2020-09-25 13:09:46,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67626bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:46, skipping insertion in model container [2020-09-25 13:09:46,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:46" (3/3) ... [2020-09-25 13:09:46,331 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2020-09-25 13:09:46,344 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:09:46,356 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:09:46,382 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:09:46,424 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:09:46,424 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:09:46,424 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:09:46,424 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:09:46,425 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:09:46,425 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:09:46,425 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:09:46,425 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:09:46,458 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states. [2020-09-25 13:09:46,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 13:09:46,477 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:09:46,479 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 13:09:46,480 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:09:46,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:09:46,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1663481443, now seen corresponding path program 1 times [2020-09-25 13:09:46,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:09:46,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781434793] [2020-09-25 13:09:46,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:09:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:47,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:47,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:47,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:48,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:49,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:51,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:51,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 13:09:51,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:09:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 13:09:51,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:51,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:09:51,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 13:09:51,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:09:52,468 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:09:52,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:09:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:52,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:52,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:52,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:09:52,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:52,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-09-25 13:09:52,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:52,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:09:52,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:52,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:09:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:52,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:52,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:52,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:52,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:52,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:09:52,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:52,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:52,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:52,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:09:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:52,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:52,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:52,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:52,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:52,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:52,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:52,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:52,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:52,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:09:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:52,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:52,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:52,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:52,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:52,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:09:52,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:52,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:52,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:52,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:52,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:09:52,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:52,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:09:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:52,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:52,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:52,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:52,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:09:52,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:52,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:52,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:52,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:52,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:53,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:09:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:53,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:53,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:53,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:09:53,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:53,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:09:53,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:53,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:53,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:53,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:53,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:09:53,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:53,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:09:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:53,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:53,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:53,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:53,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:53,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:53,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:53,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:53,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:09:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:53,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:53,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:53,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:53,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:53,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:53,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:53,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:53,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:53,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:53,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:53,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:53,067 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 13:09:53,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781434793] [2020-09-25 13:09:53,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:09:53,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:09:53,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224141013] [2020-09-25 13:09:53,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:09:53,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:09:53,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:09:53,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:09:53,099 INFO L87 Difference]: Start difference. First operand 327 states. Second operand 5 states. [2020-09-25 13:09:53,696 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:09:54,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:09:54,954 INFO L93 Difference]: Finished difference Result 502 states and 591 transitions. [2020-09-25 13:09:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:09:54,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 13:09:54,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:09:54,994 INFO L225 Difference]: With dead ends: 502 [2020-09-25 13:09:54,994 INFO L226 Difference]: Without dead ends: 317 [2020-09-25 13:09:55,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:09:55,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-09-25 13:09:55,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 270. [2020-09-25 13:09:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-09-25 13:09:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 292 transitions. [2020-09-25 13:09:55,121 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 292 transitions. Word has length 148 [2020-09-25 13:09:55,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:09:55,122 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 292 transitions. [2020-09-25 13:09:55,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:09:55,122 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 292 transitions. [2020-09-25 13:09:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-25 13:09:55,127 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:09:55,128 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] [2020-09-25 13:09:55,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:09:55,128 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:09:55,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:09:55,129 INFO L82 PathProgramCache]: Analyzing trace with hash 588701941, now seen corresponding path program 1 times [2020-09-25 13:09:55,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:09:55,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213460416] [2020-09-25 13:09:55,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:09:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:55,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:55,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:55,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:57,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:58,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:58,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:58,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:00,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:00,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-25 13:10:00,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 13:10:00,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 13:10:00,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:00,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:10:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 13:10:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-25 13:10:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:00,600 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:10:00,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:00,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:00,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:00,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:10:00,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:00,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-25 13:10:00,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:00,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:00,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:00,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:00,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 13:10:00,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:00,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:10:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:00,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:00,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:00,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:00,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:00,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:00,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:00,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:00,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:00,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:00,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:00,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:00,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:10:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:00,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:00,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:00,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:00,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:00,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:00,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:00,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:00,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:00,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:10:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:00,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:00,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:00,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:00,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:00,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:10:00,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:00,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:00,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:00,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:10:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:00,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:00,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:00,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:00,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:00,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:00,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:00,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:00,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:01,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:10:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:01,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:01,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:01,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:01,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:01,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:01,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:01,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:01,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:01,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:01,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:10:01,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:01,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 13:10:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:01,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:01,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:01,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:01,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:10:01,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:01,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 13:10:01,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:01,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 13:10:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 13:10:01,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:01,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:01,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:01,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:10:01,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:01,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:01,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:01,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:01,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:01,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:01,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:01,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:01,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:01,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:01,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:01,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:01,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:01,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:01,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 13:10:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:01,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:01,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:01,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:01,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:01,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:10:01,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:01,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:10:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:01,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:01,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 13:10:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:01,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:01,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:01,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:01,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:01,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:01,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:01,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:01,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:01,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:01,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:01,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:01,219 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 13:10:01,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213460416] [2020-09-25 13:10:01,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:10:01,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 13:10:01,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142933215] [2020-09-25 13:10:01,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 13:10:01,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:01,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 13:10:01,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:10:01,225 INFO L87 Difference]: Start difference. First operand 270 states and 292 transitions. Second operand 10 states. [2020-09-25 13:10:01,788 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:10:03,272 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:10:03,612 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:10:03,996 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:10:04,407 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:10:04,769 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:10:05,476 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:10:05,798 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:10:06,288 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:10:07,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:10:07,540 INFO L93 Difference]: Finished difference Result 693 states and 834 transitions. [2020-09-25 13:10:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 13:10:07,541 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2020-09-25 13:10:07,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:10:07,549 INFO L225 Difference]: With dead ends: 693 [2020-09-25 13:10:07,549 INFO L226 Difference]: Without dead ends: 520 [2020-09-25 13:10:07,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 13:10:07,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-09-25 13:10:07,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 397. [2020-09-25 13:10:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-09-25 13:10:07,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 436 transitions. [2020-09-25 13:10:07,645 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 436 transitions. Word has length 171 [2020-09-25 13:10:07,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:10:07,646 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 436 transitions. [2020-09-25 13:10:07,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 13:10:07,646 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 436 transitions. [2020-09-25 13:10:07,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 13:10:07,649 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:10:07,649 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] [2020-09-25 13:10:07,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:10:07,650 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:10:07,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:10:07,650 INFO L82 PathProgramCache]: Analyzing trace with hash 985269073, now seen corresponding path program 1 times [2020-09-25 13:10:07,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:10:07,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [746065875] [2020-09-25 13:10:07,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:10:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:07,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:08,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:08,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:10,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:10,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:12,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:12,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:12,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 13:10:12,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 13:10:12,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 13:10:12,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:12,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:10:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 13:10:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-25 13:10:12,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 13:10:13,024 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:10:13,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:13,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:13,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:10:13,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:13,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 13:10:13,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:13,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:13,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:13,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:10:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:13,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:13,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:13,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:13,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:13,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:13,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:13,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:13,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:10:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:13,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:13,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:13,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:13,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:13,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:13,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:13,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:13,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:13,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:13,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:13,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:10:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:13,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:13,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:13,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:13,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:13,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:13,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:13,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:13,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:13,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:13,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:13,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:10:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:13,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:13,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:13,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:13,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:13,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:13,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:13,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:13,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:13,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:13,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:10:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:13,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:13,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:13,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:13,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:13,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:13,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:13,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:13,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:13,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 13:10:13,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:13,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:10:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:13,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:13,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:10:13,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:13,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:10:13,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:13,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:13,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:13,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:13,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:13,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:13,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 13:10:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:13,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:13,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:10:13,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:13,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 13:10:13,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:13,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:13,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 13:10:13,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:13,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:13,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:13,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:10:13,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:13,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:13,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:13,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:13,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:13,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:13,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:13,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:13,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:13,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:13,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:13,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:13,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:13,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:13,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:13,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:13,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:13,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 13:10:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:13,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:13,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:13,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:13,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:13,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:13,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:13,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:13,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:13,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:13,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:13,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 13:10:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:13,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:13,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:13,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:13,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:13,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:13,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:13,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:13,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:13,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:13,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:13,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:13,398 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 13:10:13,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [746065875] [2020-09-25 13:10:13,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:10:13,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:10:13,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891322593] [2020-09-25 13:10:13,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:10:13,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:13,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:10:13,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:10:13,403 INFO L87 Difference]: Start difference. First operand 397 states and 436 transitions. Second operand 7 states. [2020-09-25 13:10:14,213 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:10:17,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:10:17,319 INFO L93 Difference]: Finished difference Result 978 states and 1236 transitions. [2020-09-25 13:10:17,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 13:10:17,320 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-09-25 13:10:17,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:10:17,328 INFO L225 Difference]: With dead ends: 978 [2020-09-25 13:10:17,328 INFO L226 Difference]: Without dead ends: 975 [2020-09-25 13:10:17,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-09-25 13:10:17,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2020-09-25 13:10:17,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 554. [2020-09-25 13:10:17,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-09-25 13:10:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 621 transitions. [2020-09-25 13:10:17,450 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 621 transitions. Word has length 176 [2020-09-25 13:10:17,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:10:17,451 INFO L479 AbstractCegarLoop]: Abstraction has 554 states and 621 transitions. [2020-09-25 13:10:17,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:10:17,451 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 621 transitions. [2020-09-25 13:10:17,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 13:10:17,456 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:10:17,456 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:10:17,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:10:17,457 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:10:17,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:10:17,457 INFO L82 PathProgramCache]: Analyzing trace with hash -683274700, now seen corresponding path program 1 times [2020-09-25 13:10:17,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:10:17,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684582181] [2020-09-25 13:10:17,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:10:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:17,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:17,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:17,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:19,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:21,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:22,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:22,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:22,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-25 13:10:22,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-25 13:10:22,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 13:10:22,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:22,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:22,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:22,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-09-25 13:10:22,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-25 13:10:22,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:22,814 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:10:22,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:22,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:22,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:22,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:10:22,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:22,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 13:10:22,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:22,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:22,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:22,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:22,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:22,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:22,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:10:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:22,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:22,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:22,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:22,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:22,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:22,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:22,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:22,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:22,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:22,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:22,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:22,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:10:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:22,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:22,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:22,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:22,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:22,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:22,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:22,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:22,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:22,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:22,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:10:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:22,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:22,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:22,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:22,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:22,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:22,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:22,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:22,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:22,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:10:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:22,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:22,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:22,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:22,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:22,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:22,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:22,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:22,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:22,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:22,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:22,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:22,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:10:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:22,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:22,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:22,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:22,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:22,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:22,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:22,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:22,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:22,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:22,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:22,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:23,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:10:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:23,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:23,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:10:23,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:23,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:23,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:23,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:23,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:23,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:10:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:23,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:23,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 13:10:23,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 13:10:23,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 454 [2020-09-25 13:10:23,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:23,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:23,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:10:23,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:23,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 13:10:23,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:23,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:23,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:23,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:10:23,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:23,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:10:23,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:23,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:23,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:23,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 13:10:23,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:23,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:23,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:23,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:23,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:10:23,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:23,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:10:23,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:23,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:23,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:23,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:10:23,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:10:23,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:23,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:23,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:23,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:23,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:23,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:23,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:23,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:23,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:23,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:23,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:23,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:23,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 13:10:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:23,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:23,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:10:23,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:23,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 13:10:23,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:23,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:23,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:10:23,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:23,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 13:10:23,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:23,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:23,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:23,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:23,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:23,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:23,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:23,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:23,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:23,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:10:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:23,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:23,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:23,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:23,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:23,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:23,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:23,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:23,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:23,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-25 13:10:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:23,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:23,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:10:23,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:23,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:10:23,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:23,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 13:10:23,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:23,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:23,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:23,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:23,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:10:23,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:23,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:10:23,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:23,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:23,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:23,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:10:23,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:10:23,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:23,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:23,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:23,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:23,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:23,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:23,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:23,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:23,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:23,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:23,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:23,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 13:10:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:23,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:23,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:23,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:23,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:23,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:23,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:23,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:23,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:23,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:23,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:23,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 13:10:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:23,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:23,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:23,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:23,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:23,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:23,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:23,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:23,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:23,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:23,897 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-25 13:10:23,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684582181] [2020-09-25 13:10:23,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:10:23,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-25 13:10:23,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712088824] [2020-09-25 13:10:23,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-25 13:10:23,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:23,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-25 13:10:23,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-09-25 13:10:23,900 INFO L87 Difference]: Start difference. First operand 554 states and 621 transitions. Second operand 15 states. [2020-09-25 13:10:24,498 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:10:26,329 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 13:10:27,097 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:10:27,692 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-25 13:10:28,030 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:10:28,648 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-25 13:10:29,050 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:10:29,664 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-25 13:10:30,029 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:10:30,672 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-25 13:10:30,964 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:10:31,616 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192