/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:37:15,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:37:15,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:37:15,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:37:15,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:37:15,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:37:15,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:37:15,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:37:15,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:37:15,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:37:15,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:37:15,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:37:15,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:37:15,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:37:15,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:37:15,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:37:15,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:37:15,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:37:15,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:37:15,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:37:15,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:37:15,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:37:15,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:37:15,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:37:15,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:37:15,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:37:15,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:37:15,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:37:15,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:37:15,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:37:15,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:37:15,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:37:15,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:37:15,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:37:15,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:37:15,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:37:15,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:37:15,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:37:15,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:37:15,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:37:15,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:37:15,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 01:37:15,969 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:37:15,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:37:15,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:37:15,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:37:15,971 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:37:15,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:37:15,971 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:37:15,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:37:15,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:37:15,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:37:15,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:37:15,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:37:15,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:37:15,972 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:37:15,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:37:15,973 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:37:15,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:37:15,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:37:15,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:37:15,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:37:15,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:37:15,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:37:15,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:37:15,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:37:15,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:37:15,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:37:15,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:37:15,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:37:15,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:37:15,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:37:16,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:37:16,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:37:16,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:37:16,321 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:37:16,322 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:37:16,323 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product35.cil.c [2020-10-15 01:37:16,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd887094d/2f5ae6eca6d84bca82d028fba9abba26/FLAG62177c387 [2020-10-15 01:37:16,835 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:37:16,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product35.cil.c [2020-10-15 01:37:16,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd887094d/2f5ae6eca6d84bca82d028fba9abba26/FLAG62177c387 [2020-10-15 01:37:17,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd887094d/2f5ae6eca6d84bca82d028fba9abba26 [2020-10-15 01:37:17,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:37:17,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:37:17,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:37:17,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:37:17,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:37:17,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:37:17" (1/1) ... [2020-10-15 01:37:17,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0619bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:17, skipping insertion in model container [2020-10-15 01:37:17,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:37:17" (1/1) ... [2020-10-15 01:37:17,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:37:17,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:37:17,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:37:17,690 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:37:17,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:37:17,845 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:37:17,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:17 WrapperNode [2020-10-15 01:37:17,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:37:17,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:37:17,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:37:17,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:37:17,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:17" (1/1) ... [2020-10-15 01:37:17,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:17" (1/1) ... [2020-10-15 01:37:17,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:17" (1/1) ... [2020-10-15 01:37:17,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:17" (1/1) ... [2020-10-15 01:37:17,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:17" (1/1) ... [2020-10-15 01:37:17,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:17" (1/1) ... [2020-10-15 01:37:17,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:17" (1/1) ... [2020-10-15 01:37:17,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:37:17,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:37:17,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:37:17,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:37:17,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:37:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:37:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:37:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:37:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:37:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:37:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:37:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:37:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:37:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:37:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:37:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:37:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:37:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:37:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:37:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:37:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:37:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:37:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-15 01:37:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-15 01:37:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:37:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:37:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:37:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:37:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:37:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:37:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:37:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:37:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:37:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:37:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:37:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:37:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:37:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:37:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:37:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:37:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:37:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:37:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:37:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-15 01:37:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:37:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:37:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:37:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:37:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:37:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:37:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:37:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:37:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:37:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:37:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:37:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:37:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:37:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:37:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:37:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:37:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:37:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:37:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:37:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:37:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:37:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:37:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:37:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-15 01:37:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:37:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:37:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:37:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:37:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:37:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-15 01:37:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:37:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:37:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:37:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-15 01:37:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:37:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:37:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:37:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:37:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:37:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:37:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:37:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:37:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:37:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:37:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:37:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:37:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:37:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:37:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:37:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:37:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:37:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:37:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:37:19,083 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:37:19,083 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:37:19,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:37:19 BoogieIcfgContainer [2020-10-15 01:37:19,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:37:19,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:37:19,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:37:19,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:37:19,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:37:17" (1/3) ... [2020-10-15 01:37:19,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a1a7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:37:19, skipping insertion in model container [2020-10-15 01:37:19,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:17" (2/3) ... [2020-10-15 01:37:19,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a1a7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:37:19, skipping insertion in model container [2020-10-15 01:37:19,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:37:19" (3/3) ... [2020-10-15 01:37:19,096 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product35.cil.c [2020-10-15 01:37:19,107 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:37:19,115 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:37:19,130 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:37:19,155 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:37:19,155 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:37:19,155 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:37:19,155 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:37:19,156 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:37:19,156 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:37:19,156 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:37:19,156 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:37:19,182 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-10-15 01:37:19,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-15 01:37:19,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:19,193 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:37:19,194 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:19,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:19,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1759491915, now seen corresponding path program 1 times [2020-10-15 01:37:19,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:19,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575644103] [2020-10-15 01:37:19,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:19,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:19,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:20,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:20,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:21,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:24,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:24,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:24,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-15 01:37:24,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 01:37:24,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-15 01:37:24,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:24,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:24,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 01:37:24,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:24,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-15 01:37:24,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 01:37:24,941 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:24,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:24,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:25,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:25,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:25,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:25,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-15 01:37:25,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:25,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:25,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:25,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:25,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:25,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:25,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:25,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:25,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:25,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:25,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:25,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:25,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:25,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:25,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:25,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:25,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:25,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:25,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:25,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:25,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:25,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:25,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:25,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:25,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:25,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:25,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:25,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:25,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:25,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:25,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:25,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:25,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:25,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:25,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:25,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:25,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:25,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:25,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:25,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:25,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:25,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:25,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:25,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:25,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:25,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:25,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:25,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:25,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:25,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:25,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:25,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:25,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:25,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:25,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:25,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:25,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:25,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:25,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:25,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:37:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:25,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:25,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:25,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:25,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:25,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:37:25,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:25,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:25,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:25,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:25,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:25,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:25,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:37:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:25,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:25,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:25,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:25,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:25,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:25,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:25,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:25,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:25,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:25,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:25,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:37:25,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575644103] [2020-10-15 01:37:25,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:25,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 01:37:25,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890085658] [2020-10-15 01:37:25,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 01:37:25,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:25,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 01:37:25,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-15 01:37:25,191 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 8 states. [2020-10-15 01:37:25,739 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:26,686 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:27,067 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:27,355 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 01:37:27,855 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:28,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:28,861 INFO L93 Difference]: Finished difference Result 378 states and 505 transitions. [2020-10-15 01:37:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 01:37:28,864 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-15 01:37:28,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:28,881 INFO L225 Difference]: With dead ends: 378 [2020-10-15 01:37:28,881 INFO L226 Difference]: Without dead ends: 239 [2020-10-15 01:37:28,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:37:28,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-10-15 01:37:28,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 191. [2020-10-15 01:37:29,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-10-15 01:37:29,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 226 transitions. [2020-10-15 01:37:29,005 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 226 transitions. Word has length 51 [2020-10-15 01:37:29,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:29,006 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 226 transitions. [2020-10-15 01:37:29,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 01:37:29,006 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 226 transitions. [2020-10-15 01:37:29,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-15 01:37:29,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:29,010 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] [2020-10-15 01:37:29,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:37:29,011 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:29,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:29,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1672580252, now seen corresponding path program 1 times [2020-10-15 01:37:29,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:29,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723091699] [2020-10-15 01:37:29,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:29,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:29,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:29,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:32,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:34,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:34,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-15 01:37:34,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:37:34,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 01:37:34,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:34,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:34,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:37:34,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:34,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-15 01:37:34,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:34,322 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:34,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:34,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:34,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:34,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:34,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:34,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-15 01:37:34,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:34,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:34,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:34,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:34,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:34,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:34,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:34,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:34,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:34,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:34,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:34,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:34,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:34,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:34,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:34,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:34,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:34,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:34,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:34,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:34,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:34,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:34,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:34,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:34,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:34,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:34,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:34,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:34,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:34,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:34,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:34,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:34,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:34,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:34,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:34,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:34,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:34,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:34,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:34,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:34,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:34,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:34,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:34,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:34,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:34,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:34,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:34,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:34,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:34,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:34,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:34,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:34,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:34,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:34,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:34,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 01:37:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:34,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:34,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:34,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:34,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:34,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:34,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:34,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:34,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:34,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:34,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:34,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:34,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 01:37:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:34,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:34,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:34,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:34,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:34,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:34,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:34,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:34,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:34,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:34,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:34,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:34,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 01:37:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:34,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:34,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:34,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:34,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:34,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:37:34,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:34,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:34,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:34,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:34,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:34,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:37:34,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723091699] [2020-10-15 01:37:34,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:34,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:37:34,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512961796] [2020-10-15 01:37:34,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:37:34,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:34,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:37:34,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:37:34,512 INFO L87 Difference]: Start difference. First operand 191 states and 226 transitions. Second operand 9 states. [2020-10-15 01:37:35,087 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:36,275 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-15 01:37:36,572 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:36,845 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-15 01:37:37,463 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-15 01:37:38,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:38,643 INFO L93 Difference]: Finished difference Result 545 states and 744 transitions. [2020-10-15 01:37:38,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 01:37:38,644 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2020-10-15 01:37:38,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:38,651 INFO L225 Difference]: With dead ends: 545 [2020-10-15 01:37:38,651 INFO L226 Difference]: Without dead ends: 382 [2020-10-15 01:37:38,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2020-10-15 01:37:38,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-10-15 01:37:38,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 304. [2020-10-15 01:37:38,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-15 01:37:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 377 transitions. [2020-10-15 01:37:38,748 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 377 transitions. Word has length 60 [2020-10-15 01:37:38,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:38,749 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 377 transitions. [2020-10-15 01:37:38,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:37:38,749 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 377 transitions. [2020-10-15 01:37:38,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-15 01:37:38,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:38,753 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] [2020-10-15 01:37:38,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:37:38,754 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:38,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:38,754 INFO L82 PathProgramCache]: Analyzing trace with hash 155563889, now seen corresponding path program 1 times [2020-10-15 01:37:38,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:38,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292469052] [2020-10-15 01:37:38,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:38,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:38,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:38,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:42,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:43,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:43,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-15 01:37:43,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:37:43,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-15 01:37:43,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:43,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:37:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-15 01:37:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 01:37:43,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:44,032 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:44,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:44,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:44,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:44,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:44,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 01:37:44,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:44,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:44,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:44,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:44,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:44,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:44,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:44,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:37:44,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:44,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:44,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:44,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:44,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:44,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:44,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:44,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:44,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:44,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:44,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:44,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:44,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:44,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:44,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:44,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:44,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:44,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:37:44,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:44,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:44,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:44,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:44,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:44,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:44,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:44,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:44,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:44,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:44,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:37:44,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:44,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:44,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:44,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:44,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:44,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:44,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:44,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:44,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:44,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:44,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:44,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:44,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:44,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:44,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 01:37:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:44,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:44,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:44,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:44,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:44,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:44,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:44,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:44,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:44,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 01:37:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:44,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:44,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:37:44,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:37:44,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-15 01:37:44,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:44,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:44,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:44,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:44,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-15 01:37:44,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:44,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:37:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:44,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:44,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:37:44,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:37:44,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:37:44,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:44,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:44,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:44,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:37:44,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:44,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:44,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:37:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:44,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:44,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:37:44,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:44,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:44,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:44,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:44,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:37:44,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:44,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:44,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:44,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:37:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:44,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:44,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:44,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:44,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:44,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:44,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:44,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:44,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:44,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:44,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:44,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 01:37:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:44,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:44,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:44,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:44,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:44,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:44,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:44,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:44,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:44,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:44,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:44,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 01:37:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:44,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:44,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:44,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:44,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:44,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:44,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:44,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:44,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:44,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:44,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:37:44,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292469052] [2020-10-15 01:37:44,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:44,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 01:37:44,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298875223] [2020-10-15 01:37:44,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 01:37:44,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:44,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 01:37:44,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-15 01:37:44,294 INFO L87 Difference]: Start difference. First operand 304 states and 377 transitions. Second operand 10 states. [2020-10-15 01:37:44,789 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:45,596 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:45,866 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:46,135 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:47,480 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:37:47,783 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:37:48,091 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:37:49,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:49,082 INFO L93 Difference]: Finished difference Result 1067 states and 1600 transitions. [2020-10-15 01:37:49,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 01:37:49,088 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-10-15 01:37:49,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:49,096 INFO L225 Difference]: With dead ends: 1067 [2020-10-15 01:37:49,096 INFO L226 Difference]: Without dead ends: 791 [2020-10-15 01:37:49,099 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=199, Invalid=503, Unknown=0, NotChecked=0, Total=702 [2020-10-15 01:37:49,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2020-10-15 01:37:49,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 466. [2020-10-15 01:37:49,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-10-15 01:37:49,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 592 transitions. [2020-10-15 01:37:49,206 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 592 transitions. Word has length 83 [2020-10-15 01:37:49,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:49,207 INFO L479 AbstractCegarLoop]: Abstraction has 466 states and 592 transitions. [2020-10-15 01:37:49,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 01:37:49,207 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 592 transitions. [2020-10-15 01:37:49,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-15 01:37:49,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:49,214 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 01:37:49,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:37:49,214 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:49,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:49,215 INFO L82 PathProgramCache]: Analyzing trace with hash 720318504, now seen corresponding path program 1 times [2020-10-15 01:37:49,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:49,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964369894] [2020-10-15 01:37:49,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:49,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:49,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:49,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:49,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:49,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:51,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:51,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-15 01:37:51,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:37:51,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2364 [2020-10-15 01:37:51,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:51,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:51,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:37:51,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:51,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 01:37:51,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:51,864 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:51,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:51,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:51,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:51,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:51,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-15 01:37:51,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:51,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:51,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:51,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:51,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:51,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:51,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:51,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:51,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:51,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:51,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:51,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:51,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:51,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:51,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:51,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:51,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:51,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:51,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:51,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:51,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:51,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:51,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:51,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:51,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:51,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:51,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:51,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:51,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:51,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:51,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:51,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:51,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:51,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:51,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:51,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:51,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:51,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:51,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:51,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:51,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:51,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:51,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:51,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:51,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:51,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:51,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:51,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:51,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:51,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:51,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:51,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:51,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 01:37:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:51,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:51,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:51,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:51,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:51,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:51,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:51,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:51,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:51,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:51,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:51,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:52,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:37:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:52,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:52,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:52,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 01:37:52,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:52,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 01:37:52,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:52,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 01:37:52,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:52,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:37:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:52,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:52,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:52,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:37:52,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:52,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:37:52,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:52,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:52,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:52,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:52,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:52,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:52,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:37:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:52,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:52,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:52,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:37:52,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:52,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:37:52,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:52,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:52,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:52,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:52,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:52,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:37:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:52,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:52,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:52,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:37:52,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:52,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:52,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:52,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:52,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:52,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:37:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:52,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:52,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:52,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:52,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:52,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:37:52,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:52,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:52,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:52,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:52,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 01:37:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:52,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:52,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:52,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:37:52,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:52,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:52,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:52,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:52,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:52,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:52,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:52,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:52,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:37:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:52,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:52,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:52,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:52,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:37:52,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:52,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:52,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:52,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:52,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:52,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:52,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:37:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:52,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:52,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:52,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:52,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:52,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:37:52,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:52,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:52,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:52,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 01:37:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:52,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:52,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:52,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:52,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:52,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:52,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:52,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:52,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:52,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-15 01:37:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:52,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:52,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:52,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:52,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:52,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:52,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:52,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:52,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:52,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:52,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:52,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:52,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 01:37:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:52,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:52,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:52,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:52,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:52,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:52,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:52,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:52,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:52,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 01:37:52,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964369894] [2020-10-15 01:37:52,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:37:52,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-15 01:37:52,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201369123] [2020-10-15 01:37:52,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:37:52,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:52,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:37:52,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:37:52,142 INFO L87 Difference]: Start difference. First operand 466 states and 592 transitions. Second operand 9 states. [2020-10-15 01:37:52,483 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:55,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:55,725 INFO L93 Difference]: Finished difference Result 1990 states and 3140 transitions. [2020-10-15 01:37:55,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-15 01:37:55,726 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2020-10-15 01:37:55,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:55,742 INFO L225 Difference]: With dead ends: 1990 [2020-10-15 01:37:55,743 INFO L226 Difference]: Without dead ends: 1552 [2020-10-15 01:37:55,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=229, Invalid=701, Unknown=0, NotChecked=0, Total=930 [2020-10-15 01:37:55,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2020-10-15 01:37:55,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 872. [2020-10-15 01:37:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 872 states. [2020-10-15 01:37:55,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1126 transitions. [2020-10-15 01:37:55,980 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1126 transitions. Word has length 113 [2020-10-15 01:37:55,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:55,981 INFO L479 AbstractCegarLoop]: Abstraction has 872 states and 1126 transitions. [2020-10-15 01:37:55,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:37:55,981 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1126 transitions. [2020-10-15 01:37:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-15 01:37:55,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:55,991 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:37:55,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 01:37:55,991 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:55,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:55,992 INFO L82 PathProgramCache]: Analyzing trace with hash 869080598, now seen corresponding path program 1 times [2020-10-15 01:37:55,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:55,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277077110] [2020-10-15 01:37:55,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:56,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:56,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:56,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:56,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:56,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:56,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:56,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:59,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:59,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-15 01:38:01,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 01:38:01,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-15 01:38:01,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-15 01:38:01,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:01,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-15 01:38:01,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:01,353 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:38:01,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:38:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:01,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-15 01:38:01,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:01,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:38:01,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:38:01,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:38:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:01,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:01,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:01,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:38:01,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:01,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:38:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:01,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:01,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:01,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:38:01,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:01,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:38:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:01,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:01,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:01,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:01,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:01,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:38:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:01,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:38:01,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:38:01,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:01,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:38:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:01,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:01,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:01,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:01,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:01,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 01:38:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:01,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:01,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:01,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:38:01,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 01:38:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:38:01,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:01,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:01,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:38:01,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:01,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 01:38:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 01:38:01,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 01:38:01,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:38:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:38:01,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 01:38:01,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:01,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:38:01,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:38:01,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:38:01,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:01,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:01,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:01,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:01,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:01,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:01,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-15 01:38:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 01:38:01,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 01:38:01,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:38:01,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:38:01,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 01:38:01,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 01:38:01,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:38:01,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:38:01,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:38:01,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:01,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:01,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:01,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:01,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:01,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:01,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-15 01:38:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 01:38:01,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-15 01:38:01,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:38:01,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:38:01,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 01:38:01,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:01,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:38:01,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 01:38:01,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:38:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-15 01:38:01,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:01,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:38:01,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:38:01,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:38:01,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:01,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:01,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:01,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:01,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:38:01,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:01,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:01,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:01,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:01,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:01,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:01,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 01:38:01,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:02,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:38:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:02,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:02,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:02,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:02,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:02,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:38:02,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:02,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:02,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:02,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:02,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:02,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:02,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 01:38:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:02,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:02,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:02,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:38:02,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:02,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:38:02,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:02,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 01:38:02,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:02,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:02,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:02,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:02,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:02,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:02,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:02,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:02,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:02,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:02,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:02,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:02,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:02,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:38:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:02,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:02,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:02,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:02,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:02,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:02,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:02,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:02,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:02,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-15 01:38:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:02,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:02,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:02,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:02,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:02,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:02,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:02,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:02,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:02,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-15 01:38:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:02,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:02,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:02,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:02,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:02,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:02,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:02,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:02,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:02,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:02,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:02,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-15 01:38:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:02,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:02,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:02,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:02,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:02,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:02,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:02,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:02,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-15 01:38:02,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277077110] [2020-10-15 01:38:02,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:38:02,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 01:38:02,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192928709] [2020-10-15 01:38:02,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 01:38:02,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:38:02,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 01:38:02,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-15 01:38:02,112 INFO L87 Difference]: Start difference. First operand 872 states and 1126 transitions. Second operand 13 states. [2020-10-15 01:38:02,588 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:38:03,390 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-10-15 01:38:06,424 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:38:08,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:38:08,694 INFO L93 Difference]: Finished difference Result 4445 states and 7312 transitions. [2020-10-15 01:38:08,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-15 01:38:08,695 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 157 [2020-10-15 01:38:08,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:38:08,732 INFO L225 Difference]: With dead ends: 4445 [2020-10-15 01:38:08,732 INFO L226 Difference]: Without dead ends: 3601 [2020-10-15 01:38:08,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 64 SyntacticMatches, 4 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=630, Invalid=2910, Unknown=0, NotChecked=0, Total=3540 [2020-10-15 01:38:08,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3601 states. [2020-10-15 01:38:09,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3601 to 2911. [2020-10-15 01:38:09,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2911 states. [2020-10-15 01:38:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2911 states and 4120 transitions. [2020-10-15 01:38:09,422 INFO L78 Accepts]: Start accepts. Automaton has 2911 states and 4120 transitions. Word has length 157 [2020-10-15 01:38:09,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:38:09,423 INFO L479 AbstractCegarLoop]: Abstraction has 2911 states and 4120 transitions. [2020-10-15 01:38:09,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 01:38:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 4120 transitions. [2020-10-15 01:38:09,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-15 01:38:09,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:38:09,434 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:38:09,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 01:38:09,434 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:38:09,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:38:09,435 INFO L82 PathProgramCache]: Analyzing trace with hash 870184024, now seen corresponding path program 1 times [2020-10-15 01:38:09,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:38:09,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729701631] [2020-10-15 01:38:09,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:38:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:09,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:09,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:09,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:09,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:09,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:09,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:11,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:12,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-15 01:38:14,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 01:38:14,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4667 [2020-10-15 01:38:14,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:38:14,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-15 01:38:14,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 01:38:14,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:14,442 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:38:14,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:38:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:14,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 01:38:14,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:38:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:14,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:14,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:38:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:14,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:14,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:38:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:14,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:14,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:38:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:14,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:14,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:38:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:14,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:14,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:14,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:38:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:14,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:14,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 01:38:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:14,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:14,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 01:38:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:38:14,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:14,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 01:38:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 01:38:14,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 01:38:14,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:38:14,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 01:38:14,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:38:14,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:38:14,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:38:14,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 01:38:14,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:14,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:38:14,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:38:14,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:38:14,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 01:38:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 01:38:14,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:38:14,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-15 01:38:14,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:14,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 01:38:14,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:38:14,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:38:14,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:38:14,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:14,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:38:14,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:14,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:38:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:14,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:14,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 01:38:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:38:14,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:38:14,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:14,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:14,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:38:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:14,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:14,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:38:14,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 01:38:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:14,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:14,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:14,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:14,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-15 01:38:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:14,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:38:14,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:38:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:14,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 01:38:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:14,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:14,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:14,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:14,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:14,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:14,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:14,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:14,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:14,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:14,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:14,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:14,974 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-15 01:38:14,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729701631] [2020-10-15 01:38:14,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:38:14,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-15 01:38:14,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263017864] [2020-10-15 01:38:14,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 01:38:14,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:38:14,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 01:38:14,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:38:14,977 INFO L87 Difference]: Start difference. First operand 2911 states and 4120 transitions. Second operand 15 states. [2020-10-15 01:38:15,528 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:38:16,582 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-15 01:38:17,167 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-10-15 01:38:17,641 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-10-15 01:38:17,890 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:38:18,226 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:38:18,494 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:38:22,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:38:22,172 INFO L93 Difference]: Finished difference Result 7611 states and 12625 transitions. [2020-10-15 01:38:22,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-15 01:38:22,173 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 142 [2020-10-15 01:38:22,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:38:22,215 INFO L225 Difference]: With dead ends: 7611 [2020-10-15 01:38:22,215 INFO L226 Difference]: Without dead ends: 4436 [2020-10-15 01:38:22,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 842 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=601, Invalid=2155, Unknown=0, NotChecked=0, Total=2756 [2020-10-15 01:38:22,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4436 states. [2020-10-15 01:38:23,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4436 to 3757. [2020-10-15 01:38:23,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3757 states. [2020-10-15 01:38:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3757 states and 5283 transitions. [2020-10-15 01:38:23,237 INFO L78 Accepts]: Start accepts. Automaton has 3757 states and 5283 transitions. Word has length 142 [2020-10-15 01:38:23,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:38:23,238 INFO L479 AbstractCegarLoop]: Abstraction has 3757 states and 5283 transitions. [2020-10-15 01:38:23,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 01:38:23,239 INFO L276 IsEmpty]: Start isEmpty. Operand 3757 states and 5283 transitions. [2020-10-15 01:38:23,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-15 01:38:23,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:38:23,255 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-10-15 01:38:23,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 01:38:23,256 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:38:23,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:38:23,256 INFO L82 PathProgramCache]: Analyzing trace with hash -2085393188, now seen corresponding path program 1 times [2020-10-15 01:38:23,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:38:23,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976340603] [2020-10-15 01:38:23,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:38:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:23,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:23,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:23,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:23,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:23,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:23,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-15 01:38:24,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 01:38:24,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-10-15 01:38:24,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:24,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-15 01:38:24,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-15 01:38:24,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,545 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:38:24,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:38:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 01:38:24,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:38:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:24,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:38:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:24,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:38:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:38:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:24,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:38:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:24,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:38:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 01:38:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 01:38:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:38:24,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 01:38:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 01:38:24,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:38:24,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 01:38:24,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:24,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:24,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:38:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:24,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 01:38:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 01:38:24,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:24,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 01:38:24,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:24,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:24,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:38:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 01:38:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 01:38:24,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:38:24,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:24,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 01:38:24,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:38:24,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:38:24,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-15 01:38:24,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:38:24,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:24,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:38:24,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:24,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:38:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 01:38:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:38:24,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:38:24,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:24,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 01:38:24,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:24,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:38:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-15 01:38:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:24,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:24,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:24,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:24,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-15 01:38:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-15 01:38:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:24,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:24,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:24,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:24,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:24,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:24,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:24,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:24,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:24,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:24,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-15 01:38:24,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976340603] [2020-10-15 01:38:24,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:38:24,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 01:38:24,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443512122] [2020-10-15 01:38:24,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 01:38:24,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:38:24,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 01:38:24,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-15 01:38:24,812 INFO L87 Difference]: Start difference. First operand 3757 states and 5283 transitions. Second operand 10 states. [2020-10-15 01:38:25,446 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:38:29,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:38:29,954 INFO L93 Difference]: Finished difference Result 6929 states and 10470 transitions. [2020-10-15 01:38:29,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-15 01:38:29,955 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-10-15 01:38:29,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:38:29,993 INFO L225 Difference]: With dead ends: 6929 [2020-10-15 01:38:29,994 INFO L226 Difference]: Without dead ends: 4964 [2020-10-15 01:38:30,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=320, Invalid=1086, Unknown=0, NotChecked=0, Total=1406 [2020-10-15 01:38:30,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4964 states. [2020-10-15 01:38:30,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4964 to 4147. [2020-10-15 01:38:30,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4147 states. [2020-10-15 01:38:30,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4147 states to 4147 states and 5788 transitions. [2020-10-15 01:38:30,837 INFO L78 Accepts]: Start accepts. Automaton has 4147 states and 5788 transitions. Word has length 173 [2020-10-15 01:38:30,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:38:30,840 INFO L479 AbstractCegarLoop]: Abstraction has 4147 states and 5788 transitions. [2020-10-15 01:38:30,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 01:38:30,841 INFO L276 IsEmpty]: Start isEmpty. Operand 4147 states and 5788 transitions. [2020-10-15 01:38:30,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-15 01:38:30,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:38:30,851 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:38:30,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 01:38:30,851 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:38:30,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:38:30,852 INFO L82 PathProgramCache]: Analyzing trace with hash 744057101, now seen corresponding path program 1 times [2020-10-15 01:38:30,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:38:30,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494287449] [2020-10-15 01:38:30,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:38:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:30,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:30,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-15 01:38:31,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:38:31,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-15 01:38:31,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:31,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-15 01:38:31,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-15 01:38:31,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:31,376 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:38:31,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:38:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:31,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 01:38:31,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:38:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:31,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:31,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:38:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:31,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:31,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:38:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:31,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:31,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:38:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:31,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:31,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:38:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:31,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:31,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:38:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:31,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:31,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:31,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:31,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 01:38:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:31,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:31,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:38:31,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 01:38:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 01:38:31,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:38:31,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:38:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 01:38:31,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:38:31,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:38:31,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:38:31,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:38:31,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:38:31,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:31,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:38:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:31,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:31,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 01:38:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:38:31,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:31,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:31,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:31,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:38:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:31,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:31,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 01:38:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:31,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:31,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 01:38:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:38:31,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:31,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 01:38:31,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:31,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:31,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-15 01:38:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:31,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:31,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:31,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-15 01:38:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:31,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:31,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:31,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:31,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:31,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:31,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:31,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:31,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:31,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:31,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:31,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 01:38:31,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494287449] [2020-10-15 01:38:31,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:38:31,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:38:31,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423659716] [2020-10-15 01:38:31,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:38:31,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:38:31,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:38:31,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:38:31,693 INFO L87 Difference]: Start difference. First operand 4147 states and 5788 transitions. Second operand 9 states. [2020-10-15 01:38:32,195 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:38:33,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:38:33,851 INFO L93 Difference]: Finished difference Result 6388 states and 8703 transitions. [2020-10-15 01:38:33,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 01:38:33,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 125 [2020-10-15 01:38:33,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:38:33,879 INFO L225 Difference]: With dead ends: 6388 [2020-10-15 01:38:33,879 INFO L226 Difference]: Without dead ends: 4468 [2020-10-15 01:38:33,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=208, Invalid=548, Unknown=0, NotChecked=0, Total=756 [2020-10-15 01:38:33,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4468 states. [2020-10-15 01:38:34,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4468 to 3823. [2020-10-15 01:38:34,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3823 states. [2020-10-15 01:38:34,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3823 states and 4884 transitions. [2020-10-15 01:38:34,676 INFO L78 Accepts]: Start accepts. Automaton has 3823 states and 4884 transitions. Word has length 125 [2020-10-15 01:38:34,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:38:34,676 INFO L479 AbstractCegarLoop]: Abstraction has 3823 states and 4884 transitions. [2020-10-15 01:38:34,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:38:34,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 4884 transitions. [2020-10-15 01:38:34,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-15 01:38:34,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:38:34,686 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:38:34,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 01:38:34,687 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:38:34,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:38:34,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1468666203, now seen corresponding path program 1 times [2020-10-15 01:38:34,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:38:34,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1986290294] [2020-10-15 01:38:34,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:38:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:34,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:34,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:34,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-15 01:38:34,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:34,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-15 01:38:34,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:34,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:34,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:38:34,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-15 01:38:34,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:38:34,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,193 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:38:35,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:38:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:35,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:38:35,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:38:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:35,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:35,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:38:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:35,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:35,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:38:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:35,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:35,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:35,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:38:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:35,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:35,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:38:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:35,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:35,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 01:38:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:35,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:35,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:35,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:38:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 01:38:35,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 01:38:35,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:38:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 01:38:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:38:35,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:38:35,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:38:35,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:38:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 01:38:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:38:35,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:38:35,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:38:35,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:38:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:38:35,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:38:35,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:38:35,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:35,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:38:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:35,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:35,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:35,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 01:38:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:38:35,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:35,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 01:38:35,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:38:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:35,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:35,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:38:35,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:38:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:35,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:35,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:35,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 01:38:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:35,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:38:35,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:35,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 01:38:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:38:35,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:35,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 01:38:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:38:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:38:35,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:35,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:38:35,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-15 01:38:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:35,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:35,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-15 01:38:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:38:35,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:38:35,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:38:35,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:38:35,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:38:35,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:38:35,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:38:35,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:38:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:38:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:38:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:38:35,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:38:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-15 01:38:35,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1986290294] [2020-10-15 01:38:35,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:38:35,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 01:38:35,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423144423] [2020-10-15 01:38:35,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 01:38:35,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:38:35,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 01:38:35,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:38:35,447 INFO L87 Difference]: Start difference. First operand 3823 states and 4884 transitions. Second operand 12 states. [2020-10-15 01:38:36,542 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:38:36,807 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 01:38:37,083 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:38:37,353 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:38:39,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:38:39,292 INFO L93 Difference]: Finished difference Result 8379 states and 11280 transitions. [2020-10-15 01:38:39,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 01:38:39,293 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 125 [2020-10-15 01:38:39,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:38:39,316 INFO L225 Difference]: With dead ends: 8379 [2020-10-15 01:38:39,317 INFO L226 Difference]: Without dead ends: 4584 [2020-10-15 01:38:39,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2020-10-15 01:38:39,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4584 states. [2020-10-15 01:38:39,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4584 to 3943. [2020-10-15 01:38:39,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3943 states. [2020-10-15 01:38:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3943 states to 3943 states and 5004 transitions. [2020-10-15 01:38:39,844 INFO L78 Accepts]: Start accepts. Automaton has 3943 states and 5004 transitions. Word has length 125 [2020-10-15 01:38:39,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:38:39,845 INFO L479 AbstractCegarLoop]: Abstraction has 3943 states and 5004 transitions. [2020-10-15 01:38:39,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 01:38:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3943 states and 5004 transitions. [2020-10-15 01:38:39,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-15 01:38:39,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:38:39,855 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:38:39,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 01:38:39,855 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:38:39,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:38:39,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1738865668, now seen corresponding path program 1 times [2020-10-15 01:38:39,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:38:39,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19879288] [2020-10-15 01:38:39,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:38:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 01:38:39,888 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 01:38:39,889 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 01:38:39,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 01:38:39,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:38:39 BoogieIcfgContainer [2020-10-15 01:38:39,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:38:39,939 INFO L168 Benchmark]: Toolchain (without parser) took 82727.01 ms. Allocated memory was 145.8 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 100.9 MB in the beginning and 53.7 MB in the end (delta: 47.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-15 01:38:39,940 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. [2020-10-15 01:38:39,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.17 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 100.9 MB in the beginning and 169.9 MB in the end (delta: -69.0 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-10-15 01:38:39,941 INFO L168 Benchmark]: Boogie Preprocessor took 137.61 ms. Allocated memory is still 202.9 MB. Free memory was 169.9 MB in the beginning and 165.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-15 01:38:39,942 INFO L168 Benchmark]: RCFGBuilder took 1103.26 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.0 MB in the beginning and 194.8 MB in the end (delta: -29.8 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-10-15 01:38:39,943 INFO L168 Benchmark]: TraceAbstraction took 80848.29 ms. Allocated memory was 236.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 194.8 MB in the beginning and 53.7 MB in the end (delta: 141.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-15 01:38:39,946 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 633.17 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 100.9 MB in the beginning and 169.9 MB in the end (delta: -69.0 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.61 ms. Allocated memory is still 202.9 MB. Free memory was 169.9 MB in the beginning and 165.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1103.26 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.0 MB in the beginning and 194.8 MB in the end (delta: -29.8 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 80848.29 ms. Allocated memory was 236.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 194.8 MB in the beginning and 53.7 MB in the end (delta: 141.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 736]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int pumpRunning = 0; [L417] int systemActive = 1; [L655] int methAndRunningLastTime ; [L741] int cleanupTimeShifts = 4; [L839] int waterLevel = 1; [L840] int methaneLevelCritical = 0; [L815] int retValue_acc ; [L816] int tmp ; [L820] FCALL select_helpers() [L821] FCALL select_features() [L822] CALL, EXPR valid_product() [L723] int retValue_acc ; [L726] retValue_acc = 1 [L727] return (retValue_acc); [L822] RET, EXPR valid_product() [L822] tmp = valid_product() [L824] COND TRUE \read(tmp) [L826] FCALL setup() [L827] CALL runTest() [L808] CALL __utac_acc__Specification2_spec__1() [L660] methAndRunningLastTime = 0 [L808] RET __utac_acc__Specification2_spec__1() [L809] CALL test() [L588] int splverifierCounter ; [L589] int tmp ; [L590] int tmp___0 ; [L591] int tmp___1 ; [L592] int tmp___2 ; [L595] splverifierCounter = 0 [L597] COND TRUE 1 [L599] COND TRUE splverifierCounter < 4 [L605] tmp = __VERIFIER_nondet_int() [L607] COND TRUE \read(tmp) [L609] CALL waterRise() [L857] COND TRUE waterLevel < 2 [L858] waterLevel = waterLevel + 1 [L609] RET waterRise() [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND TRUE \read(tmp___0) [L619] CALL changeMethaneLevel() [L869] COND FALSE !(\read(methaneLevelCritical)) [L872] methaneLevelCritical = 1 [L619] RET changeMethaneLevel() [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp___2) [L642] CALL timeShift() [L424] COND FALSE !(\read(pumpRunning)) [L431] COND TRUE \read(systemActive) [L433] CALL processEnvironment() [L453] int tmp ; [L456] COND TRUE ! pumpRunning [L458] CALL, EXPR isHighWaterLevel() [L550] int retValue_acc ; [L551] int tmp ; [L552] int tmp___0 ; [L556] CALL, EXPR isHighWaterSensorDry() [L919] int retValue_acc ; [L922] COND FALSE !(waterLevel < 2) [L926] retValue_acc = 0 [L927] return (retValue_acc); [L556] RET, EXPR isHighWaterSensorDry() [L556] tmp = isHighWaterSensorDry() [L558] COND FALSE !(\read(tmp)) [L561] tmp___0 = 1 [L563] retValue_acc = tmp___0 [L564] return (retValue_acc); [L458] RET, EXPR isHighWaterLevel() [L458] tmp = isHighWaterLevel() [L460] COND TRUE \read(tmp) [L462] CALL activatePump() [L481] pumpRunning = 1 [L462] RET activatePump() [L433] RET processEnvironment() [L439] CALL __utac_acc__Specification2_spec__2() [L665] int tmp ; [L666] int tmp___0 ; [L670] CALL, EXPR isMethaneLevelCritical() [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); [L670] RET, EXPR isMethaneLevelCritical() [L670] tmp = isMethaneLevelCritical() [L672] COND TRUE \read(tmp) [L674] CALL, EXPR isPumpRunning() [L505] int retValue_acc ; [L508] retValue_acc = pumpRunning [L509] return (retValue_acc); [L674] RET, EXPR isPumpRunning() [L674] tmp___0 = isPumpRunning() [L676] COND TRUE \read(tmp___0) [L677] COND FALSE !(\read(methAndRunningLastTime)) [L682] methAndRunningLastTime = 1 [L439] RET __utac_acc__Specification2_spec__2() [L642] RET timeShift() [L597] COND TRUE 1 [L599] COND TRUE splverifierCounter < 4 [L605] tmp = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp)) [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND FALSE !(\read(tmp___0)) [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp___2) [L642] CALL timeShift() [L424] COND TRUE \read(pumpRunning) [L426] CALL lowerWaterLevel() [L845] COND TRUE waterLevel > 0 [L846] waterLevel = waterLevel - 1 [L426] RET lowerWaterLevel() [L431] COND TRUE \read(systemActive) [L433] CALL processEnvironment() [L453] int tmp ; [L456] COND FALSE !(! pumpRunning) [L471] FCALL processEnvironment__wrappee__base() [L433] RET processEnvironment() [L439] CALL __utac_acc__Specification2_spec__2() [L665] int tmp ; [L666] int tmp___0 ; [L670] CALL, EXPR isMethaneLevelCritical() [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); [L670] RET, EXPR isMethaneLevelCritical() [L670] tmp = isMethaneLevelCritical() [L672] COND TRUE \read(tmp) [L674] CALL, EXPR isPumpRunning() [L505] int retValue_acc ; [L508] retValue_acc = pumpRunning [L509] return (retValue_acc); [L674] RET, EXPR isPumpRunning() [L674] tmp___0 = isPumpRunning() [L676] COND TRUE \read(tmp___0) [L677] COND TRUE \read(methAndRunningLastTime) [L679] CALL __automaton_fail() [L736] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 226 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 80.7s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 41.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1125 SDtfs, 5730 SDslu, 1842 SDs, 0 SdLazy, 9953 SolverSat, 4819 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 709 GetRequests, 421 SyntacticMatches, 5 SemanticMatches, 283 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3255 ImplicationChecksByTransitivity, 14.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4147occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 4603 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 33.9s InterpolantComputationTime, 1158 NumberOfCodeBlocks, 1158 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1020 ConstructedInterpolants, 0 QuantifiedInterpolants, 428642 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 290/317 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...