/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:23:14,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:23:14,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:23:14,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:23:14,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:23:14,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:23:14,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:23:14,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:23:14,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:23:14,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:23:14,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:23:14,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:23:14,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:23:14,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:23:14,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:23:14,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:23:14,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:23:14,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:23:14,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:23:14,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:23:14,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:23:14,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:23:14,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:23:14,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:23:14,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:23:14,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:23:14,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:23:14,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:23:14,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:23:14,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:23:14,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:23:14,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:23:14,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:23:14,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:23:14,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:23:14,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:23:14,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:23:14,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:23:14,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:23:14,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:23:14,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:23:14,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 05:23:14,718 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:23:14,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:23:14,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:23:14,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:23:14,721 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:23:14,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:23:14,722 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:23:14,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:23:14,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:23:14,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:23:14,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:23:14,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:23:14,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:23:14,724 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:23:14,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:23:14,724 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:23:14,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:23:14,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:23:14,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:23:14,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:23:14,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:23:14,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:23:14,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:23:14,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:23:14,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:23:14,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:23:14,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:23:14,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:23:14,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:23:14,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:23:15,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:23:15,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:23:15,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:23:15,180 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:23:15,180 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:23:15,182 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-25 05:23:15,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f88436813/b49f5b23a1904702889eb64bb5ff3351/FLAG6621cf5a8 [2020-09-25 05:23:15,934 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:23:15,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-25 05:23:15,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f88436813/b49f5b23a1904702889eb64bb5ff3351/FLAG6621cf5a8 [2020-09-25 05:23:16,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f88436813/b49f5b23a1904702889eb64bb5ff3351 [2020-09-25 05:23:16,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:23:16,183 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:23:16,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:23:16,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:23:16,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:23:16,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:23:16" (1/1) ... [2020-09-25 05:23:16,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:16, skipping insertion in model container [2020-09-25 05:23:16,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:23:16" (1/1) ... [2020-09-25 05:23:16,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:23:16,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:23:16,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:23:16,655 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:23:16,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:23:16,919 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:23:16,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:16 WrapperNode [2020-09-25 05:23:16,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:23:16,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:23:16,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:23:16,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:23:16,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:16" (1/1) ... [2020-09-25 05:23:16,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:16" (1/1) ... [2020-09-25 05:23:16,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:16" (1/1) ... [2020-09-25 05:23:16,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:16" (1/1) ... [2020-09-25 05:23:16,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:16" (1/1) ... [2020-09-25 05:23:17,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:16" (1/1) ... [2020-09-25 05:23:17,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:16" (1/1) ... [2020-09-25 05:23:17,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:23:17,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:23:17,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:23:17,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:23:17,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:16" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:23:17,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:23:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:23:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:23:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:23:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:23:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:23:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:23:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:23:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:23:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:23:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:23:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:23:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 05:23:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 05:23:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:23:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:23:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:23:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:23:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:23:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:23:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:23:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:23:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 05:23:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 05:23:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:23:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:23:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:23:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:23:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:23:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:23:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 05:23:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 05:23:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 05:23:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:23:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:23:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:23:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:23:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:23:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:23:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:23:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:23:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:23:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:23:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:23:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:23:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:23:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:23:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:23:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:23:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:23:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:23:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:23:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:23:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:23:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:23:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:23:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:23:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:23:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 05:23:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 05:23:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:23:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:23:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:23:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:23:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:23:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:23:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:23:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:23:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:23:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:23:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:23:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:23:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:23:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:23:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 05:23:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:23:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:23:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 05:23:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 05:23:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 05:23:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 05:23:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:23:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:23:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:23:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:23:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:23:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:23:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:23:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:23:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:23:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:23:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:23:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:23:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:23:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:23:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:23:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:23:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:23:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:23:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:23:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:23:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:23:18,410 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:23:18,410 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:23:18,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:23:18 BoogieIcfgContainer [2020-09-25 05:23:18,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:23:18,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:23:18,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:23:18,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:23:18,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:23:16" (1/3) ... [2020-09-25 05:23:18,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6903a8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:23:18, skipping insertion in model container [2020-09-25 05:23:18,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:16" (2/3) ... [2020-09-25 05:23:18,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6903a8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:23:18, skipping insertion in model container [2020-09-25 05:23:18,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:23:18" (3/3) ... [2020-09-25 05:23:18,429 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-09-25 05:23:18,442 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:23:18,453 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:23:18,478 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:23:18,519 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:23:18,520 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:23:18,520 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:23:18,520 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:23:18,520 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:23:18,520 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:23:18,520 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:23:18,521 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:23:18,554 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2020-09-25 05:23:18,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 05:23:18,575 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:18,576 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:23:18,577 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:18,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:18,585 INFO L82 PathProgramCache]: Analyzing trace with hash -492062203, now seen corresponding path program 1 times [2020-09-25 05:23:18,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:18,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233438909] [2020-09-25 05:23:18,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:19,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:19,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:20,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:23,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:24,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:24,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 05:23:24,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:23:24,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 05:23:24,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:24,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 05:23:24,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:24,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 05:23:24,672 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:24,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:24,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:24,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:24,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:24,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:24,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-25 05:23:24,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:24,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:24,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:24,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:24,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:24,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:23:24,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:24,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:24,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:24,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:24,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:24,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:24,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:24,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:24,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:24,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:24,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:24,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:23:24,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:24,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:24,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:24,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:24,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:24,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:24,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:24,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:24,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:24,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:24,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:24,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:24,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:24,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:24,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:24,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:24,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:24,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:23:24,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:24,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:24,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:24,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:24,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:24,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:23:24,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:24,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:24,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:24,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:24,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:24,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:24,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:24,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:24,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:24,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:24,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:24,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:23:25,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:25,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:25,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:25,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:25,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:25,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:25,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:25,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:25,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:25,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:25,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:25,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:23:25,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:23:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:25,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:25,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:25,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:25,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:25,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:23:25,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:25,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:25,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:25,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:23:25,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:25,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:23:25,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:25,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:25,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:25,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:25,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:25,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:25,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:25,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:25,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:25,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:25,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:25,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:25,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 05:23:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:25,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:25,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:25,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:25,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:25,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:25,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:25,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:25,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:25,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:25,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:25,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:25,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:23:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:25,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:25,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:25,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:25,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:25,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:25,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:25,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:25,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:25,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:25,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:25,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:23:25,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:23:25,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233438909] [2020-09-25 05:23:25,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:25,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:23:25,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814967751] [2020-09-25 05:23:25,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:23:25,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:25,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:23:25,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:23:25,189 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 4 states. [2020-09-25 05:23:26,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:23:26,834 INFO L93 Difference]: Finished difference Result 569 states and 666 transitions. [2020-09-25 05:23:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:23:26,837 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 05:23:26,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:23:26,859 INFO L225 Difference]: With dead ends: 569 [2020-09-25 05:23:26,859 INFO L226 Difference]: Without dead ends: 351 [2020-09-25 05:23:26,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:23:26,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-09-25 05:23:26,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 303. [2020-09-25 05:23:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-09-25 05:23:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 331 transitions. [2020-09-25 05:23:26,993 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 331 transitions. Word has length 160 [2020-09-25 05:23:26,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:23:26,994 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 331 transitions. [2020-09-25 05:23:26,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:23:26,994 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 331 transitions. [2020-09-25 05:23:26,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:23:26,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:26,999 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:23:27,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:23:27,000 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:27,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:27,001 INFO L82 PathProgramCache]: Analyzing trace with hash -2075110629, now seen corresponding path program 1 times [2020-09-25 05:23:27,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:27,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [158151016] [2020-09-25 05:23:27,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:27,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:27,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:28,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:29,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:30,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:32,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:32,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 05:23:32,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:23:32,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 05:23:32,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:32,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:32,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 05:23:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:23:32,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:32,440 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:32,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:32,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:32,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:32,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:32,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:32,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 05:23:32,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:32,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:32,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:32,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:32,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:32,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:32,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:32,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:32,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:32,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:32,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:32,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:32,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:32,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:32,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:32,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:32,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:32,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:32,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:32,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:32,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:32,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:32,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:32,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:32,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:32,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:32,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:32,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:32,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:32,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:32,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:32,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:32,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:32,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:32,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:32,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:32,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:32,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:32,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:32,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:32,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:32,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:32,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:32,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:32,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:32,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:32,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:23:32,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:32,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:32,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:32,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:32,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:32,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:32,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:32,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:32,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:32,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:23:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:32,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:32,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:32,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:32,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:32,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:32,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:32,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:32,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:32,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:23:32,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:32,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:32,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:32,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:32,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:32,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:32,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:32,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:32,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:32,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:32,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:32,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:32,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:23:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:32,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:32,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:32,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:32,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:32,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:32,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:32,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:32,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:32,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:32,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:32,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:32,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:23:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:32,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:32,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:32,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:32,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:32,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:32,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:32,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:32,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:32,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:32,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:32,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:32,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:23:32,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [158151016] [2020-09-25 05:23:32,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:32,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:23:32,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970781338] [2020-09-25 05:23:32,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:23:32,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:32,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:23:32,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:23:32,717 INFO L87 Difference]: Start difference. First operand 303 states and 331 transitions. Second operand 5 states. [2020-09-25 05:23:33,438 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:23:34,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:23:34,724 INFO L93 Difference]: Finished difference Result 494 states and 558 transitions. [2020-09-25 05:23:34,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:23:34,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 05:23:34,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:23:34,730 INFO L225 Difference]: With dead ends: 494 [2020-09-25 05:23:34,731 INFO L226 Difference]: Without dead ends: 340 [2020-09-25 05:23:34,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:23:34,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-09-25 05:23:34,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 293. [2020-09-25 05:23:34,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-25 05:23:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 318 transitions. [2020-09-25 05:23:34,808 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 318 transitions. Word has length 161 [2020-09-25 05:23:34,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:23:34,811 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 318 transitions. [2020-09-25 05:23:34,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:23:34,811 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 318 transitions. [2020-09-25 05:23:34,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 05:23:34,819 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:34,819 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:23:34,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:23:34,820 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:34,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:34,820 INFO L82 PathProgramCache]: Analyzing trace with hash -301318836, now seen corresponding path program 1 times [2020-09-25 05:23:34,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:34,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406050387] [2020-09-25 05:23:34,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:34,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:35,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:35,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:37,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:39,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:39,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 05:23:39,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:23:39,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-25 05:23:39,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:39,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 05:23:39,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 05:23:39,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:40,304 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:40,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:40,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:40,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:40,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:40,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:40,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 05:23:40,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:40,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:40,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:40,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:40,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:40,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:40,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:40,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:40,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:40,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:40,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:40,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:40,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:40,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:40,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:40,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:40,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:40,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:40,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:40,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:40,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:40,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:40,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:40,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:40,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:40,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:40,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:40,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:40,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:40,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:40,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:40,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:40,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:40,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:40,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:40,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:40,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:40,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:40,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:40,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:40,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:40,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:40,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:40,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:40,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:40,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:40,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:40,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:40,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:40,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:40,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:40,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:40,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:40,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:40,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:40,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:40,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:40,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:40,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:40,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:40,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:40,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:23:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:40,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:40,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:40,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:40,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:40,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:40,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:40,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:40,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:40,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:40,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:23:40,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:40,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:23:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:40,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:40,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:40,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:40,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:40,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:23:40,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:40,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:40,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:40,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:40,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:23:40,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:40,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:40,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:40,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:40,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:40,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:40,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:23:40,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:40,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:40,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:40,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:40,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 05:23:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:40,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:40,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:40,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:40,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:40,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:40,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:40,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:40,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:40,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 05:23:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:40,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:40,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:40,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:40,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:40,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:40,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:40,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:40,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:40,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:40,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:40,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:23:40,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406050387] [2020-09-25 05:23:40,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:40,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:23:40,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626664127] [2020-09-25 05:23:40,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:23:40,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:40,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:23:40,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:23:40,590 INFO L87 Difference]: Start difference. First operand 293 states and 318 transitions. Second operand 6 states. [2020-09-25 05:23:41,141 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:23:42,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:23:42,485 INFO L93 Difference]: Finished difference Result 541 states and 623 transitions. [2020-09-25 05:23:42,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 05:23:42,487 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 05:23:42,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:23:42,491 INFO L225 Difference]: With dead ends: 541 [2020-09-25 05:23:42,491 INFO L226 Difference]: Without dead ends: 363 [2020-09-25 05:23:42,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:23:42,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-09-25 05:23:42,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 293. [2020-09-25 05:23:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-25 05:23:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 317 transitions. [2020-09-25 05:23:42,540 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 317 transitions. Word has length 174 [2020-09-25 05:23:42,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:23:42,540 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 317 transitions. [2020-09-25 05:23:42,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:23:42,541 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 317 transitions. [2020-09-25 05:23:42,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 05:23:42,543 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:42,544 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:23:42,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:23:42,544 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:42,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:42,545 INFO L82 PathProgramCache]: Analyzing trace with hash 453454143, now seen corresponding path program 1 times [2020-09-25 05:23:42,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:42,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268975745] [2020-09-25 05:23:42,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:42,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:42,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:42,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:43,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:45,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:45,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:45,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:47,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:47,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-09-25 05:23:47,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 05:23:47,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 05:23:47,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:47,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:47,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:23:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-09-25 05:23:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:23:47,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:47,956 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:47,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:47,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:48,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 05:23:48,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:48,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:48,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:48,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:48,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:48,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:48,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:48,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:48,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:48,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:48,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:48,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:48,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:23:48,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:48,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:48,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:48,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:48,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:48,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:48,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:23:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:48,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:48,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:48,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:23:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:48,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:48,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:48,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:48,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:48,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:48,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:48,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:48,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:48,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:48,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:23:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 05:23:48,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:23:48,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 05:23:48,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:23:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:23:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:23:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 05:23:48,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:23:48,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:23:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 05:23:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:23:48,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:23:48,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:23:48,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:23:48,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 05:23:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 05:23:48,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:48,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:23:48,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:23:48,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:23:48,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 05:23:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:48,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:48,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:48,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:48,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:48,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 05:23:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:48,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:48,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:48,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:48,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:48,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:48,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:48,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:48,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:48,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:48,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:48,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:23:48,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268975745] [2020-09-25 05:23:48,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:48,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:23:48,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099158750] [2020-09-25 05:23:48,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:23:48,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:48,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:23:48,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:23:48,505 INFO L87 Difference]: Start difference. First operand 293 states and 317 transitions. Second operand 8 states. [2020-09-25 05:23:49,167 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:23:51,394 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:23:52,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:23:52,357 INFO L93 Difference]: Finished difference Result 736 states and 875 transitions. [2020-09-25 05:23:52,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 05:23:52,360 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2020-09-25 05:23:52,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:23:52,368 INFO L225 Difference]: With dead ends: 736 [2020-09-25 05:23:52,369 INFO L226 Difference]: Without dead ends: 558 [2020-09-25 05:23:52,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-09-25 05:23:52,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-09-25 05:23:52,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 420. [2020-09-25 05:23:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-09-25 05:23:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 454 transitions. [2020-09-25 05:23:52,476 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 454 transitions. Word has length 192 [2020-09-25 05:23:52,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:23:52,477 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 454 transitions. [2020-09-25 05:23:52,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:23:52,477 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 454 transitions. [2020-09-25 05:23:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 05:23:52,481 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:52,481 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:23:52,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:23:52,482 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:52,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:52,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1112059106, now seen corresponding path program 1 times [2020-09-25 05:23:52,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:52,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889336945] [2020-09-25 05:23:52,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:52,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:52,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:53,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:53,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:54,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:57,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:57,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-25 05:23:57,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:23:57,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 05:23:57,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:57,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:57,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:23:57,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-09-25 05:23:57,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 05:23:57,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:57,883 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:57,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:57,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:58,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 05:23:58,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:58,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:58,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:58,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:58,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:58,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:58,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:58,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:58,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:58,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:58,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:58,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:23:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:58,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:23:58,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:23:58,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:23:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:58,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:58,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:58,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:58,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:23:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 05:23:58,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:23:58,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-25 05:23:58,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:58,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 05:23:58,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:23:58,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:23:58,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 05:23:58,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:58,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:23:58,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 05:23:58,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:23:58,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:58,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:23:58,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:23:58,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 05:23:58,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:58,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 05:23:58,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:23:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:23:58,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:23:58,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:23:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:58,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:58,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:23:58,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 05:23:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:58,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:58,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:58,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:23:58,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 05:23:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:58,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:23:58,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:23:58,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:23:58,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 05:23:58,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889336945] [2020-09-25 05:23:58,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:58,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 05:23:58,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492297050] [2020-09-25 05:23:58,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 05:23:58,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:58,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 05:23:58,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:23:58,579 INFO L87 Difference]: Start difference. First operand 420 states and 454 transitions. Second operand 11 states. [2020-09-25 05:23:59,166 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:24:00,163 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:24:00,467 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:24:01,522 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:24:01,905 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:24:02,314 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:24:03,066 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191