/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:15:54,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:15:54,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:15:54,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:15:54,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:15:54,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:15:54,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:15:54,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:15:54,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:15:54,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:15:54,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:15:54,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:15:54,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:15:54,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:15:54,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:15:54,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:15:54,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:15:54,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:15:54,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:15:54,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:15:54,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:15:54,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:15:54,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:15:54,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:15:54,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:15:54,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:15:54,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:15:54,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:15:54,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:15:54,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:15:54,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:15:54,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:15:54,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:15:54,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:15:54,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:15:54,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:15:54,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:15:54,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:15:54,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:15:54,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:15:54,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:15:54,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 13:15:54,782 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:15:54,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:15:54,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:15:54,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:15:54,784 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:15:54,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:15:54,785 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:15:54,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:15:54,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:15:54,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:15:54,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:15:54,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:15:54,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:15:54,786 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:15:54,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:15:54,786 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:15:54,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:15:54,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:15:54,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:15:54,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:15:54,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:15:54,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:15:54,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:15:54,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:15:54,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:15:54,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:15:54,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:15:54,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:15:54,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:15:54,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:15:55,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:15:55,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:15:55,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:15:55,311 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:15:55,311 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:15:55,312 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-25 13:15:55,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24b671ffa/d281ce067f2f47bea7f776302bb187d5/FLAGa375595e0 [2020-09-25 13:15:55,984 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:15:55,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-25 13:15:56,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24b671ffa/d281ce067f2f47bea7f776302bb187d5/FLAGa375595e0 [2020-09-25 13:15:56,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24b671ffa/d281ce067f2f47bea7f776302bb187d5 [2020-09-25 13:15:56,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:15:56,280 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:15:56,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:15:56,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:15:56,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:15:56,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:15:56" (1/1) ... [2020-09-25 13:15:56,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbc2ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:56, skipping insertion in model container [2020-09-25 13:15:56,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:15:56" (1/1) ... [2020-09-25 13:15:56,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:15:56,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:15:56,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:15:56,909 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:15:57,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:15:57,063 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:15:57,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:57 WrapperNode [2020-09-25 13:15:57,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:15:57,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:15:57,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:15:57,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:15:57,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:57" (1/1) ... [2020-09-25 13:15:57,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:57" (1/1) ... [2020-09-25 13:15:57,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:57" (1/1) ... [2020-09-25 13:15:57,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:57" (1/1) ... [2020-09-25 13:15:57,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:57" (1/1) ... [2020-09-25 13:15:57,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:57" (1/1) ... [2020-09-25 13:15:57,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:57" (1/1) ... [2020-09-25 13:15:57,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:15:57,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:15:57,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:15:57,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:15:57,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:15:57,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:15:57,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:15:57,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:15:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:15:57,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:15:57,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:15:57,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:15:57,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:15:57,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:15:57,294 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:15:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:15:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:15:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:15:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:15:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:15:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:15:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:15:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:15:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 13:15:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:15:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:15:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:15:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:15:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:15:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:15:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:15:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 13:15:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:15:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:15:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:15:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:15:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:15:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:15:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 13:15:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:15:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:15:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:15:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:15:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:15:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:15:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 13:15:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 13:15:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:15:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:15:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:15:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:15:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:15:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:15:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:15:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:15:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:15:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:15:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:15:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:15:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:15:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:15:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:15:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:15:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:15:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:15:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:15:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:15:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:15:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:15:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:15:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:15:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:15:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:15:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:15:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:15:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:15:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:15:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:15:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:15:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:15:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:15:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:15:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:15:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:15:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:15:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 13:15:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:15:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:15:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:15:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:15:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 13:15:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:15:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:15:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 13:15:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:15:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:15:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:15:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:15:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 13:15:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:15:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:15:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 13:15:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:15:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:15:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:15:58,680 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:15:58,680 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:15:58,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:15:58 BoogieIcfgContainer [2020-09-25 13:15:58,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:15:58,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:15:58,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:15:58,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:15:58,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:15:56" (1/3) ... [2020-09-25 13:15:58,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcc8df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:15:58, skipping insertion in model container [2020-09-25 13:15:58,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:15:57" (2/3) ... [2020-09-25 13:15:58,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcc8df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:15:58, skipping insertion in model container [2020-09-25 13:15:58,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:15:58" (3/3) ... [2020-09-25 13:15:58,698 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-09-25 13:15:58,710 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:15:58,722 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:15:58,744 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:15:58,776 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:15:58,776 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:15:58,777 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:15:58,777 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:15:58,777 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:15:58,777 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:15:58,777 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:15:58,778 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:15:58,809 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states. [2020-09-25 13:15:58,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 13:15:58,828 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:15:58,830 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:15:58,830 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:15:58,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:15:58,839 INFO L82 PathProgramCache]: Analyzing trace with hash 678471582, now seen corresponding path program 1 times [2020-09-25 13:15:58,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:15:58,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869149819] [2020-09-25 13:15:58,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:15:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:15:59,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:15:59,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:00,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:01,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:04,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:04,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 13:16:04,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:16:04,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 13:16:04,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:04,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:04,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:16:04,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:16:04,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 13:16:04,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:16:04,688 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:16:04,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:16:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:04,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:05,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:05,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:16:05,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:05,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-09-25 13:16:05,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:05,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:05,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:05,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:05,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:16:05,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:05,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:16:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:05,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:05,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:05,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:05,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:05,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:05,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:05,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:05,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:05,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:05,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:05,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:05,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:16:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:05,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:05,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:05,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:05,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:05,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:05,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:05,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:05,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:05,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:05,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:05,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:05,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:16:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:05,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:05,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:05,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:05,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:05,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:16:05,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:05,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:05,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:05,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:05,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:16:05,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:05,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:16:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:05,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:05,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:05,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:05,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:05,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:05,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:05,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:05,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:05,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:05,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:05,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:05,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:16:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:05,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:05,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:05,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:05,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:05,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:05,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:05,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:05,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:05,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:16:05,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:05,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:05,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 13:16:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:05,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:05,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:05,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:05,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:05,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:05,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:05,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:05,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:05,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:16:05,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:05,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:16:05,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869149819] [2020-09-25 13:16:05,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:16:05,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:16:05,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567855111] [2020-09-25 13:16:05,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:16:05,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:16:05,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:16:05,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:16:05,235 INFO L87 Difference]: Start difference. First operand 352 states. Second operand 5 states. [2020-09-25 13:16:05,830 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:16:06,780 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:16:09,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:16:09,993 INFO L93 Difference]: Finished difference Result 915 states and 1128 transitions. [2020-09-25 13:16:09,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:16:09,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-09-25 13:16:09,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:16:10,021 INFO L225 Difference]: With dead ends: 915 [2020-09-25 13:16:10,021 INFO L226 Difference]: Without dead ends: 660 [2020-09-25 13:16:10,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:16:10,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2020-09-25 13:16:10,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 566. [2020-09-25 13:16:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-09-25 13:16:10,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 645 transitions. [2020-09-25 13:16:10,241 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 645 transitions. Word has length 142 [2020-09-25 13:16:10,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:16:10,242 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 645 transitions. [2020-09-25 13:16:10,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:16:10,242 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 645 transitions. [2020-09-25 13:16:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 13:16:10,255 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:16:10,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:16:10,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:16:10,258 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:16:10,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:16:10,259 INFO L82 PathProgramCache]: Analyzing trace with hash -674133157, now seen corresponding path program 1 times [2020-09-25 13:16:10,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:16:10,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1526833181] [2020-09-25 13:16:10,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:16:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:10,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:10,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:10,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:11,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:11,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:15,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:15,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 13:16:15,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:16:15,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 13:16:15,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:15,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 13:16:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 13:16:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 13:16:15,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:15,658 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:16:15,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:16:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:15,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:15,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:15,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:16:15,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:15,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-25 13:16:15,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:15,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:15,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:15,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:15,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 13:16:15,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:15,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:16:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:15,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:15,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:15,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:15,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:15,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:15,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:15,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:15,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:15,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:16:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:15,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:15,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:15,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:15,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:15,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:15,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:15,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:15,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:15,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:16:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:16,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:16,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:16,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:16,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:16,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:16:16,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:16,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:16:16,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:16,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:16:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:16,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:16,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:16,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:16,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:16,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:16,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:16,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:16,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:16,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:16,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:16,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:16,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 13:16:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:16,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:16,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:16,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:16,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:16,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 13:16:16,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:16:16,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 13:16:16,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:16,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:16,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:16:16,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:16:16,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 13:16:16,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:16,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:16,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:16,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:16,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:16,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:16:16,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:16:16,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:16:16,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:16,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:16,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 13:16:16,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:16:16,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 13:16:16,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:16,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:16,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:16,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:16,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:16:16,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:16,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:16:16,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:16,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:16,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:16:16,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:16:16,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:16:16,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:16,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:16,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:16,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:16,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:16,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:16,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:16,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:16,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:16,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:16,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:16,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:16,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:16,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 13:16:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:16,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:16,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:16,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:16,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:16,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:16,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:16,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:16:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:16,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:16,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 13:16:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:16,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:16,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:16,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:16,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:16,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:16,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:16,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:16,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:16,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:16:16,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:16,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:16:16,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1526833181] [2020-09-25 13:16:16,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:16:16,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:16:16,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340121247] [2020-09-25 13:16:16,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:16:16,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:16:16,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:16:16,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:16:16,214 INFO L87 Difference]: Start difference. First operand 566 states and 645 transitions. Second operand 7 states. [2020-09-25 13:16:16,695 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:16:18,458 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:16:20,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:16:20,070 INFO L93 Difference]: Finished difference Result 1478 states and 1830 transitions. [2020-09-25 13:16:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:16:20,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 161 [2020-09-25 13:16:20,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:16:20,081 INFO L225 Difference]: With dead ends: 1478 [2020-09-25 13:16:20,081 INFO L226 Difference]: Without dead ends: 1022 [2020-09-25 13:16:20,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-09-25 13:16:20,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2020-09-25 13:16:20,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 852. [2020-09-25 13:16:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2020-09-25 13:16:20,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 970 transitions. [2020-09-25 13:16:20,231 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 970 transitions. Word has length 161 [2020-09-25 13:16:20,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:16:20,232 INFO L479 AbstractCegarLoop]: Abstraction has 852 states and 970 transitions. [2020-09-25 13:16:20,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:16:20,232 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 970 transitions. [2020-09-25 13:16:20,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 13:16:20,235 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:16:20,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:16:20,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:16:20,235 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:16:20,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:16:20,236 INFO L82 PathProgramCache]: Analyzing trace with hash -200869376, now seen corresponding path program 1 times [2020-09-25 13:16:20,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:16:20,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [750833355] [2020-09-25 13:16:20,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:16:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:20,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:21,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:21,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:22,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:25,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:25,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 13:16:25,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:16:25,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 13:16:25,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:25,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 13:16:25,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 13:16:25,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-25 13:16:25,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:25,834 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:16:25,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:16:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:25,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:26,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:26,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:16:26,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:26,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-09-25 13:16:26,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:26,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:26,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:26,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:26,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 13:16:26,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:26,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:16:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:26,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:26,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:26,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:26,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:26,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:16:26,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:26,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:26,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:26,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:16:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:26,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:26,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:26,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:26,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:26,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:26,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:26,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:26,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:26,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:26,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:16:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:26,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:26,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:26,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:26,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:26,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:16:26,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:26,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:26,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:26,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:26,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:16:26,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:26,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:16:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:26,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:26,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:26,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:26,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:26,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:26,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:26,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:26,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:26,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 13:16:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:26,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:26,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:26,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:16:26,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:26,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:16:26,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:26,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:26,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:26,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:26,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:16:26,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:26,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 13:16:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:26,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:26,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:26,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:26,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:26,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:16:26,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:26,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:16:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:16:26,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:26,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 13:16:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:26,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:26,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:26,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:26,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:26,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:26,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:26,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:16:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:26,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:26,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:16:26,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [750833355] [2020-09-25 13:16:26,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:16:26,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 13:16:26,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457362080] [2020-09-25 13:16:26,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 13:16:26,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:16:26,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 13:16:26,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:16:26,446 INFO L87 Difference]: Start difference. First operand 852 states and 970 transitions. Second operand 10 states. [2020-09-25 13:16:27,099 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:16:28,142 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:16:28,473 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:16:28,792 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:16:29,118 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:16:29,425 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:16:30,718 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:16:31,069 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:16:31,443 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:16:33,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:16:33,385 INFO L93 Difference]: Finished difference Result 2183 states and 2720 transitions. [2020-09-25 13:16:33,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 13:16:33,386 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2020-09-25 13:16:33,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:16:33,403 INFO L225 Difference]: With dead ends: 2183 [2020-09-25 13:16:33,403 INFO L226 Difference]: Without dead ends: 1441 [2020-09-25 13:16:33,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2020-09-25 13:16:33,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2020-09-25 13:16:33,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1341. [2020-09-25 13:16:33,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1341 states. [2020-09-25 13:16:33,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1612 transitions. [2020-09-25 13:16:33,667 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1612 transitions. Word has length 161 [2020-09-25 13:16:33,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:16:33,669 INFO L479 AbstractCegarLoop]: Abstraction has 1341 states and 1612 transitions. [2020-09-25 13:16:33,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 13:16:33,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1612 transitions. [2020-09-25 13:16:33,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-09-25 13:16:33,680 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:16:33,680 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:16:33,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:16:33,681 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:16:33,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:16:33,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1168512886, now seen corresponding path program 1 times [2020-09-25 13:16:33,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:16:33,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991311921] [2020-09-25 13:16:33,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:16:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:33,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:33,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:34,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:34,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:38,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:38,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 413 [2020-09-25 13:16:38,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:16:38,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 13:16:38,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:38,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:38,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-25 13:16:38,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 13:16:38,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 292 [2020-09-25 13:16:38,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,139 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:16:39,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:16:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:16:39,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-25 13:16:39,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 13:16:39,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:16:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:39,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:39,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:39,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:16:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:39,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:39,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:39,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:39,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:16:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:39,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:16:39,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:16:39,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:16:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:39,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:39,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:16:39,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-25 13:16:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-25 13:16:39,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 13:16:39,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:39,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 13:16:39,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 13:16:39,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 13:16:39,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:39,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:39,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:16:39,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 13:16:39,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:39,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:39,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:16:39,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:16:39,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:39,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:39,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:16:39,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:16:39,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:39,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:39,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:16:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:16:39,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:39,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:39,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:39,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:16:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:16:39,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:16:39,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:39,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:39,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 13:16:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:16:39,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:16:39,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:39,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:39,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:39,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:39,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:16:39,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:39,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:39,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:39,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:39,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:39,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:39,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 13:16:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:39,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:39,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:41,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:41,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-25 13:16:41,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:16:41,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1678 [2020-09-25 13:16:41,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:41,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-25 13:16:41,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:16:41,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:41,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:41,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:41,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:41,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:16:41,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:16:41,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-25 13:16:41,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:41,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:16:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 13:16:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:16:41,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:41,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:41,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:41,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:41,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 13:16:41,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:41,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 13:16:41,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:41,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:41,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:16:41,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 13:16:41,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:16:41,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:41,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:41,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:41,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:41,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 13:16:41,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:41,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 13:16:41,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:41,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:41,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:16:41,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 13:16:41,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:16:41,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:41,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:41,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:41,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:41,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:16:41,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:41,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 13:16:41,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:41,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:41,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:16:41,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:41,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 13:16:41,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:41,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:16:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:41,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:41,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:41,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:16:41,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:41,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:16:41,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:41,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:41,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:41,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:16:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:41,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:41,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:41,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 13:16:41,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:41,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:16:42,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:42,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:42,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:42,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 13:16:42,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:42,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:42,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:16:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:42,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:42,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:42,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 13:16:42,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:42,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:42,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:42,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:42,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:42,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:42,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:42,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:42,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:16:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:42,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:42,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:42,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:42,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:42,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:16:42,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:42,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:42,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:42,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:42,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:42,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:42,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 13:16:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:42,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:42,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:42,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:16:42,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:42,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:42,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:42,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:42,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:42,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:42,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:42,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-25 13:16:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:42,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:42,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:42,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:16:42,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:42,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:16:42,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:42,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:42,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:42,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:42,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:42,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:42,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:42,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:42,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:42,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:42,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:42,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:16:42,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:42,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:42,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-25 13:16:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:42,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:42,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:42,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:16:42,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:42,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:16:42,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:42,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:16:42,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:16:42,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-09-25 13:16:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:42,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:42,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:42,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 13:16:42,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:42,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 13:16:42,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:42,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 13:16:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 13:16:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 13:16:42,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:42,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:16:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:42,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:42,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:42,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 13:16:42,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:42,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 13:16:42,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:42,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:42,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 13:16:42,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:42,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 13:16:42,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:42,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:16:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:42,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:42,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:42,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:42,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:42,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:16:42,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:42,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:16:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:16:42,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:42,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-25 13:16:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:42,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:42,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:42,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:16:42,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:42,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:16:42,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:42,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:42,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:16:42,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:16:42,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:16:42,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:42,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-09-25 13:16:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:42,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:42,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:42,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:42,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:42,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:16:42,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:42,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:42,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:42,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:16:42,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:42,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:42,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-09-25 13:16:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:16:42,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:16:42,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:16:42,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:16:42,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:16:42,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:16:42,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:16:42,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:16:42,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:16:42,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:16:42,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:16:42,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:16:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-09-25 13:16:42,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991311921] [2020-09-25 13:16:42,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:16:42,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-25 13:16:42,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086786443] [2020-09-25 13:16:42,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-25 13:16:42,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:16:42,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-25 13:16:42,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2020-09-25 13:16:42,558 INFO L87 Difference]: Start difference. First operand 1341 states and 1612 transitions. Second operand 20 states.