/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=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:02:54,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:02:54,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:02:54,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:02:54,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:02:54,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:02:54,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:02:54,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:02:54,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:02:54,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:02:54,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:02:54,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:02:54,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:02:55,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:02:55,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:02:55,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:02:55,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:02:55,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:02:55,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:02:55,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:02:55,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:02:55,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:02:55,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:02:55,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:02:55,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:02:55,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:02:55,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:02:55,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:02:55,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:02:55,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:02:55,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:02:55,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:02:55,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:02:55,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:02:55,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:02:55,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:02:55,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:02:55,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:02:55,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:02:55,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:02:55,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:02:55,044 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 12:02:55,093 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:02:55,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:02:55,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:02:55,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:02:55,096 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:02:55,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:02:55,097 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:02:55,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:02:55,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:02:55,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:02:55,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:02:55,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:02:55,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:02:55,099 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:02:55,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:02:55,100 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:02:55,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:02:55,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:02:55,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:02:55,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:02:55,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:02:55,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:02:55,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:02:55,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:02:55,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:02:55,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:02:55,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:02:55,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:02:55,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:02:55,103 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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;log-additional-information=true; [2020-09-25 12:02:55,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:02:55,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:02:55,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:02:55,570 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:02:55,570 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:02:55,571 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-25 12:02:55,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11c6fc363/75aabd91a11d47a783a28e77d51559df/FLAGea30e4580 [2020-09-25 12:02:56,287 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:02:56,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-25 12:02:56,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11c6fc363/75aabd91a11d47a783a28e77d51559df/FLAGea30e4580 [2020-09-25 12:02:56,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11c6fc363/75aabd91a11d47a783a28e77d51559df [2020-09-25 12:02:56,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:02:56,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:02:56,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:02:56,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:02:56,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:02:56,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:02:56" (1/1) ... [2020-09-25 12:02:56,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca632cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:02:56, skipping insertion in model container [2020-09-25 12:02:56,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:02:56" (1/1) ... [2020-09-25 12:02:56,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:02:56,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:02:57,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:02:57,284 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:02:57,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:02:57,476 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:02:57,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:02:57 WrapperNode [2020-09-25 12:02:57,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:02:57,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:02:57,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:02:57,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:02:57,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:02:57" (1/1) ... [2020-09-25 12:02:57,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:02:57" (1/1) ... [2020-09-25 12:02:57,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:02:57" (1/1) ... [2020-09-25 12:02:57,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:02:57" (1/1) ... [2020-09-25 12:02:57,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:02:57" (1/1) ... [2020-09-25 12:02:57,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:02:57" (1/1) ... [2020-09-25 12:02:57,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:02:57" (1/1) ... [2020-09-25 12:02:57,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:02:57,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:02:57,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:02:57,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:02:57,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:02:57" (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 12:02:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:02:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:02:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:02:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:02:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:02:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:02:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:02:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:02:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:02:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:02:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 12:02:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:02:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-25 12:02:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-25 12:02:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-25 12:02:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-25 12:02:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-25 12:02:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-25 12:02:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:02:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-25 12:02:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-25 12:02:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:02:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:02:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:02:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:02:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:02:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:02:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 12:02:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 12:02:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 12:02:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:02:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:02:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:02:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:02:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:02:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:02:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:02:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:02:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:02:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:02:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:02:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:02:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:02:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:02:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:02:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:02:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:02:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:02:57,714 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:02:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:02:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:02:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:02:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:02:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:02:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:02:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:02:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:02:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:02:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:02:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 12:02:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:02:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:02:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:02:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:02:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:02:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:02:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 12:02:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 12:02:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:02:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:02:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-25 12:02:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:02:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-25 12:02:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-25 12:02:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 12:02:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-25 12:02:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-25 12:02:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:02:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-25 12:02:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-25 12:02:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-25 12:02:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:02:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:02:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:02:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:02:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:02:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:02:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:02:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:02:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:02:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:02:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:02:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:02:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:02:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:02:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:02:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:02:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:02:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:02:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:02:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:02:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:02:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:02:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:02:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:02:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:02:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:02:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:02:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:02:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:02:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:02:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:02:59,014 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:02:59,015 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:02:59,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:02:59 BoogieIcfgContainer [2020-09-25 12:02:59,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:02:59,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:02:59,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:02:59,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:02:59,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:02:56" (1/3) ... [2020-09-25 12:02:59,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec6a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:02:59, skipping insertion in model container [2020-09-25 12:02:59,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:02:57" (2/3) ... [2020-09-25 12:02:59,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec6a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:02:59, skipping insertion in model container [2020-09-25 12:02:59,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:02:59" (3/3) ... [2020-09-25 12:02:59,033 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2020-09-25 12:02:59,046 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:02:59,058 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:02:59,082 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:02:59,118 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:02:59,118 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:02:59,118 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:02:59,118 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:02:59,118 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:02:59,119 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:02:59,119 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:02:59,119 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:02:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states. [2020-09-25 12:02:59,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 12:02:59,177 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:02:59,179 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:59,179 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:02:59,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:02:59,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1714706327, now seen corresponding path program 1 times [2020-09-25 12:02:59,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:02:59,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29357000] [2020-09-25 12:02:59,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:02:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:02:59,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:00,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:02,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:02,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:03,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:04,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:04,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-25 12:03:04,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:03:04,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 12:03:04,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:04,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:03:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-09-25 12:03:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-25 12:03:04,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 12:03:05,478 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 12:03:05,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:03:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:05,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:05,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:05,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-25 12:03:05,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:05,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-09-25 12:03:05,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:05,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:05,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:05,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:05,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 12:03:05,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:05,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 12:03:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:05,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:05,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:05,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:03:05,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:05,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:03:05,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:05,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:05,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:05,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:05,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:03:05,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:06,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-25 12:03:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:06,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:06,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:06,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:03:06,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:06,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 12:03:06,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:06,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:06,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:06,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:06,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 12:03:06,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:06,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:03:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:06,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:06,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:06,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:06,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:06,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:03:06,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:06,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:06,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:06,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:06,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:06,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:06,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:03:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:06,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:06,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:06,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:06,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:06,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:03:06,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:06,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:06,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:06,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:06,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:06,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:06,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:03:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:06,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:06,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:06,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:06,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:06,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:03:06,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:06,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:06,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:06,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:06,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:06,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:03:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:06,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:06,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:06,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:06,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:06,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:03:06,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:06,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:06,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:06,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:06,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:06,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:06,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 12:03:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:06,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:06,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:06,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:06,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:06,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:03:06,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:06,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:06,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:06,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:06,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:03:06,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 12:03:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:06,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:06,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:06,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:06,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:06,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:03:06,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:06,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:06,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:06,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 12:03:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:06,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:06,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:06,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:03:06,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:03:06,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:06,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:03:06,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:06,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 12:03:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:06,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:06,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:06,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:03:06,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:06,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:03:06,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:06,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:06,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:06,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:06,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:03:06,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:06,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 12:03:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:06,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:06,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:06,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:03:06,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:06,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:03:06,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:06,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:03:06,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:06,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 12:03:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:06,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:06,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:06,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:03:06,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:06,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:03:06,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:06,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:06,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:06,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:03:06,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:06,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:06,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 12:03:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:06,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:06,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:06,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:03:06,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:06,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:03:06,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:06,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:06,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:06,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:03:06,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:06,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 12:03:06,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29357000] [2020-09-25 12:03:06,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:03:06,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 12:03:06,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775468365] [2020-09-25 12:03:06,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 12:03:06,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:03:06,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 12:03:06,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:03:06,474 INFO L87 Difference]: Start difference. First operand 424 states. Second operand 8 states. [2020-09-25 12:03:07,364 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 12:03:12,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:03:12,455 INFO L93 Difference]: Finished difference Result 938 states and 1146 transitions. [2020-09-25 12:03:12,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 12:03:12,458 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 230 [2020-09-25 12:03:12,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:03:12,486 INFO L225 Difference]: With dead ends: 938 [2020-09-25 12:03:12,487 INFO L226 Difference]: Without dead ends: 680 [2020-09-25 12:03:12,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-09-25 12:03:12,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-09-25 12:03:12,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 579. [2020-09-25 12:03:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-09-25 12:03:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 669 transitions. [2020-09-25 12:03:12,717 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 669 transitions. Word has length 230 [2020-09-25 12:03:12,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:03:12,719 INFO L479 AbstractCegarLoop]: Abstraction has 579 states and 669 transitions. [2020-09-25 12:03:12,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 12:03:12,719 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 669 transitions. [2020-09-25 12:03:12,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-09-25 12:03:12,727 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:03:12,728 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:03:12,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:03:12,729 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:03:12,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:03:12,729 INFO L82 PathProgramCache]: Analyzing trace with hash 404962526, now seen corresponding path program 1 times [2020-09-25 12:03:12,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:03:12,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082191411] [2020-09-25 12:03:12,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:03:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:12,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:13,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:14,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:14,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:17,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:17,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:17,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-09-25 12:03:17,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:03:17,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 12:03:17,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:17,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:17,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:03:17,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-25 12:03:17,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-25 12:03:17,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:18,372 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 12:03:18,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:03:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:18,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:18,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:18,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-25 12:03:18,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:18,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-25 12:03:18,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:18,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:18,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:18,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:18,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 12:03:18,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:18,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 12:03:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:18,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:18,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:18,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:03:18,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:18,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:03:18,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:18,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:18,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:03:18,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:18,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-25 12:03:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:18,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:18,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:18,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:03:18,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:18,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 12:03:18,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:18,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 12:03:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:18,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:03:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:18,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:18,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:18,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:18,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:18,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:03:18,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:18,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:18,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:18,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:03:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:18,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:18,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:18,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:18,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:18,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:03:18,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:18,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:18,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:18,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:18,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:18,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:03:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:18,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:18,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:18,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:18,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:18,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:03:18,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:18,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:18,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:18,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:18,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:18,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:03:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:18,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:18,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:18,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:18,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:18,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:03:18,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:18,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:18,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:18,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 12:03:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:18,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:18,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:18,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:18,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:18,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:03:18,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:18,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:18,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:18,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:18,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 12:03:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:18,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:18,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:18,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:18,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:18,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:03:18,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:18,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:18,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:18,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:18,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:18,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 12:03:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:18,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:18,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:18,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:03:18,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:18,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:03:18,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:18,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:18,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:18,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:03:18,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:18,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 12:03:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:18,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:18,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:18,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:03:18,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:03:18,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:18,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:03:18,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:19,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 12:03:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:19,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:19,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:19,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:03:19,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:19,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:03:19,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:19,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:19,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:19,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:19,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:03:19,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:19,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 12:03:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:19,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:19,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:19,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 12:03:19,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:19,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:03:19,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:19,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:03:19,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:19,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:03:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:19,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:19,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:19,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:03:19,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:19,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:03:19,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:19,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:19,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:19,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:03:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:19,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:19,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:19,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:19,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:19,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:03:19,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:19,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:19,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:19,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:03:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:19,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:19,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:19,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:03:19,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:19,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:03:19,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:19,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:19,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:19,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:19,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:19,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:19,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-25 12:03:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:19,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:19,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:19,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:03:19,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:19,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:03:19,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:19,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:03:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:03:19,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:19,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-25 12:03:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:19,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:19,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:19,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:03:19,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:19,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:03:19,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:19,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:19,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:19,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:03:19,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:19,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:19,235 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 12:03:19,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082191411] [2020-09-25 12:03:19,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:03:19,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 12:03:19,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568641011] [2020-09-25 12:03:19,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 12:03:19,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:03:19,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 12:03:19,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 12:03:19,242 INFO L87 Difference]: Start difference. First operand 579 states and 669 transitions. Second operand 12 states. [2020-09-25 12:03:20,054 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 12:03:21,991 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-25 12:03:22,430 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-25 12:03:24,041 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 12:03:24,485 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 12:03:25,041 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 12:03:25,643 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-09-25 12:03:26,080 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 12:03:26,811 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 12:03:30,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:03:30,407 INFO L93 Difference]: Finished difference Result 1691 states and 2135 transitions. [2020-09-25 12:03:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 12:03:30,408 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 246 [2020-09-25 12:03:30,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:03:30,422 INFO L225 Difference]: With dead ends: 1691 [2020-09-25 12:03:30,422 INFO L226 Difference]: Without dead ends: 1234 [2020-09-25 12:03:30,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=364, Invalid=968, Unknown=0, NotChecked=0, Total=1332 [2020-09-25 12:03:30,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2020-09-25 12:03:30,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 948. [2020-09-25 12:03:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2020-09-25 12:03:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1112 transitions. [2020-09-25 12:03:30,609 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1112 transitions. Word has length 246 [2020-09-25 12:03:30,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:03:30,610 INFO L479 AbstractCegarLoop]: Abstraction has 948 states and 1112 transitions. [2020-09-25 12:03:30,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 12:03:30,610 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1112 transitions. [2020-09-25 12:03:30,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-25 12:03:30,616 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:03:30,617 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:03:30,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:03:30,618 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:03:30,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:03:30,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1550661076, now seen corresponding path program 1 times [2020-09-25 12:03:30,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:03:30,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692071727] [2020-09-25 12:03:30,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:03:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:30,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:31,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:31,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:33,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:35,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:35,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-09-25 12:03:35,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:03:35,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-09-25 12:03:35,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:35,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:35,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:03:35,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-25 12:03:35,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-09-25 12:03:35,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:36,242 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 12:03:36,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:03:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-25 12:03:36,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-25 12:03:36,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 12:03:36,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:36,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 12:03:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:03:36,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:03:36,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:36,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:03:36,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:36,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-25 12:03:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 12:03:36,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 12:03:36,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:36,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 12:03:36,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:36,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 12:03:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:36,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:03:36,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:36,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:36,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:36,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:03:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:36,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:03:36,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:36,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:36,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:36,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:03:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:36,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:03:36,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:36,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:36,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:36,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:03:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:36,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:03:36,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:36,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:36,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:36,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 12:03:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:36,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:03:36,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:36,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:36,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 12:03:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:03:36,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:03:36,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:03:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:03:36,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:36,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 12:03:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:03:36,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:03:36,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:36,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:03:36,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:36,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 12:03:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:03:36,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:03:36,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:36,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:03:36,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:36,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 12:03:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:03:36,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:03:36,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:03:36,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:36,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 12:03:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:03:36,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:03:36,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:36,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:03:36,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:36,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-25 12:03:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:03:36,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:03:36,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:03:36,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:03:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:03:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:03:36,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:03:36,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-25 12:03:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:03:36,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:03:36,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:03:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:03:36,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:36,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-09-25 12:03:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:03:36,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:03:36,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:03:36,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:03:36,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:03:36,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:03:36,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:03:36,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:03:36,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:03:36,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:03:36,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:03:36,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:03:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 12:03:37,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692071727] [2020-09-25 12:03:37,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:03:37,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 12:03:37,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24223668] [2020-09-25 12:03:37,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 12:03:37,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:03:37,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 12:03:37,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-25 12:03:37,118 INFO L87 Difference]: Start difference. First operand 948 states and 1112 transitions. Second operand 14 states. [2020-09-25 12:03:37,897 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 12:03:40,631 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 12:03:41,378 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 217 [2020-09-25 12:03:41,867 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 12:03:42,333 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 12:03:42,722 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 12:03:44,005 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 12:03:44,334 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-25 12:03:44,865 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 214