/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:18:27,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:18:27,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:18:27,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:18:27,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:18:27,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:18:27,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:18:27,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:18:27,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:18:27,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:18:27,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:18:27,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:18:27,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:18:27,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:18:27,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:18:27,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:18:27,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:18:27,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:18:27,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:18:27,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:18:27,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:18:27,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:18:27,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:18:27,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:18:27,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:18:27,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:18:27,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:18:27,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:18:27,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:18:27,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:18:27,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:18:27,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:18:27,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:18:27,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:18:27,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:18:27,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:18:27,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:18:27,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:18:27,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:18:27,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:18:27,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:18:27,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 13:18:27,920 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:18:27,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:18:27,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:18:27,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:18:27,923 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:18:27,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:18:27,923 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:18:27,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:18:27,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:18:27,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:18:27,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:18:27,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:18:27,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:18:27,924 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:18:27,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:18:27,925 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:18:27,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:18:27,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:18:27,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:18:27,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:18:27,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:18:27,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:18:27,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:18:27,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:18:27,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:18:27,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:18:27,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:18:27,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:18:27,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:18:27,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:18:28,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:18:28,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:18:28,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:18:28,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:18:28,460 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:18:28,462 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-09-25 13:18:28,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d6d3d51c3/457edd3ce4614c9c9ddf3b4b5ef8a8d3/FLAG7658b2b9a [2020-09-25 13:18:29,146 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:18:29,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-09-25 13:18:29,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d6d3d51c3/457edd3ce4614c9c9ddf3b4b5ef8a8d3/FLAG7658b2b9a [2020-09-25 13:18:29,435 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d6d3d51c3/457edd3ce4614c9c9ddf3b4b5ef8a8d3 [2020-09-25 13:18:29,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:18:29,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:18:29,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:18:29,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:18:29,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:18:29,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:18:29" (1/1) ... [2020-09-25 13:18:29,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:29, skipping insertion in model container [2020-09-25 13:18:29,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:18:29" (1/1) ... [2020-09-25 13:18:29,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:18:29,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:18:30,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:18:30,150 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:18:30,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:18:30,264 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:18:30,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:30 WrapperNode [2020-09-25 13:18:30,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:18:30,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:18:30,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:18:30,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:18:30,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:30" (1/1) ... [2020-09-25 13:18:30,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:30" (1/1) ... [2020-09-25 13:18:30,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:30" (1/1) ... [2020-09-25 13:18:30,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:30" (1/1) ... [2020-09-25 13:18:30,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:30" (1/1) ... [2020-09-25 13:18:30,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:30" (1/1) ... [2020-09-25 13:18:30,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:30" (1/1) ... [2020-09-25 13:18:30,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:18:30,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:18:30,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:18:30,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:18:30,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:18:30,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:18:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:18:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:18:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 13:18:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 13:18:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 13:18:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:18:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:18:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:18:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:18:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:18:30,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:18:30,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:18:30,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:18:30,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:18:30,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:18:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:18:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:18:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:18:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:18:30,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:18:30,453 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:18:30,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:18:30,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:18:30,453 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:18:30,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:18:30,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:18:30,454 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:18:30,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:18:30,454 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:18:30,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:18:30,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:18:30,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:18:30,455 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 13:18:30,455 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:18:30,455 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:18:30,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:18:30,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:18:30,456 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:18:30,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:18:30,456 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 13:18:30,456 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:18:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:18:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:18:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:18:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:18:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:18:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:18:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 13:18:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 13:18:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 13:18:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:18:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:18:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:18:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:18:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:18:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:18:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:18:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:18:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:18:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:18:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:18:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:18:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:18:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:18:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:18:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:18:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:18:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:18:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:18:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:18:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:18:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:18:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:18:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:18:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:18:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:18:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:18:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:18:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:18:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:18:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:18:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:18:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:18:30,464 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:18:30,464 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:18:30,464 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:18:30,464 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:18:30,464 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 13:18:30,464 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:18:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:18:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:18:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:18:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:18:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 13:18:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:18:30,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:18:30,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:18:31,630 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:18:31,631 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:18:31,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:18:31 BoogieIcfgContainer [2020-09-25 13:18:31,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:18:31,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:18:31,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:18:31,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:18:31,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:18:29" (1/3) ... [2020-09-25 13:18:31,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbb63f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:18:31, skipping insertion in model container [2020-09-25 13:18:31,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:30" (2/3) ... [2020-09-25 13:18:31,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbb63f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:18:31, skipping insertion in model container [2020-09-25 13:18:31,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:18:31" (3/3) ... [2020-09-25 13:18:31,652 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-09-25 13:18:31,666 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:18:31,682 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:18:31,702 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:18:31,735 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:18:31,735 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:18:31,735 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:18:31,735 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:18:31,735 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:18:31,735 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:18:31,736 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:18:31,736 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:18:31,766 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states. [2020-09-25 13:18:31,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 13:18:31,786 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:31,787 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:31,788 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:31,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:31,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1445921999, now seen corresponding path program 1 times [2020-09-25 13:18:31,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:31,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556481281] [2020-09-25 13:18:31,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:32,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:32,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:34,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:34,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 13:18:37,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:18:37,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 13:18:37,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:18:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 13:18:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-25 13:18:37,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:18:37,687 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:37,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:37,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:38,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-09-25 13:18:38,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 13:18:38,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:18:38,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:38,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:38,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:38,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:38,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:38,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:38,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:38,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:38,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:18:38,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:38,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:38,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:38,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:38,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:38,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:38,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:38,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:38,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:18:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:38,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:38,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:18:38,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:38,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:38,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 13:18:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:38,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:38,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:38,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 13:18:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:38,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:38,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:38,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556481281] [2020-09-25 13:18:38,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:38,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:18:38,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013728683] [2020-09-25 13:18:38,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:18:38,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:38,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:18:38,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:18:38,339 INFO L87 Difference]: Start difference. First operand 332 states. Second operand 6 states. [2020-09-25 13:18:39,077 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:18:40,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:40,731 INFO L93 Difference]: Finished difference Result 525 states and 615 transitions. [2020-09-25 13:18:40,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:18:40,734 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 13:18:40,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:40,755 INFO L225 Difference]: With dead ends: 525 [2020-09-25 13:18:40,756 INFO L226 Difference]: Without dead ends: 329 [2020-09-25 13:18:40,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-25 13:18:40,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-09-25 13:18:40,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 281. [2020-09-25 13:18:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-09-25 13:18:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 305 transitions. [2020-09-25 13:18:40,884 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 305 transitions. Word has length 160 [2020-09-25 13:18:40,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:40,886 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 305 transitions. [2020-09-25 13:18:40,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:18:40,886 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 305 transitions. [2020-09-25 13:18:40,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 13:18:40,891 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:40,892 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:40,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:18:40,893 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:40,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:40,893 INFO L82 PathProgramCache]: Analyzing trace with hash 172350056, now seen corresponding path program 1 times [2020-09-25 13:18:40,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:40,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983540086] [2020-09-25 13:18:40,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:41,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:41,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:41,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:41,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:45,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:45,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 13:18:45,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:18:45,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 13:18:45,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:45,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:45,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:18:45,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:18:45,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 13:18:45,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:46,294 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:46,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:46,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:46,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:46,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:46,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-09-25 13:18:46,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:46,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:46,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:18:46,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:46,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:46,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:46,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:46,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:46,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:46,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:46,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:46,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:46,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:46,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:46,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:46,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:46,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:46,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:46,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:46,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:46,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:46,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:46,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:46,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:46,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:46,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:46,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:46,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:46,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:46,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:46,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:18:46,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:46,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:46,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:46,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:18:46,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:46,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:46,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:46,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:46,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:46,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:46,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:46,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:46,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:46,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:46,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:46,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:46,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:46,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:46,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:46,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:46,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:46,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:46,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:46,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:46,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 13:18:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:46,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:46,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:46,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:46,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:18:46,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:46,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:46,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:46,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:46,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:18:46,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:46,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:46,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:46,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:46,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:46,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:46,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:46,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:46,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:46,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:46,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:46,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:46,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:18:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:46,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:46,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:18:46,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:18:46,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 13:18:46,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:46,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:46,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:46,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 13:18:46,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:46,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:46,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:46,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:18:46,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:46,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 13:18:46,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:46,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:46,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:46,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:46,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:18:46,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:46,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:46,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:46,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:46,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:46,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:46,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:46,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:46,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:46,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:46,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:18:46,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 13:18:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:46,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:46,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:46,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:46,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:46,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:46,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:46,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:46,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:46,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:46,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:46,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 13:18:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:46,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:46,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:46,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:46,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:46,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:46,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:46,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:46,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:46,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:46,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:46,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:46,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983540086] [2020-09-25 13:18:46,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:46,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 13:18:46,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990311156] [2020-09-25 13:18:46,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 13:18:46,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:46,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 13:18:46,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 13:18:46,908 INFO L87 Difference]: Start difference. First operand 281 states and 305 transitions. Second operand 8 states. [2020-09-25 13:18:47,527 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:18:49,348 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:50,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:50,609 INFO L93 Difference]: Finished difference Result 694 states and 825 transitions. [2020-09-25 13:18:50,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 13:18:50,610 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 174 [2020-09-25 13:18:50,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:50,618 INFO L225 Difference]: With dead ends: 694 [2020-09-25 13:18:50,619 INFO L226 Difference]: Without dead ends: 528 [2020-09-25 13:18:50,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-09-25 13:18:50,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-09-25 13:18:50,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 439. [2020-09-25 13:18:50,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-09-25 13:18:50,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 488 transitions. [2020-09-25 13:18:50,706 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 488 transitions. Word has length 174 [2020-09-25 13:18:50,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:50,707 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 488 transitions. [2020-09-25 13:18:50,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 13:18:50,707 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 488 transitions. [2020-09-25 13:18:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-25 13:18:50,711 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:50,711 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:50,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:18:50,712 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:50,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:50,712 INFO L82 PathProgramCache]: Analyzing trace with hash -476532751, now seen corresponding path program 1 times [2020-09-25 13:18:50,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:50,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171998526] [2020-09-25 13:18:50,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:53,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:53,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:53,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:54,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:55,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:55,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-25 13:18:55,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 13:18:55,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 13:18:55,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:55,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:55,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 13:18:55,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:18:55,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-09-25 13:18:55,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:56,210 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:56,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:56,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:56,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:56,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:56,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:56,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-09-25 13:18:56,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:56,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:56,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:56,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:56,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:18:56,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:56,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:56,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:56,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:56,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:56,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:56,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:56,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:56,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:56,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:56,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:56,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:56,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:56,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:56,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:56,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:56,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:56,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:56,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:56,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:56,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:56,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:56,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:56,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:56,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:56,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:56,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:56,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:56,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:56,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:56,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 13:18:56,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:56,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:56,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:56,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:56,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:56,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:56,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:56,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:56,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:56,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:56,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:56,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:56,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:56,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:56,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:56,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:56,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:56,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:56,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:56,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:56,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:56,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:56,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:56,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:56,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:56,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:56,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:56,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:56,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:56,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:56,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:18:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:56,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:56,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:56,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:56,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:56,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:18:56,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:56,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:56,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:56,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:56,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:56,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:56,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:18:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:56,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:56,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:56,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:56,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:56,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:18:56,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:56,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:18:56,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:56,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:56,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:56,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:56,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:56,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:56,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:56,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:56,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:56,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 13:18:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:56,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:56,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:56,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:56,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:58,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:59,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:59,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:18:59,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:18:59,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2572 [2020-09-25 13:18:59,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:59,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:59,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:59,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:59,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 13:18:59,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:59,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:59,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:59,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:59,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:59,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:59,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:18:59,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:18:59,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 579 [2020-09-25 13:18:59,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:59,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:59,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:18:59,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:59,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-25 13:18:59,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:59,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:59,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:59,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:59,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:59,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:18:59,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:18:59,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 13:18:59,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:59,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:59,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 13:18:59,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:59,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:18:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:59,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:59,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:59,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:18:59,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:59,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:59,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:59,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:59,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:59,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:18:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:59,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:59,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:59,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:59,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:59,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:59,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:59,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:59,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:59,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:59,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:59,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:59,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 13:18:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:59,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:59,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:59,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:59,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:59,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:59,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:59,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:59,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:59,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:59,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:59,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:59,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 13:18:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:59,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:00,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:00,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:00,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:00,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:19:00,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:00,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:00,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:19:00,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:00,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:19:00,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:00,111 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 13:19:00,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171998526] [2020-09-25 13:19:00,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:19:00,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 13:19:00,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971579016] [2020-09-25 13:19:00,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 13:19:00,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:19:00,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 13:19:00,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:19:00,117 INFO L87 Difference]: Start difference. First operand 439 states and 488 transitions. Second operand 11 states. [2020-09-25 13:19:00,681 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:19:01,501 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:19:01,851 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:19:03,403 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:19:03,707 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:19:04,097 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:19:04,518 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:19:04,851 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 13:19:05,190 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 13:19:06,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:19:06,704 INFO L93 Difference]: Finished difference Result 911 states and 1098 transitions. [2020-09-25 13:19:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 13:19:06,705 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-09-25 13:19:06,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:19:06,717 INFO L225 Difference]: With dead ends: 911 [2020-09-25 13:19:06,717 INFO L226 Difference]: Without dead ends: 587 [2020-09-25 13:19:06,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-25 13:19:06,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-09-25 13:19:06,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 438. [2020-09-25 13:19:06,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2020-09-25 13:19:06,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 485 transitions. [2020-09-25 13:19:06,799 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 485 transitions. Word has length 211 [2020-09-25 13:19:06,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:19:06,800 INFO L479 AbstractCegarLoop]: Abstraction has 438 states and 485 transitions. [2020-09-25 13:19:06,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 13:19:06,801 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 485 transitions. [2020-09-25 13:19:06,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-25 13:19:06,804 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:19:06,804 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:19:06,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:19:06,805 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:19:06,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:19:06,805 INFO L82 PathProgramCache]: Analyzing trace with hash 449811871, now seen corresponding path program 1 times [2020-09-25 13:19:06,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:19:06,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673810663] [2020-09-25 13:19:06,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:19:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:06,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:07,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:07,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-25 13:19:07,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:07,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 727 [2020-09-25 13:19:07,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:07,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:07,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:19:07,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-25 13:19:07,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:19:07,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:07,910 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:19:07,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:19:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:07,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:19:08,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-09-25 13:19:08,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:19:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:08,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:19:08,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:08,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:08,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:19:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:08,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:19:08,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:19:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:08,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:19:08,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:08,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:19:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:08,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:19:08,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:08,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:08,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:19:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:19:08,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:08,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:19:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:19:08,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:08,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:19:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:19:08,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:19:08,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:08,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:19:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:08,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:19:08,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:08,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 13:19:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 13:19:08,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 13:19:08,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:19:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 13:19:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:19:08,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:19:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 13:19:08,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 13:19:08,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:19:08,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 13:19:08,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:19:08,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:19:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:19:08,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 13:19:08,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:19:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 13:19:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:19:08,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:19:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:19:08,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:19:08,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:19:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:19:08,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:19:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 13:19:08,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:19:08,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 13:19:08,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:19:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 13:19:08,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:08,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:19:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:08,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:19:08,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:08,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 13:19:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:19:08,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:08,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:08,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-25 13:19:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:08,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:08,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:19:08,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:08,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-25 13:19:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:08,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:08,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:08,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:08,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:08,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:08,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:19:08,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:08,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:19:08,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673810663] [2020-09-25 13:19:08,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:19:08,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 13:19:08,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076474092] [2020-09-25 13:19:08,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 13:19:08,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:19:08,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 13:19:08,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:19:08,572 INFO L87 Difference]: Start difference. First operand 438 states and 485 transitions. Second operand 10 states. [2020-09-25 13:19:09,925 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:19:10,229 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:19:10,546 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:19:10,885 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:19:11,180 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:19:12,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:19:12,530 INFO L93 Difference]: Finished difference Result 915 states and 1111 transitions. [2020-09-25 13:19:12,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 13:19:12,531 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 234 [2020-09-25 13:19:12,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:19:12,536 INFO L225 Difference]: With dead ends: 915 [2020-09-25 13:19:12,536 INFO L226 Difference]: Without dead ends: 592 [2020-09-25 13:19:12,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 13:19:12,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-09-25 13:19:12,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 444. [2020-09-25 13:19:12,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-09-25 13:19:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 491 transitions. [2020-09-25 13:19:12,596 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 491 transitions. Word has length 234 [2020-09-25 13:19:12,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:19:12,597 INFO L479 AbstractCegarLoop]: Abstraction has 444 states and 491 transitions. [2020-09-25 13:19:12,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 13:19:12,597 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 491 transitions. [2020-09-25 13:19:12,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-25 13:19:12,601 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:19:12,601 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:19:12,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 13:19:12,602 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:19:12,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:19:12,602 INFO L82 PathProgramCache]: Analyzing trace with hash -217934529, now seen corresponding path program 1 times [2020-09-25 13:19:12,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:19:12,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791744259] [2020-09-25 13:19:12,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:19:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:12,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:13,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:13,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-25 13:19:13,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:13,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 829 [2020-09-25 13:19:13,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:13,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:19:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-09-25 13:19:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:19:13,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:13,761 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:19:13,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:19:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:13,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:13,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:13,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:19:13,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:13,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 13:19:13,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:13,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:13,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:13,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:19:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:13,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:13,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:13,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:13,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:13,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:13,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:13,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:13,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:13,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:13,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:13,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:19:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:13,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:13,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:13,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:13,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:13,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:13,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:13,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:13,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:13,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:19:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:13,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:13,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:13,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:13,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:13,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:19:13,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:13,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:13,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:13,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:13,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:13,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:13,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:19:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:13,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:13,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:13,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:19:13,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:13,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:19:13,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:13,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:13,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:13,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:13,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:13,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:13,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:19:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:13,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:13,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:13,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:19:13,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:13,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:13,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:13,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:13,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:13,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:13,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:13,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:13,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:19:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:13,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:13,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:13,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:19:13,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:13,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:13,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:13,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:13,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:13,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:13,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:13,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:13,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:19:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:13,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:13,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:13,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:19:13,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:13,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:13,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:13,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:13,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:13,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:19:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:13,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:13,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:13,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:13,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:13,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:19:13,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:13,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:13,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:13,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 13:19:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:13,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:14,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:14,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 13:19:14,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:14,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 13:19:14,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:14,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:14,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:19:14,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 13:19:14,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:19:14,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:14,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:19:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:14,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:14,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:14,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 13:19:14,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:14,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-25 13:19:14,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:14,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:19:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 13:19:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:19:14,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:14,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:19:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:14,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:14,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:14,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:19:14,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:14,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 13:19:14,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:14,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:14,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:19:14,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 13:19:14,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:14,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:19:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:14,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:14,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:14,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:19:14,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:14,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:19:14,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:14,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:14,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:14,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:14,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:14,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:19:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:14,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:14,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:14,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 13:19:14,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:14,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 13:19:14,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:14,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 13:19:14,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:14,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:14,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:19:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:14,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:14,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 13:19:14,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:14,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:14,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:14,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:14,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:14,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:19:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:14,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:14,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:14,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:14,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:14,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:14,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:14,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:14,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:14,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:14,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:19:14,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 13:19:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:14,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:14,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:14,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:19:14,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:14,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:19:14,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:14,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:14,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:14,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:19:14,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:14,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:14,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-25 13:19:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:14,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:14,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:14,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:14,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:14,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:14,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:14,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:19:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:14,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:19:14,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-25 13:19:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:19:14,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:19:14,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:19:14,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:19:14,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:19:14,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:19:14,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:19:14,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:19:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:19:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:19:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:19:14,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:19:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:19:14,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791744259] [2020-09-25 13:19:14,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:19:14,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 13:19:14,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522880052] [2020-09-25 13:19:14,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 13:19:14,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:19:14,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 13:19:14,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:19:14,499 INFO L87 Difference]: Start difference. First operand 444 states and 491 transitions. Second operand 11 states. [2020-09-25 13:19:15,978 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:19:16,280 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 194