/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_spec3_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:12:12,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:12:12,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:12:12,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:12:12,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:12:12,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:12:12,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:12:12,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:12:12,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:12:12,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:12:12,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:12:12,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:12:12,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:12:12,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:12:12,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:12:12,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:12:12,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:12:12,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:12:12,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:12:12,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:12:12,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:12:12,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:12:12,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:12:12,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:12:12,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:12:12,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:12:12,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:12:12,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:12:12,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:12:12,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:12:12,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:12:12,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:12:12,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:12:12,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:12:12,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:12:12,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:12:12,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:12:12,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:12:12,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:12:12,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:12:12,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:12:12,513 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 13:12:12,550 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:12:12,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:12:12,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:12:12,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:12:12,555 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:12:12,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:12:12,555 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:12:12,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:12:12,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:12:12,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:12:12,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:12:12,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:12:12,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:12:12,558 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:12:12,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:12:12,558 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:12:12,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:12:12,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:12:12,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:12:12,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:12:12,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:12:12,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:12:12,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:12:12,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:12:12,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:12:12,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:12:12,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:12:12,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:12:12,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:12:12,563 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 13:12:13,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:12:13,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:12:13,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:12:13,113 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:12:13,115 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:12:13,116 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-09-25 13:12:13,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fa07af82b/4f2d01efd6ed4e7db66d7b92d1abe5fc/FLAGde2e62b9c [2020-09-25 13:12:13,812 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:12:13,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-09-25 13:12:13,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fa07af82b/4f2d01efd6ed4e7db66d7b92d1abe5fc/FLAGde2e62b9c [2020-09-25 13:12:14,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fa07af82b/4f2d01efd6ed4e7db66d7b92d1abe5fc [2020-09-25 13:12:14,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:12:14,094 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:12:14,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:12:14,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:12:14,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:12:14,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:12:14" (1/1) ... [2020-09-25 13:12:14,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:14, skipping insertion in model container [2020-09-25 13:12:14,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:12:14" (1/1) ... [2020-09-25 13:12:14,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:12:14,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:12:14,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:12:14,760 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:12:14,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:12:14,902 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:12:14,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:14 WrapperNode [2020-09-25 13:12:14,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:12:14,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:12:14,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:12:14,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:12:14,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:14" (1/1) ... [2020-09-25 13:12:14,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:14" (1/1) ... [2020-09-25 13:12:14,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:14" (1/1) ... [2020-09-25 13:12:14,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:14" (1/1) ... [2020-09-25 13:12:14,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:14" (1/1) ... [2020-09-25 13:12:14,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:14" (1/1) ... [2020-09-25 13:12:14,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:14" (1/1) ... [2020-09-25 13:12:15,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:12:15,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:12:15,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:12:15,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:12:15,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:14" (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 13:12:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:12:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:12:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:12:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:12:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:12:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:12:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:12:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:12:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:12:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:12:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:12:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:12:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 13:12:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:12:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:12:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:12:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:12:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:12:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:12:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:12:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 13:12:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:12:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:12:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:12:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:12:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:12:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:12:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:12:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 13:12:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-25 13:12:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:12:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:12:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:12:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:12:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:12:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:12:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:12:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:12:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:12:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:12:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:12:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:12:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:12:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:12:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:12:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:12:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:12:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:12:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:12:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:12:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:12:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:12:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:12:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:12:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:12:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:12:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:12:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:12:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 13:12:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:12:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:12:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:12:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:12:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-25 13:12:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:12:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:12:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:12:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:12:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 13:12:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 13:12:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:12:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:12:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:12:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:12:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:12:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:12:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:12:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:12:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:12:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:12:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:12:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:12:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:12:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:12:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:12:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:12:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:12:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:12:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:12:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:12:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:12:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:12:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:12:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:12:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:12:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:12:16,335 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:12:16,335 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:12:16,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:12:16 BoogieIcfgContainer [2020-09-25 13:12:16,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:12:16,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:12:16,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:12:16,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:12:16,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:12:14" (1/3) ... [2020-09-25 13:12:16,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acac843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:12:16, skipping insertion in model container [2020-09-25 13:12:16,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:12:14" (2/3) ... [2020-09-25 13:12:16,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acac843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:12:16, skipping insertion in model container [2020-09-25 13:12:16,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:12:16" (3/3) ... [2020-09-25 13:12:16,363 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2020-09-25 13:12:16,375 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:12:16,390 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:12:16,414 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:12:16,457 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:12:16,457 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:12:16,457 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:12:16,458 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:12:16,458 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:12:16,458 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:12:16,459 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:12:16,459 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:12:16,502 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states. [2020-09-25 13:12:16,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-25 13:12:16,539 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:12:16,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:12:16,544 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:12:16,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:12:16,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1143611039, now seen corresponding path program 1 times [2020-09-25 13:12:16,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:12:16,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803615674] [2020-09-25 13:12:16,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:12:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:17,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:17,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:17,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:21,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:21,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 13:12:21,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:12:21,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4097 [2020-09-25 13:12:21,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:21,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:21,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:21,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 13:12:21,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-25 13:12:21,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 13:12:21,566 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:12:21,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:12:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:21,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:21,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:21,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:12:21,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:21,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-09-25 13:12:21,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:21,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:21,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:21,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:21,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 13:12:21,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:22,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:12:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:22,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:22,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:22,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:22,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:22,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:12:22,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:22,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:22,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:22,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:22,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:22,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:22,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:12:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:22,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:22,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:22,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:22,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:22,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:12:22,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:22,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:22,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:22,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:22,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:22,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:22,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:12:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:22,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:22,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:22,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:22,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:22,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:12:22,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:22,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:22,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:22,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:22,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:12:22,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:22,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:12:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:22,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:22,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:22,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:22,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:22,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:12:22,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:22,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:22,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:22,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 13:12:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:22,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:22,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:22,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:22,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:22,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:22,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:22,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:12:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:22,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:22,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 13:12:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:22,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:22,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:22,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:22,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:22,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:22,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:22,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:22,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:22,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:12:22,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:22,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:22,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 13:12:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:22,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:22,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:22,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:22,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:22,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:22,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:22,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:12:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:22,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:12:22,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803615674] [2020-09-25 13:12:22,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:12:22,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 13:12:22,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890255919] [2020-09-25 13:12:22,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 13:12:22,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:12:22,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 13:12:22,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 13:12:22,259 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 4 states. [2020-09-25 13:12:22,934 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:12:24,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:12:24,264 INFO L93 Difference]: Finished difference Result 553 states and 657 transitions. [2020-09-25 13:12:24,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 13:12:24,266 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2020-09-25 13:12:24,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:12:24,306 INFO L225 Difference]: With dead ends: 553 [2020-09-25 13:12:24,306 INFO L226 Difference]: Without dead ends: 335 [2020-09-25 13:12:24,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:12:24,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-09-25 13:12:24,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 292. [2020-09-25 13:12:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-09-25 13:12:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 319 transitions. [2020-09-25 13:12:24,429 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 319 transitions. Word has length 153 [2020-09-25 13:12:24,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:12:24,430 INFO L479 AbstractCegarLoop]: Abstraction has 292 states and 319 transitions. [2020-09-25 13:12:24,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 13:12:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 319 transitions. [2020-09-25 13:12:24,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-25 13:12:24,436 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:12:24,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:12:24,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:12:24,437 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:12:24,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:12:24,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1399635308, now seen corresponding path program 1 times [2020-09-25 13:12:24,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:12:24,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040495089] [2020-09-25 13:12:24,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:12:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:24,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:24,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:24,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:25,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:28,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:29,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:29,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:29,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-25 13:12:29,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 13:12:29,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 13:12:29,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:29,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:29,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 13:12:29,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 13:12:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-25 13:12:29,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:12:29,888 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:12:29,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:12:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:29,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:30,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:12:30,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:30,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-09-25 13:12:30,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:30,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:30,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:30,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:30,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 13:12:30,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:30,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:12:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:30,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:30,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:30,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:30,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:12:30,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:30,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:30,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:30,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:12:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:30,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:30,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:30,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:30,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:12:30,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:30,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:30,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:30,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:30,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:12:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:30,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:30,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:30,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:30,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:12:30,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:30,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:30,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:30,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:30,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:12:30,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:30,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:12:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:30,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:30,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:30,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:30,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:30,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:30,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:30,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:30,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 13:12:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:30,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:30,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 13:12:30,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:12:30,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 13:12:30,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:30,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:30,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:30,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:30,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 13:12:30,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:30,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:12:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:30,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:30,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:12:30,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:12:30,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 13:12:30,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:30,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:30,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:12:30,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 13:12:30,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:12:30,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:30,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:12:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:30,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:30,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:12:30,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:30,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 13:12:30,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:30,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:12:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:12:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:12:30,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:30,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:12:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:30,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:30,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:30,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:30,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:12:30,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:30,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:30,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:30,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:30,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:30,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:12:30,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 13:12:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:30,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:30,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:30,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:30,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:30,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:30,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:30,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:30,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:30,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:12:30,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:30,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 13:12:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:30,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:30,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:30,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:30,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:12:30,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:30,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:30,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:12:30,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:30,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:12:30,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:30,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 13:12:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:30,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:30,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:30,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:30,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:30,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:30,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:30,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:30,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:30,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:12:30,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:30,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:30,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:12:30,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040495089] [2020-09-25 13:12:30,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:12:30,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 13:12:30,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503341456] [2020-09-25 13:12:30,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 13:12:30,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:12:30,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 13:12:30,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:12:30,582 INFO L87 Difference]: Start difference. First operand 292 states and 319 transitions. Second operand 11 states. [2020-09-25 13:12:31,170 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:12:32,128 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:12:33,301 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:12:34,110 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:12:34,422 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:12:34,794 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:12:35,130 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:12:35,471 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:12:35,792 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:12:36,158 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:12:36,479 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:12:36,835 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:12:37,146 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:12:37,497 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:12:38,018 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:12:38,311 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:12:38,685 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:12:38,984 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:12:39,286 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:12:41,346 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:12:41,688 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:12:42,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:12:42,816 INFO L93 Difference]: Finished difference Result 932 states and 1148 transitions. [2020-09-25 13:12:42,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-09-25 13:12:42,817 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 181 [2020-09-25 13:12:42,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:12:42,831 INFO L225 Difference]: With dead ends: 932 [2020-09-25 13:12:42,831 INFO L226 Difference]: Without dead ends: 750 [2020-09-25 13:12:42,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=279, Invalid=1127, Unknown=0, NotChecked=0, Total=1406 [2020-09-25 13:12:42,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2020-09-25 13:12:42,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 644. [2020-09-25 13:12:42,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-09-25 13:12:42,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 735 transitions. [2020-09-25 13:12:42,966 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 735 transitions. Word has length 181 [2020-09-25 13:12:42,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:12:42,967 INFO L479 AbstractCegarLoop]: Abstraction has 644 states and 735 transitions. [2020-09-25 13:12:42,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 13:12:42,967 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 735 transitions. [2020-09-25 13:12:42,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-25 13:12:42,972 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:12:42,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:12:42,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:12:42,973 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:12:42,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:12:42,974 INFO L82 PathProgramCache]: Analyzing trace with hash 904825679, now seen corresponding path program 1 times [2020-09-25 13:12:42,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:12:42,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147303321] [2020-09-25 13:12:42,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:12:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:43,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:43,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:48,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:48,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-09-25 13:12:48,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:12:48,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 13:12:48,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:48,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:48,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 13:12:48,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 13:12:48,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-25 13:12:48,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:48,364 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:12:48,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:12:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:48,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:48,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:48,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:12:48,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:48,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-09-25 13:12:48,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:48,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 13:12:48,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:48,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:12:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:48,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:48,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:48,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:48,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:48,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:48,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:48,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:48,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:48,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:12:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:48,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:48,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:48,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:48,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:48,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:48,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:48,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:48,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:48,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:48,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:48,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:48,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:12:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:48,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:48,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:48,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:48,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:48,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:12:48,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:48,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:48,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:48,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:48,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:12:48,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:12:48,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:12:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:48,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:48,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:48,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:48,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:48,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:48,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:48,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:48,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:48,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:48,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:48,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:48,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 13:12:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:48,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:48,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:48,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:12:48,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:48,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:12:48,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:48,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:12:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:12:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:12:48,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:12:48,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 13:12:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:48,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:48,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:48,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 13:12:48,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:48,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 13:12:48,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:48,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:48,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-25 13:12:48,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-25 13:12:48,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:48,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:12:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:48,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:48,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:48,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:12:48,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:48,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 13:12:48,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:48,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 13:12:48,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:48,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:12:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:48,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:48,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:48,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:12:48,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:48,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 13:12:48,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:48,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:48,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:48,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:48,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:12:48,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:48,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:12:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:48,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:48,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:48,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:12:48,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:48,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 13:12:48,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:48,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:12:48,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:49,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:12:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:49,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:49,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:49,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:12:49,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:12:49,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:49,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:49,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:49,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:49,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 13:12:49,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:49,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:12:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:49,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:49,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:49,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:49,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:49,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:12:49,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:49,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:49,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:12:49,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:49,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:12:49,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:12:49,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 13:12:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:49,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:49,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:49,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:49,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:49,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:49,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:49,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:49,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:49,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:12:49,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:49,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:49,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 13:12:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:49,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:49,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:49,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:49,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:49,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:12:49,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:49,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:49,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:49,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:12:49,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:49,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:49,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 13:12:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:49,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:49,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:49,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:49,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:49,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:49,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:49,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:49,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:49,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:12:49,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:49,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:12:49,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147303321] [2020-09-25 13:12:49,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:12:49,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 13:12:49,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53781117] [2020-09-25 13:12:49,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 13:12:49,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:12:49,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 13:12:49,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:12:49,161 INFO L87 Difference]: Start difference. First operand 644 states and 735 transitions. Second operand 10 states. [2020-09-25 13:12:49,930 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:12:50,869 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:12:52,412 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:12:53,045 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:12:58,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:12:58,192 INFO L93 Difference]: Finished difference Result 2082 states and 2678 transitions. [2020-09-25 13:12:58,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 13:12:58,192 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 210 [2020-09-25 13:12:58,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:12:58,206 INFO L225 Difference]: With dead ends: 2082 [2020-09-25 13:12:58,206 INFO L226 Difference]: Without dead ends: 1736 [2020-09-25 13:12:58,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=191, Invalid=621, Unknown=0, NotChecked=0, Total=812 [2020-09-25 13:12:58,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2020-09-25 13:12:58,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1550. [2020-09-25 13:12:58,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1550 states. [2020-09-25 13:12:58,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 1879 transitions. [2020-09-25 13:12:58,461 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 1879 transitions. Word has length 210 [2020-09-25 13:12:58,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:12:58,462 INFO L479 AbstractCegarLoop]: Abstraction has 1550 states and 1879 transitions. [2020-09-25 13:12:58,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 13:12:58,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1879 transitions. [2020-09-25 13:12:58,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-25 13:12:58,467 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:12:58,467 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:12:58,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:12:58,468 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:12:58,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:12:58,468 INFO L82 PathProgramCache]: Analyzing trace with hash -54966158, now seen corresponding path program 1 times [2020-09-25 13:12:58,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:12:58,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591586399] [2020-09-25 13:12:58,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:12:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:58,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:59,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:59,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-09-25 13:12:59,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:59,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 846 [2020-09-25 13:12:59,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:59,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:59,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:12:59,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-25 13:12:59,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:12:59,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:12:59,715 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:12:59,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:12:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:59,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:59,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:59,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:12:59,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:59,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 13:12:59,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:59,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:59,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:59,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:59,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:59,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:12:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:59,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:59,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:59,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:59,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:59,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:12:59,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:59,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:59,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:59,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:59,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:59,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:12:59,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:12:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:59,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:59,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:59,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:59,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:59,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:12:59,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:59,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:59,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:59,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:12:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:59,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:59,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:59,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:12:59,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:59,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:12:59,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:59,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:59,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:59,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:59,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:59,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:12:59,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:12:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:59,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:59,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:59,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:12:59,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:59,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:12:59,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:59,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:59,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:59,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:59,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:59,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 13:12:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:59,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:59,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:59,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:12:59,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:59,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:12:59,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:59,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:59,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:12:59,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:12:59,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:12:59,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:12:59,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 13:12:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:59,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:12:59,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:12:59,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 13:12:59,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:12:59,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 13:12:59,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:12:59,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:12:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:12:59,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 13:12:59,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:12:59,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:12:59,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:12:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:12:59,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:00,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:00,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 13:13:00,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:00,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 13:13:00,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:00,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:00,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:13:00,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 13:13:00,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:13:00,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:00,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:13:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:00,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:00,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:00,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:13:00,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:00,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 13:13:00,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:00,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:00,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:13:00,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 13:13:00,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:13:00,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:00,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:13:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:00,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:00,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:00,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:13:00,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:00,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 13:13:00,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:00,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:00,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:13:00,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 13:13:00,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:13:00,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:00,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:13:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:00,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:00,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:00,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:13:00,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:00,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 13:13:00,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:00,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:13:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:13:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:13:00,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:00,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:13:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:00,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:00,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:00,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:13:00,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:00,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:13:00,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:00,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:00,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:13:00,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 13:13:00,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:13:00,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:13:00,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 13:13:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:00,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:00,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:00,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:13:00,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:00,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:13:00,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:00,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:13:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:13:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:13:00,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:13:00,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 13:13:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:00,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:00,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:00,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:13:00,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:00,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:13:00,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:00,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:00,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:13:00,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:13:00,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:13:00,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:13:00,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 13:13:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:13:00,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:13:00,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:13:00,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:13:00,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:13:00,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:13:00,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:13:00,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:13:00,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:13:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:13:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:13:00,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:13:00,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:13:00,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591586399] [2020-09-25 13:13:00,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:13:00,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 13:13:00,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926109198] [2020-09-25 13:13:00,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 13:13:00,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:13:00,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 13:13:00,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 13:13:00,353 INFO L87 Difference]: Start difference. First operand 1550 states and 1879 transitions. Second operand 9 states. [2020-09-25 13:13:01,575 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:13:01,969 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:13:02,299 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:13:02,628 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:13:02,964 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191