/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=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:02:26,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:02:26,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:02:26,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:02:26,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:02:26,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:02:26,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:02:26,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:02:26,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:02:26,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:02:26,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:02:26,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:02:26,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:02:26,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:02:26,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:02:26,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:02:26,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:02:26,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:02:26,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:02:26,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:02:26,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:02:26,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:02:26,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:02:26,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:02:26,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:02:26,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:02:26,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:02:26,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:02:26,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:02:26,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:02:26,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:02:26,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:02:26,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:02:26,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:02:26,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:02:26,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:02:26,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:02:26,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:02:26,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:02:26,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:02:26,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:02:26,899 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 11:02:26,926 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:02:26,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:02:26,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:02:26,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:02:26,928 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:02:26,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:02:26,929 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:02:26,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:02:26,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:02:26,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:02:26,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:02:26,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:02:26,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:02:26,930 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:02:26,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:02:26,931 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:02:26,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:02:26,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:02:26,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:02:26,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:02:26,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:02:26,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:02:26,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:02:26,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:02:26,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:02:26,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:02:26,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:02:26,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:02:26,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:02:26,934 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 11:02:27,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:02:27,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:02:27,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:02:27,482 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:02:27,484 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:02:27,485 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-25 11:02:27,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d2709dad/fccfe23f78ed4f43b6360f1a76f8832c/FLAG4ea1d6892 [2020-09-25 11:02:28,206 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:02:28,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-25 11:02:28,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d2709dad/fccfe23f78ed4f43b6360f1a76f8832c/FLAG4ea1d6892 [2020-09-25 11:02:28,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d2709dad/fccfe23f78ed4f43b6360f1a76f8832c [2020-09-25 11:02:28,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:02:28,522 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:02:28,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:02:28,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:02:28,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:02:28,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:02:28" (1/1) ... [2020-09-25 11:02:28,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7bb58a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:28, skipping insertion in model container [2020-09-25 11:02:28,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:02:28" (1/1) ... [2020-09-25 11:02:28,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:02:28,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:02:29,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:02:29,194 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:02:29,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:02:29,335 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:02:29,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:29 WrapperNode [2020-09-25 11:02:29,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:02:29,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:02:29,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:02:29,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:02:29,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:29" (1/1) ... [2020-09-25 11:02:29,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:29" (1/1) ... [2020-09-25 11:02:29,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:29" (1/1) ... [2020-09-25 11:02:29,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:29" (1/1) ... [2020-09-25 11:02:29,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:29" (1/1) ... [2020-09-25 11:02:29,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:29" (1/1) ... [2020-09-25 11:02:29,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:29" (1/1) ... [2020-09-25 11:02:29,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:02:29,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:02:29,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:02:29,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:02:29,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:29" (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 11:02:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:02:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:02:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:02:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:02:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:02:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:02:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:02:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:02:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:02:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:02:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:02:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:02:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:02:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:02:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:02:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:02:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:02:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:02:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:02:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:02:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:02:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:02:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:02:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:02:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 11:02:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:02:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:02:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 11:02:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:02:29,568 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:02:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:02:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:02:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:02:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:02:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 11:02:29,569 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 11:02:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:02:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:02:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:02:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:02:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:02:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:02:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:02:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:02:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:02:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:02:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:02:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:02:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:02:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:02:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:02:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:02:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:02:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:02:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:02:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:02:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:02:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:02:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:02:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:02:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:02:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:02:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:02:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:02:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:02:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:02:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:02:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:02:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:02:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:02:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:02:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:02:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:02:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:02:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:02:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:02:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:02:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:02:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:02:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:02:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:02:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:02:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:02:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 11:02:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:02:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:02:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 11:02:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:02:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:02:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 11:02:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 11:02:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:02:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:02:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:02:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:02:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:02:30,772 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:02:30,772 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:02:30,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:02:30 BoogieIcfgContainer [2020-09-25 11:02:30,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:02:30,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:02:30,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:02:30,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:02:30,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:02:28" (1/3) ... [2020-09-25 11:02:30,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f68f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:02:30, skipping insertion in model container [2020-09-25 11:02:30,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:29" (2/3) ... [2020-09-25 11:02:30,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f68f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:02:30, skipping insertion in model container [2020-09-25 11:02:30,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:02:30" (3/3) ... [2020-09-25 11:02:30,796 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-09-25 11:02:30,809 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:02:30,824 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:02:30,849 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:02:30,894 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:02:30,895 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:02:30,895 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:02:30,895 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:02:30,895 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:02:30,896 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:02:30,896 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:02:30,897 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:02:30,938 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2020-09-25 11:02:30,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 11:02:30,972 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:30,975 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:02:30,976 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:30,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:30,987 INFO L82 PathProgramCache]: Analyzing trace with hash -548539878, now seen corresponding path program 1 times [2020-09-25 11:02:31,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:31,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [448669820] [2020-09-25 11:02:31,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:31,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:31,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:33,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:33,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:36,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:36,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:36,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 11:02:36,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:02:36,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 11:02:36,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:36,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:02:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 11:02:36,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 11:02:36,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:02:36,907 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:36,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:36,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:37,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:37,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:37,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:37,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 394 [2020-09-25 11:02:37,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:37,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:37,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:37,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:37,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 11:02:37,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:37,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:37,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:37,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:37,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:37,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:37,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:02:37,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:37,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:37,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:37,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:37,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:37,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:37,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:37,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:37,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:37,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:02:37,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:37,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:37,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:37,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:37,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:37,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:37,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:37,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:37,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:37,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:37,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:37,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:02:37,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:37,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:37,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:37,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:37,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:37,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:37,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:37,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:37,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:37,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:37,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:37,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:02:37,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:37,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:37,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:37,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:37,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:37,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:37,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:37,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:37,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:37,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:37,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:37,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:37,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:37,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:37,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:37,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:02:37,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:37,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:02:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:37,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:37,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:37,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:37,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:37,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:02:37,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:37,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:37,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:37,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:37,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:02:37,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:37,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:37,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:37,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:37,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:37,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:37,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:37,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:37,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:37,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:37,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:37,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:37,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:37,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 11:02:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:37,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:37,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:37,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:37,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:37,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:37,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:37,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:37,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:37,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:37,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 11:02:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:37,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:37,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:37,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:37,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:37,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:02:37,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:37,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:37,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:37,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:37,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:37,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:37,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 11:02:37,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [448669820] [2020-09-25 11:02:37,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:37,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:02:37,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953684002] [2020-09-25 11:02:37,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:02:37,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:37,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:02:37,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:02:37,808 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 9 states. [2020-09-25 11:02:38,630 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:39,385 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:39,679 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:02:40,913 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:41,212 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:41,510 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:42,006 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:42,333 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:02:42,651 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:43,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:43,527 INFO L93 Difference]: Finished difference Result 616 states and 742 transitions. [2020-09-25 11:02:43,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:02:43,529 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 11:02:43,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:43,552 INFO L225 Difference]: With dead ends: 616 [2020-09-25 11:02:43,552 INFO L226 Difference]: Without dead ends: 417 [2020-09-25 11:02:43,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 11:02:43,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-09-25 11:02:43,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 369. [2020-09-25 11:02:43,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2020-09-25 11:02:43,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 412 transitions. [2020-09-25 11:02:43,702 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 412 transitions. Word has length 160 [2020-09-25 11:02:43,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:43,703 INFO L479 AbstractCegarLoop]: Abstraction has 369 states and 412 transitions. [2020-09-25 11:02:43,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:02:43,704 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 412 transitions. [2020-09-25 11:02:43,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 11:02:43,712 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:43,713 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:02:43,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:02:43,713 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:43,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:43,717 INFO L82 PathProgramCache]: Analyzing trace with hash -173606010, now seen corresponding path program 1 times [2020-09-25 11:02:43,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:43,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710199068] [2020-09-25 11:02:43,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:44,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:44,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:46,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:48,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:48,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-09-25 11:02:48,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:02:48,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 11:02:48,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:48,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:48,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:02:48,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 11:02:48,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-25 11:02:48,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,180 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:49,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:49,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-09-25 11:02:49,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 11:02:49,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:49,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:49,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:49,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:49,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:49,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:49,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:49,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:49,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:02:49,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:49,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:49,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:49,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:49,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:49,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:49,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:49,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:49,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:02:49,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:02:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 11:02:49,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 11:02:49,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:49,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 11:02:49,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 11:02:49,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:49,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:49,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:49,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:49,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:02:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 11:02:49,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:02:49,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 11:02:49,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:49,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:49,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 11:02:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:49,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:49,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:02:49,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:49,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:49,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:49,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:49,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 11:02:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:02:49,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:02:49,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 11:02:49,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:02:49,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 11:02:49,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:02:49,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:02:49,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 11:02:49,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:02:49,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 11:02:49,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:02:49,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:49,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:49,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:49,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:02:49,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:49,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 11:02:49,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:49,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:49,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:49,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:49,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 11:02:49,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:50,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:02:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:50,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:50,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:50,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:02:50,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:50,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:02:50,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:50,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:50,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:50,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:50,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:50,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:50,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:02:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:50,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:50,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:50,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:50,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:50,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:50,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:50,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:02:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:50,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:50,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 11:02:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:50,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:50,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:50,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:50,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:50,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:50,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:50,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:50,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:50,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 11:02:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:50,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:50,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:50,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:50,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:50,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:50,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:50,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:50,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:50,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:50,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 11:02:50,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710199068] [2020-09-25 11:02:50,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:50,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 11:02:50,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564031826] [2020-09-25 11:02:50,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 11:02:50,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:50,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 11:02:50,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-25 11:02:50,134 INFO L87 Difference]: Start difference. First operand 369 states and 412 transitions. Second operand 13 states. [2020-09-25 11:02:50,646 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:52,017 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:52,326 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:02:52,646 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 11:02:53,001 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:53,344 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:02:53,670 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:54,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:54,992 INFO L93 Difference]: Finished difference Result 726 states and 887 transitions. [2020-09-25 11:02:54,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 11:02:54,994 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 235 [2020-09-25 11:02:54,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:55,001 INFO L225 Difference]: With dead ends: 726 [2020-09-25 11:02:55,001 INFO L226 Difference]: Without dead ends: 472 [2020-09-25 11:02:55,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2020-09-25 11:02:55,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2020-09-25 11:02:55,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 383. [2020-09-25 11:02:55,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-09-25 11:02:55,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 430 transitions. [2020-09-25 11:02:55,068 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 430 transitions. Word has length 235 [2020-09-25 11:02:55,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:55,069 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 430 transitions. [2020-09-25 11:02:55,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 11:02:55,069 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 430 transitions. [2020-09-25 11:02:55,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 11:02:55,071 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:55,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:02:55,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:02:55,072 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:55,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:55,073 INFO L82 PathProgramCache]: Analyzing trace with hash -295619247, now seen corresponding path program 1 times [2020-09-25 11:02:55,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:55,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490287625] [2020-09-25 11:02:55,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:55,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:55,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:56,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:56,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 11:02:56,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:02:56,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1775 [2020-09-25 11:02:56,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:56,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-09-25 11:02:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:56,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:57,237 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:57,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:57,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 11:02:57,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:57,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:57,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:57,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:57,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:57,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:57,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:57,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:57,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:57,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:57,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:57,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:02:57,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:57,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:57,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:57,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:57,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:57,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:57,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:57,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:57,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:57,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:57,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:57,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:02:57,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:57,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:57,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:57,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:57,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:57,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:57,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:57,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:57,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:57,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:02:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:57,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:57,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:57,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:02:57,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:57,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:57,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:57,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:57,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:57,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:02:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:02:57,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 11:02:57,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 11:02:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:57,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:57,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:02:57,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 11:02:57,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:57,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:02:57,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:57,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:57,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:02:57,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 11:02:57,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:57,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 11:02:57,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:57,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:57,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:02:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:02:57,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:02:57,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:02:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:57,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:57,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:57,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:02:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:57,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:57,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:57,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:02:57,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:57,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:57,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 11:02:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:57,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:57,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:57,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:57,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:57,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:57,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 11:02:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:57,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:57,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:57,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:57,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:57,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:57,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:57,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:57,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:57,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:57,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:57,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:57,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 11:02:57,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490287625] [2020-09-25 11:02:57,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:57,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:02:57,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046616301] [2020-09-25 11:02:57,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:02:57,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:57,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:02:57,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:02:57,853 INFO L87 Difference]: Start difference. First operand 383 states and 430 transitions. Second operand 9 states. [2020-09-25 11:02:59,195 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:59,528 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:59,856 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:00,189 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:00,486 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:01,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:03:01,480 INFO L93 Difference]: Finished difference Result 736 states and 897 transitions. [2020-09-25 11:03:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 11:03:01,482 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 199 [2020-09-25 11:03:01,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:03:01,486 INFO L225 Difference]: With dead ends: 736 [2020-09-25 11:03:01,486 INFO L226 Difference]: Without dead ends: 468 [2020-09-25 11:03:01,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 11:03:01,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2020-09-25 11:03:01,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 389. [2020-09-25 11:03:01,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-09-25 11:03:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 436 transitions. [2020-09-25 11:03:01,566 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 436 transitions. Word has length 199 [2020-09-25 11:03:01,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:03:01,567 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 436 transitions. [2020-09-25 11:03:01,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:03:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 436 transitions. [2020-09-25 11:03:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 11:03:01,570 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:03:01,570 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:03:01,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:03:01,571 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:03:01,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:03:01,571 INFO L82 PathProgramCache]: Analyzing trace with hash 394874894, now seen corresponding path program 1 times [2020-09-25 11:03:01,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:03:01,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49737103] [2020-09-25 11:03:01,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:03:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:01,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:01,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 11:03:05,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:03:05,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3502 [2020-09-25 11:03:05,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:03:05,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 11:03:05,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-25 11:03:05,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:05,443 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:05,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:05,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-09-25 11:03:05,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 11:03:05,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:05,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:05,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:05,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:05,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:05,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:05,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:05,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:05,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:05,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:05,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:03:05,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:05,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:05,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:05,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:05,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:05,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:05,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:05,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:05,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:05,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:03:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:05,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:05,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:05,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:03:05,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:05,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:05,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:05,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:03:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:03:05,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 11:03:05,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:05,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 11:03:05,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 11:03:05,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:03:05,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 11:03:05,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:05,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:03:05,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:05,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:03:05,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:03:05,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:03:05,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:03:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:03:05,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:05,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:05,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:03:05,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:03:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:05,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:05,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 11:03:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:05,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:05,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:05,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:05,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:05,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:05,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 11:03:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:05,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:05,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:05,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:05,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:05,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:05,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:05,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:05,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:05,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:05,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:05,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 11:03:06,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49737103] [2020-09-25 11:03:06,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:03:06,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 11:03:06,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291000039] [2020-09-25 11:03:06,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 11:03:06,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:06,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 11:03:06,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:03:06,007 INFO L87 Difference]: Start difference. First operand 389 states and 436 transitions. Second operand 7 states. [2020-09-25 11:03:06,537 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:07,347 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:09,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:03:09,826 INFO L93 Difference]: Finished difference Result 1059 states and 1309 transitions. [2020-09-25 11:03:09,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:03:09,827 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-09-25 11:03:09,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:03:09,833 INFO L225 Difference]: With dead ends: 1059 [2020-09-25 11:03:09,834 INFO L226 Difference]: Without dead ends: 774 [2020-09-25 11:03:09,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-25 11:03:09,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-09-25 11:03:09,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 684. [2020-09-25 11:03:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-09-25 11:03:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 794 transitions. [2020-09-25 11:03:09,923 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 794 transitions. Word has length 199 [2020-09-25 11:03:09,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:03:09,924 INFO L479 AbstractCegarLoop]: Abstraction has 684 states and 794 transitions. [2020-09-25 11:03:09,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 11:03:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 794 transitions. [2020-09-25 11:03:09,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 11:03:09,927 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:03:09,927 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:03:09,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:03:09,928 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:03:09,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:03:09,928 INFO L82 PathProgramCache]: Analyzing trace with hash -61438169, now seen corresponding path program 1 times [2020-09-25 11:03:09,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:03:09,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1231068241] [2020-09-25 11:03:09,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:03:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:10,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:10,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:14,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:14,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 11:03:14,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:03:14,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4863 [2020-09-25 11:03:14,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:14,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:14,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 11:03:14,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 11:03:14,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-09-25 11:03:14,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:15,249 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:15,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:15,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-09-25 11:03:15,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 11:03:15,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:15,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:15,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:15,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:15,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:15,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:15,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:15,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:15,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:15,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:15,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:03:15,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:15,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:15,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:15,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:15,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:15,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:15,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:15,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:15,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:15,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:15,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:15,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:15,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:03:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:03:15,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:03:15,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:03:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:03:15,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:15,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 11:03:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:15,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:03:15,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:15,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:15,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 11:03:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:15,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:03:15,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:15,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:03:15,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:03:15,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:15,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:15,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:15,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:15,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:15,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 11:03:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:03:15,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 11:03:15,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:15,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 11:03:15,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:15,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:03:15,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:03:15,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:15,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:15,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:15,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:03:15,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:03:15,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:15,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:15,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:03:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:03:15,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:15,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:15,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:15,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:15,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:03:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:15,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:15,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:15,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:15,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:15,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 11:03:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:15,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:03:15,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:15,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:15,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:15,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:15,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 11:03:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:15,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:15,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:15,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:15,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:15,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:15,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:15,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:15,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:15,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:15,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:15,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:16,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 11:03:16,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1231068241] [2020-09-25 11:03:16,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:03:16,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 11:03:16,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909808105] [2020-09-25 11:03:16,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 11:03:16,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:16,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 11:03:16,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-25 11:03:16,007 INFO L87 Difference]: Start difference. First operand 684 states and 794 transitions. Second operand 14 states.