/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=WIDESTAMONGSMALL --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_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:14:34,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:14:34,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:14:34,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:14:34,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:14:34,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:14:34,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:14:34,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:14:34,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:14:34,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:14:34,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:14:34,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:14:34,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:14:34,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:14:34,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:14:34,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:14:34,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:14:34,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:14:34,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:14:34,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:14:34,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:14:34,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:14:34,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:14:34,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:14:34,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:14:34,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:14:34,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:14:34,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:14:34,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:14:34,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:14:34,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:14:34,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:14:34,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:14:34,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:14:34,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:14:34,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:14:34,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:14:34,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:14:34,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:14:34,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:14:34,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:14:34,873 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 04:14:34,899 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:14:34,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:14:34,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:14:34,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:14:34,901 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:14:34,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:14:34,902 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:14:34,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:14:34,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:14:34,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:14:34,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:14:34,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:14:34,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:14:34,903 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:14:34,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:14:34,904 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:14:34,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:14:34,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:14:34,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:14:34,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:14:34,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:14:34,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:14:34,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:14:34,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:14:34,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:14:34,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:14:34,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:14:34,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:14:34,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:14:34,907 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=WIDESTAMONGSMALL;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=WIDESTAMONGSMALL;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=WIDESTAMONGSMALL;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=WIDESTAMONGSMALL;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=WIDESTAMONGSMALL;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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:14:35,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:14:35,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:14:35,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:14:35,390 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:14:35,391 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:14:35,392 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-09-25 04:14:35,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6eea5be2/be37efbd39a541fb8899b33a20db59a1/FLAG5f2f1b663 [2020-09-25 04:14:36,028 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:14:36,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-09-25 04:14:36,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6eea5be2/be37efbd39a541fb8899b33a20db59a1/FLAG5f2f1b663 [2020-09-25 04:14:36,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6eea5be2/be37efbd39a541fb8899b33a20db59a1 [2020-09-25 04:14:36,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:14:36,305 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:14:36,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:14:36,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:14:36,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:14:36,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:14:36" (1/1) ... [2020-09-25 04:14:36,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1a5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:36, skipping insertion in model container [2020-09-25 04:14:36,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:14:36" (1/1) ... [2020-09-25 04:14:36,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:14:36,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:14:36,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:14:36,991 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:14:37,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:14:37,165 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:14:37,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:37 WrapperNode [2020-09-25 04:14:37,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:14:37,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:14:37,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:14:37,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:14:37,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:37" (1/1) ... [2020-09-25 04:14:37,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:37" (1/1) ... [2020-09-25 04:14:37,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:37" (1/1) ... [2020-09-25 04:14:37,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:37" (1/1) ... [2020-09-25 04:14:37,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:37" (1/1) ... [2020-09-25 04:14:37,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:37" (1/1) ... [2020-09-25 04:14:37,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:37" (1/1) ... [2020-09-25 04:14:37,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:14:37,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:14:37,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:14:37,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:14:37,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:37" (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 04:14:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:14:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:14:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:14:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:14:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:14:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:14:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:14:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:14:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:14:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:14:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:14:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:14:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 04:14:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:14:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:14:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:14:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:14:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:14:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:14:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:14:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 04:14:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:14:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:14:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:14:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:14:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:14:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:14:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:14:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:14:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:14:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:14:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:14:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:14:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:14:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:14:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:14:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:14:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:14:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:14:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:14:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:14:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:14:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 04:14:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:14:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:14:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:14:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:14:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:14:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:14:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:14:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:14:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:14:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:14:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:14:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:14:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:14:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:14:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:14:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:14:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:14:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:14:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:14:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:14:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:14:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:14:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:14:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:14:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 04:14:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:14:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:14:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:14:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:14:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:14:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:14:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:14:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:14:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:14:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:14:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:14:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 04:14:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 04:14:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:14:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:14:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:14:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:14:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:14:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:14:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:14:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:14:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:14:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:14:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:14:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:14:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:14:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:14:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:14:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:14:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:14:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:14:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:14:38,498 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:14:38,498 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:14:38,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:14:38 BoogieIcfgContainer [2020-09-25 04:14:38,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:14:38,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:14:38,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:14:38,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:14:38,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:14:36" (1/3) ... [2020-09-25 04:14:38,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591fee5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:14:38, skipping insertion in model container [2020-09-25 04:14:38,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:37" (2/3) ... [2020-09-25 04:14:38,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591fee5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:14:38, skipping insertion in model container [2020-09-25 04:14:38,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:14:38" (3/3) ... [2020-09-25 04:14:38,516 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2020-09-25 04:14:38,527 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:14:38,539 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:14:38,562 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:14:38,594 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:14:38,594 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:14:38,594 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:14:38,594 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:14:38,594 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:14:38,595 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:14:38,595 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:14:38,595 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:14:38,624 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-25 04:14:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 04:14:38,644 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:38,646 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 04:14:38,646 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:38,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:38,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1827526995, now seen corresponding path program 1 times [2020-09-25 04:14:38,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:38,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086864390] [2020-09-25 04:14:38,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:39,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:39,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:39,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:40,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:42,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:44,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:44,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 04:14:44,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:14:44,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-09-25 04:14:44,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:44,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:44,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:14:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:44,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-25 04:14:44,622 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:44,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:44,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:44,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:44,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:44,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:44,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-25 04:14:44,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:44,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:44,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:44,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:44,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:44,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:44,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:44,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:44,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:44,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:44,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:44,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:14:44,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:44,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:44,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:44,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:44,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:44,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:44,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:44,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:44,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:44,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:44,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:44,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:44,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:44,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:44,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:44,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:44,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:44,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:44,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:44,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:44,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:14:44,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:44,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:44,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:44,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:44,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:44,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:44,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:44,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:44,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:44,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:44,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:44,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:44,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:44,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:44,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:44,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:44,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:44,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:44,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:44,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:44,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:44,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:44,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:44,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:14:44,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:44,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:44,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:44,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:44,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:14:44,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:14:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:44,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:44,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:44,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:44,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:44,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:14:44,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:44,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:44,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:44,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:14:44,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:44,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:44,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:44,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:45,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:45,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:45,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:45,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:45,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:45,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:45,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:45,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 04:14:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:45,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:45,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:45,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:45,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:45,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:45,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:45,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:45,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:45,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:45,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:45,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:45,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 04:14:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:45,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:45,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:45,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:45,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:45,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:14:45,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:45,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:45,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:45,102 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 04:14:45,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086864390] [2020-09-25 04:14:45,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:45,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:14:45,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523716209] [2020-09-25 04:14:45,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:14:45,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:45,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:14:45,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:14:45,140 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 4 states. [2020-09-25 04:14:46,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:46,620 INFO L93 Difference]: Finished difference Result 559 states and 654 transitions. [2020-09-25 04:14:46,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:14:46,622 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 04:14:46,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:46,645 INFO L225 Difference]: With dead ends: 559 [2020-09-25 04:14:46,645 INFO L226 Difference]: Without dead ends: 345 [2020-09-25 04:14:46,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:14:46,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-25 04:14:46,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 299. [2020-09-25 04:14:46,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-09-25 04:14:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 327 transitions. [2020-09-25 04:14:46,781 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 327 transitions. Word has length 160 [2020-09-25 04:14:46,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:46,782 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 327 transitions. [2020-09-25 04:14:46,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:14:46,783 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 327 transitions. [2020-09-25 04:14:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:14:46,788 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:46,789 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] [2020-09-25 04:14:46,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:14:46,789 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:46,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:46,790 INFO L82 PathProgramCache]: Analyzing trace with hash -241793029, now seen corresponding path program 1 times [2020-09-25 04:14:46,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:46,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [905876325] [2020-09-25 04:14:46,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:46,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:47,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:47,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:47,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:49,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:51,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:51,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 04:14:51,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:14:51,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 04:14:51,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:51,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:51,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:51,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 04:14:51,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 04:14:51,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:52,346 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:52,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:52,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:52,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:52,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:52,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:52,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316 [2020-09-25 04:14:52,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:52,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:52,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 04:14:52,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:14:52,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:52,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:52,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:52,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:52,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:52,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:52,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:52,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:52,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:52,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:52,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:14:52,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:52,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:52,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:52,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:52,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:52,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:52,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:52,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:52,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:14:52,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:52,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:52,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:52,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:52,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:52,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:52,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:14:52,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:52,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:52,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:52,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:52,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:14:52,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 04:14:52,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:52,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:52,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:52,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:52,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:52,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:52,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:52,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:14:52,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:14:52,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:52,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:52,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:52,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:52,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:52,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:52,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:52,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:14:52,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:52,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:14:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:52,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:52,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:52,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:52,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:52,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:14:52,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:52,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:52,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:14:52,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:52,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:52,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:52,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:52,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:52,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:52,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:52,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:52,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:52,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:52,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:52,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:52,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:52,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 04:14:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:52,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:52,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:52,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:52,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:52,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:52,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:52,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:52,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:52,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:52,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:52,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:52,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:14:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:52,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:52,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:52,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:52,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:52,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:52,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:52,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:52,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:52,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:52,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:52,922 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 04:14:52,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [905876325] [2020-09-25 04:14:52,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:52,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:14:52,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964942190] [2020-09-25 04:14:52,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:14:52,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:52,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:14:52,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:14:52,929 INFO L87 Difference]: Start difference. First operand 299 states and 327 transitions. Second operand 5 states. [2020-09-25 04:14:53,480 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:14:54,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:54,646 INFO L93 Difference]: Finished difference Result 529 states and 606 transitions. [2020-09-25 04:14:54,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:14:54,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 04:14:54,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:54,651 INFO L225 Difference]: With dead ends: 529 [2020-09-25 04:14:54,652 INFO L226 Difference]: Without dead ends: 345 [2020-09-25 04:14:54,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:14:54,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-25 04:14:54,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 299. [2020-09-25 04:14:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-09-25 04:14:54,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 326 transitions. [2020-09-25 04:14:54,718 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 326 transitions. Word has length 161 [2020-09-25 04:14:54,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:54,719 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 326 transitions. [2020-09-25 04:14:54,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:14:54,719 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 326 transitions. [2020-09-25 04:14:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 04:14:54,723 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:54,723 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] [2020-09-25 04:14:54,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:14:54,724 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:54,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:54,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1465087076, now seen corresponding path program 1 times [2020-09-25 04:14:54,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:54,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1552539555] [2020-09-25 04:14:54,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:54,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:54,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:55,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:55,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:56,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:59,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:59,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-25 04:14:59,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:14:59,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 04:14:59,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:59,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:59,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:59,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:14:59,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:14:59,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,126 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:00,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:00,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:00,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-09-25 04:15:00,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:00,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:00,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:00,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:00,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:00,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:00,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:00,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:00,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:00,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:00,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:00,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:00,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:00,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:00,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:00,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:00,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:00,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:00,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:15:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:00,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:00,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:00,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:15:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:00,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:00,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:00,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 04:15:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 04:15:00,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:15:00,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 04:15:00,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 04:15:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 04:15:00,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:15:00,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 04:15:00,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:00,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:15:00,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:00,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:15:00,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:00,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:00,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:00,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 04:15:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:00,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:00,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:00,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:00,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 04:15:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:00,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:00,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:00,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:15:00,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:00,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:00,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:00,606 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 04:15:00,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1552539555] [2020-09-25 04:15:00,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:00,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:15:00,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164193110] [2020-09-25 04:15:00,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:15:00,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:00,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:15:00,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:15:00,612 INFO L87 Difference]: Start difference. First operand 299 states and 326 transitions. Second operand 6 states. [2020-09-25 04:15:01,290 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:02,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:02,780 INFO L93 Difference]: Finished difference Result 512 states and 585 transitions. [2020-09-25 04:15:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 04:15:02,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 179 [2020-09-25 04:15:02,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:02,784 INFO L225 Difference]: With dead ends: 512 [2020-09-25 04:15:02,785 INFO L226 Difference]: Without dead ends: 358 [2020-09-25 04:15:02,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:15:02,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2020-09-25 04:15:02,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 289. [2020-09-25 04:15:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-09-25 04:15:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 313 transitions. [2020-09-25 04:15:02,827 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 313 transitions. Word has length 179 [2020-09-25 04:15:02,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:02,827 INFO L479 AbstractCegarLoop]: Abstraction has 289 states and 313 transitions. [2020-09-25 04:15:02,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:15:02,828 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 313 transitions. [2020-09-25 04:15:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-25 04:15:02,830 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:02,831 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] [2020-09-25 04:15:02,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:15:02,831 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:02,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:02,832 INFO L82 PathProgramCache]: Analyzing trace with hash 550562744, now seen corresponding path program 1 times [2020-09-25 04:15:02,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:02,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454536346] [2020-09-25 04:15:02,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:02,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:03,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:03,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:03,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:07,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-09-25 04:15:07,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 04:15:07,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 04:15:07,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:07,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:07,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:15:07,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-25 04:15:07,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:15:07,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,204 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:08,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:08,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:08,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 04:15:08,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:08,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:08,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:08,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:08,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:08,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:08,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:08,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:08,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:08,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:08,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:08,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:08,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:08,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:08,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:08,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:15:08,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:08,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:08,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:08,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:08,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:08,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:08,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:08,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:08,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:08,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:08,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:08,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:08,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:08,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:08,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:15:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:08,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:08,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:08,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:08,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:08,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:08,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:08,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:08,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:08,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:08,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:08,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:15:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 04:15:08,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:15:08,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 04:15:08,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:15:08,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:15:08,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:15:08,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 04:15:08,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:08,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:15:08,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:15:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 04:15:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:15:08,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:15:08,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:08,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:15:08,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:15:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:15:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 04:15:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:08,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:08,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:08,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:08,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:08,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:15:08,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 04:15:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:08,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:08,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:08,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:08,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 04:15:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:08,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:08,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:08,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:08,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:08,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:08,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:08,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:08,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:08,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:08,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:08,803 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 04:15:08,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454536346] [2020-09-25 04:15:08,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:08,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 04:15:08,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12750387] [2020-09-25 04:15:08,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 04:15:08,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:08,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 04:15:08,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 04:15:08,806 INFO L87 Difference]: Start difference. First operand 289 states and 313 transitions. Second operand 8 states. [2020-09-25 04:15:09,542 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:11,399 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:15:12,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:12,287 INFO L93 Difference]: Finished difference Result 654 states and 752 transitions. [2020-09-25 04:15:12,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 04:15:12,287 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 188 [2020-09-25 04:15:12,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:12,293 INFO L225 Difference]: With dead ends: 654 [2020-09-25 04:15:12,294 INFO L226 Difference]: Without dead ends: 480 [2020-09-25 04:15:12,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-25 04:15:12,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-25 04:15:12,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 412. [2020-09-25 04:15:12,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-09-25 04:15:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 446 transitions. [2020-09-25 04:15:12,359 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 446 transitions. Word has length 188 [2020-09-25 04:15:12,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:12,360 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 446 transitions. [2020-09-25 04:15:12,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 04:15:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 446 transitions. [2020-09-25 04:15:12,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-25 04:15:12,363 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:12,363 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] [2020-09-25 04:15:12,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:15:12,363 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:12,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:12,364 INFO L82 PathProgramCache]: Analyzing trace with hash -2110557582, now seen corresponding path program 1 times [2020-09-25 04:15:12,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:12,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509972919] [2020-09-25 04:15:12,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:12,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:12,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:12,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:12,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:17,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-25 04:15:17,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:15:17,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 04:15:17,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:17,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:17,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:15:17,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-09-25 04:15:17,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 04:15:17,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:17,726 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:17,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:17,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:17,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:17,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:17,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 04:15:17,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:17,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:17,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:17,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:17,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:17,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:17,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:17,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:17,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:17,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:17,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:17,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:17,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:17,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:17,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:17,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:17,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:17,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:17,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:17,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:17,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:17,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:17,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:17,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:17,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:17,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:17,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:17,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:17,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:17,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:17,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:17,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:17,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:17,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:17,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:17,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:17,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:17,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:17,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:17,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:17,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:17,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:17,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:17,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:17,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:17,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:17,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:17,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:17,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:17,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:17,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:17,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:17,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:17,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:15:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:17,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:17,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:17,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:17,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:17,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:17,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:17,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:17,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:17,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:17,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:17,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:17,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:17,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:17,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:17,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:17,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:17,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:17,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:17,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:15:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:17,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 04:15:18,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:15:18,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-09-25 04:15:18,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 04:15:18,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:18,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 04:15:18,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:15:18,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 04:15:18,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:18,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:15:18,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:18,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 04:15:18,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 04:15:18,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:18,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:15:18,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:18,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:15:18,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 04:15:18,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 04:15:18,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:18,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:15:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:15:18,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:18,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:18,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:18,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:18,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:15:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:18,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:18,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:15:18,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:18,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 04:15:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:18,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:18,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:18,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:15:18,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:18,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 04:15:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:18,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:15:18,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:15:18,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:15:18,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:18,371 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 04:15:18,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509972919] [2020-09-25 04:15:18,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:18,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:15:18,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532373540] [2020-09-25 04:15:18,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:15:18,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:18,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:15:18,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:15:18,373 INFO L87 Difference]: Start difference. First operand 412 states and 446 transitions. Second operand 10 states. [2020-09-25 04:15:18,932 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:15:20,178 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 04:15:20,816 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-25 04:15:21,970 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 04:15:22,361 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-25 04:15:22,720 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:23,243 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191