/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=1.0 --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_spec1_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:35:28,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:35:28,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:35:28,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:35:28,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:35:28,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:35:28,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:35:28,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:35:28,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:35:28,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:35:28,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:35:28,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:35:28,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:35:28,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:35:28,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:35:28,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:35:28,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:35:28,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:35:28,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:35:28,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:35:28,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:35:28,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:35:28,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:35:28,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:35:28,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:35:28,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:35:28,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:35:28,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:35:28,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:35:28,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:35:28,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:35:28,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:35:28,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:35:28,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:35:28,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:35:28,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:35:28,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:35:28,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:35:28,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:35:28,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:35:28,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:35:28,345 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 08:35:28,371 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:35:28,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:35:28,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:35:28,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:35:28,373 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:35:28,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:35:28,374 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:35:28,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:35:28,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:35:28,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:35:28,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:35:28,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:35:28,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:35:28,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:35:28,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:35:28,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:35:28,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:35:28,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:35:28,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:35:28,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:35:28,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:35:28,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:35:28,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:35:28,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:35:28,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:35:28,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:35:28,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:35:28,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:35:28,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:35:28,379 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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;log-additional-information=true; [2020-09-25 08:35:28,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:35:28,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:35:28,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:35:28,929 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:35:28,931 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:35:28,932 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product41.cil.c [2020-09-25 08:35:29,018 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc4f82cbb/5261ee5da5404232a9852b616ecc84c2/FLAGddbb934c5 [2020-09-25 08:35:29,604 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:35:29,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product41.cil.c [2020-09-25 08:35:29,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc4f82cbb/5261ee5da5404232a9852b616ecc84c2/FLAGddbb934c5 [2020-09-25 08:35:29,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc4f82cbb/5261ee5da5404232a9852b616ecc84c2 [2020-09-25 08:35:29,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:35:29,895 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:35:29,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:35:29,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:35:29,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:35:29,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:35:29" (1/1) ... [2020-09-25 08:35:29,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:29, skipping insertion in model container [2020-09-25 08:35:29,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:35:29" (1/1) ... [2020-09-25 08:35:29,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:35:29,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:35:30,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:35:30,389 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:35:30,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:35:30,665 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:35:30,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:30 WrapperNode [2020-09-25 08:35:30,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:35:30,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:35:30,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:35:30,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:35:30,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:30" (1/1) ... [2020-09-25 08:35:30,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:30" (1/1) ... [2020-09-25 08:35:30,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:30" (1/1) ... [2020-09-25 08:35:30,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:30" (1/1) ... [2020-09-25 08:35:30,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:30" (1/1) ... [2020-09-25 08:35:30,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:30" (1/1) ... [2020-09-25 08:35:30,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:30" (1/1) ... [2020-09-25 08:35:30,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:35:30,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:35:30,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:35:30,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:35:30,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:35:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:35:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:35:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:35:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:35:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:35:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:35:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:35:30,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:35:30,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:35:30,907 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:35:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:35:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:35:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:35:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:35:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:35:30,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:35:30,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 08:35:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:35:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:35:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:35:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 08:35:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:35:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:35:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:35:30,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:35:30,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:35:30,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 08:35:30,913 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:35:30,913 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:35:30,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:35:30,913 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:35:30,913 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:35:30,913 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:35:30,914 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:35:30,914 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:35:30,914 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:35:30,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:35:30,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 08:35:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:35:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:35:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:35:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:35:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:35:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:35:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:35:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:35:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:35:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:35:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:35:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:35:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:35:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:35:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:35:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:35:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:35:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:35:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:35:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:35:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:35:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:35:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:35:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:35:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:35:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:35:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:35:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:35:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:35:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 08:35:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:35:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:35:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:35:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:35:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 08:35:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:35:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:35:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 08:35:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 08:35:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:35:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:35:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:35:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:35:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:35:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:35:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:35:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:35:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:35:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:35:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:35:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:35:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:35:32,355 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:35:32,356 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:35:32,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:35:32 BoogieIcfgContainer [2020-09-25 08:35:32,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:35:32,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:35:32,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:35:32,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:35:32,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:35:29" (1/3) ... [2020-09-25 08:35:32,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3e0e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:35:32, skipping insertion in model container [2020-09-25 08:35:32,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:35:30" (2/3) ... [2020-09-25 08:35:32,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3e0e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:35:32, skipping insertion in model container [2020-09-25 08:35:32,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:35:32" (3/3) ... [2020-09-25 08:35:32,379 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product41.cil.c [2020-09-25 08:35:32,391 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:35:32,403 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:35:32,426 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:35:32,458 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:35:32,458 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:35:32,458 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:35:32,459 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:35:32,459 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:35:32,459 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:35:32,459 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:35:32,459 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:35:32,489 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states. [2020-09-25 08:35:32,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:35:32,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:35:32,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:35:32,510 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:35:32,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:35:32,519 INFO L82 PathProgramCache]: Analyzing trace with hash -304356178, now seen corresponding path program 1 times [2020-09-25 08:35:32,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:35:32,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385615179] [2020-09-25 08:35:32,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:35:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:33,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:33,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:33,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:34,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:34,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:37,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:37,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:35:37,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:35:37,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 08:35:37,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:37,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:37,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 08:35:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 08:35:37,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 08:35:38,537 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:35:38,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:35:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:38,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:38,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:38,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:35:38,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:38,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-25 08:35:38,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:38,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:38,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:38,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:38,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 08:35:38,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:38,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:35:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:38,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:38,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:38,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:38,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:38,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:35:38,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:38,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:35:38,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:38,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:35:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:38,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:38,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:38,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:38,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:38,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:35:38,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:38,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:38,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:38,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:35:38,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:38,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:35:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:38,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:38,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:38,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:38,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:38,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:35:38,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:38,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:38,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:38,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:35:39,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:35:39,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:35:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:39,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:39,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:39,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:39,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:39,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:35:39,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:39,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:39,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:35:39,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:39,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:35:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:39,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:39,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:39,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:39,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:39,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:35:39,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:39,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:35:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:39,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:39,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:35:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:39,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:39,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:39,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:39,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:39,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:35:39,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:39,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:35:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:39,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:39,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:35:39,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1385615179] [2020-09-25 08:35:39,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:35:39,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:35:39,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704414289] [2020-09-25 08:35:39,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:35:39,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:35:39,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:35:39,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:35:39,144 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 4 states. [2020-09-25 08:35:39,852 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:35:40,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:35:40,967 INFO L93 Difference]: Finished difference Result 455 states and 541 transitions. [2020-09-25 08:35:40,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:35:40,970 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 08:35:40,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:35:41,000 INFO L225 Difference]: With dead ends: 455 [2020-09-25 08:35:41,001 INFO L226 Difference]: Without dead ends: 285 [2020-09-25 08:35:41,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:35:41,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-25 08:35:41,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 244. [2020-09-25 08:35:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-25 08:35:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 263 transitions. [2020-09-25 08:35:41,155 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 263 transitions. Word has length 142 [2020-09-25 08:35:41,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:35:41,156 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 263 transitions. [2020-09-25 08:35:41,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:35:41,156 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 263 transitions. [2020-09-25 08:35:41,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 08:35:41,162 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:35:41,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:35:41,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:35:41,163 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:35:41,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:35:41,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1993028941, now seen corresponding path program 1 times [2020-09-25 08:35:41,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:35:41,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633939475] [2020-09-25 08:35:41,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:35:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:41,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:41,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:41,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:44,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 08:35:46,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:35:46,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-25 08:35:46,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:35:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-09-25 08:35:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:35:46,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,598 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:35:46,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:35:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:35:46,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 08:35:46,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:46,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:46,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:46,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:35:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:46,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:35:46,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:46,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:46,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:46,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:35:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:46,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:35:46,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:46,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:46,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:35:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:46,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:35:46,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:46,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:35:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:46,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:35:46,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:46,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:46,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:46,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 08:35:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:35:46,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:35:46,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:35:46,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:35:46,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:35:46,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:35:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:46,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:35:46,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:35:46,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:35:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:46,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:35:46,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:46,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:35:46,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:46,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 08:35:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:46,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:46,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:46,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:46,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:46,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:35:46,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:46,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:46,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:46,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:35:46,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:46,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:46,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:35:46,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633939475] [2020-09-25 08:35:46,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:35:46,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 08:35:46,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097068549] [2020-09-25 08:35:46,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 08:35:46,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:35:46,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 08:35:46,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:35:46,909 INFO L87 Difference]: Start difference. First operand 244 states and 263 transitions. Second operand 7 states. [2020-09-25 08:35:47,386 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:35:48,776 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:35:49,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:35:49,888 INFO L93 Difference]: Finished difference Result 564 states and 667 transitions. [2020-09-25 08:35:49,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 08:35:49,889 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 151 [2020-09-25 08:35:49,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:35:49,894 INFO L225 Difference]: With dead ends: 564 [2020-09-25 08:35:49,894 INFO L226 Difference]: Without dead ends: 430 [2020-09-25 08:35:49,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:35:49,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-09-25 08:35:49,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 358. [2020-09-25 08:35:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-09-25 08:35:49,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 397 transitions. [2020-09-25 08:35:49,977 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 397 transitions. Word has length 151 [2020-09-25 08:35:49,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:35:49,979 INFO L479 AbstractCegarLoop]: Abstraction has 358 states and 397 transitions. [2020-09-25 08:35:49,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 08:35:49,979 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 397 transitions. [2020-09-25 08:35:49,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-09-25 08:35:49,989 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:35:49,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:35:49,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:35:49,989 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:35:49,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:35:49,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1575421587, now seen corresponding path program 1 times [2020-09-25 08:35:49,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:35:49,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [196962911] [2020-09-25 08:35:49,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:35:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:50,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:50,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:52,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:53,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:53,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:53,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:55,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:55,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-25 08:35:55,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 08:35:55,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-09-25 08:35:55,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:55,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:35:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 08:35:55,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 08:35:55,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:55,395 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:35:55,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:35:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:55,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:55,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:55,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:35:55,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:55,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 08:35:55,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:55,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:55,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:55,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:55,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:55,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:55,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:35:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:55,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:55,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:55,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:55,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:55,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:35:55,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:55,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:55,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:35:55,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:35:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:55,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:55,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:55,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:55,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:55,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:35:55,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:55,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:55,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:55,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:55,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:55,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:35:55,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:35:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:55,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:55,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:55,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:55,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:55,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:35:55,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:55,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:55,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:55,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:55,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:55,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:55,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:35:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:55,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:55,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:55,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:55,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:55,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:35:55,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:55,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:55,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:55,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:55,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:55,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:35:55,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:35:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:55,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:55,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:55,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:55,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:56,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:56,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 08:35:56,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:35:56,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 804 [2020-09-25 08:35:56,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:56,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:35:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:35:56,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-25 08:35:56,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:35:56,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:35:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:56,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:56,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:56,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:56,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:35:56,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:35:56,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 08:35:56,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:56,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:56,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:56,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:56,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 08:35:56,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:56,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:35:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:56,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:56,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:56,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:35:56,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:56,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:35:56,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:56,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:56,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:35:56,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:56,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:35:56,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:35:56,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:35:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:56,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:56,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:56,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:35:56,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:56,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:35:56,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:56,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:56,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:56,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:56,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:35:56,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:56,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 08:35:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:56,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:56,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:56,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:56,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:56,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:35:56,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:56,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:35:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:56,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:35:56,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:35:56,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 08:35:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:35:56,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:35:56,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:35:56,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:35:56,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:35:56,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:35:56,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:35:56,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:35:56,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:35:56,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:35:56,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:35:56,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:35:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:35:56,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [196962911] [2020-09-25 08:35:56,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:35:56,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:35:56,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091344284] [2020-09-25 08:35:56,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:35:56,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:35:56,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:35:56,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:35:56,713 INFO L87 Difference]: Start difference. First operand 358 states and 397 transitions. Second operand 10 states. [2020-09-25 08:35:57,300 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:35:58,815 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:35:59,134 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:35:59,486 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:36:00,220 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:36:00,595 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:36:00,929 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:36:01,276 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:36:01,586 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:36:02,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:36:02,077 INFO L93 Difference]: Finished difference Result 433 states and 501 transitions. [2020-09-25 08:36:02,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 08:36:02,078 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2020-09-25 08:36:02,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:36:02,084 INFO L225 Difference]: With dead ends: 433 [2020-09-25 08:36:02,084 INFO L226 Difference]: Without dead ends: 430 [2020-09-25 08:36:02,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-09-25 08:36:02,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-09-25 08:36:02,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 358. [2020-09-25 08:36:02,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-09-25 08:36:02,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 396 transitions. [2020-09-25 08:36:02,148 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 396 transitions. Word has length 184 [2020-09-25 08:36:02,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:36:02,149 INFO L479 AbstractCegarLoop]: Abstraction has 358 states and 396 transitions. [2020-09-25 08:36:02,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:36:02,149 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 396 transitions. [2020-09-25 08:36:02,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-25 08:36:02,153 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:36:02,153 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] [2020-09-25 08:36:02,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:36:02,154 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:36:02,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:36:02,154 INFO L82 PathProgramCache]: Analyzing trace with hash -951257086, now seen corresponding path program 1 times [2020-09-25 08:36:02,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:36:02,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312378870] [2020-09-25 08:36:02,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:36:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:02,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:02,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:03,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:03,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:07,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-25 08:36:07,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:36:07,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 08:36:07,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:07,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:36:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:36:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:36:07,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:07,557 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:36:07,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:36:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:07,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:07,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:36:07,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:07,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 08:36:07,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:07,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:07,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:36:07,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:36:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:07,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:07,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:36:07,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:07,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:36:07,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:07,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:07,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:07,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:07,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:07,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:07,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:36:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:07,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:07,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:36:07,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:07,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:36:07,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:07,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:07,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:07,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:07,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:07,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:07,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:36:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:07,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:07,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:36:07,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:07,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:36:07,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:07,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:07,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:07,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:07,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:07,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:07,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:36:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:07,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:07,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:36:07,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:07,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:36:07,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:07,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:07,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:07,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:07,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 08:36:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:07,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:07,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 08:36:07,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:36:07,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 08:36:07,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:07,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:07,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:07,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-25 08:36:07,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:07,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:07,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:36:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:07,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:07,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:36:07,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:36:07,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 08:36:07,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:07,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:07,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:07,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:36:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:07,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:07,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:36:07,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:07,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:36:07,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:07,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:07,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:07,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:07,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:07,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:36:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:07,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:07,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 08:36:07,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:07,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:36:07,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:07,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:07,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:07,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:07,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 08:36:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:07,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:07,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 08:36:07,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:07,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:36:07,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:07,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:07,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:07,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:07,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:07,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 08:36:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:07,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:07,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:36:07,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:07,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:36:07,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:07,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:07,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:07,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:07,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:07,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:36:07,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 08:36:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:07,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:07,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:07,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:36:07,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:07,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:36:07,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:07,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:07,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:07,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:07,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:08,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 08:36:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:08,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:08,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:08,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:36:08,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:08,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:36:08,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:08,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:08,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:08,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:36:08,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:08,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:08,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 08:36:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:08,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:08,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:08,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:36:08,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:08,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:36:08,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:08,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:08,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:08,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:36:08,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:08,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:08,089 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 08:36:08,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312378870] [2020-09-25 08:36:08,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:36:08,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:36:08,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780148895] [2020-09-25 08:36:08,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:36:08,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:36:08,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:36:08,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:36:08,093 INFO L87 Difference]: Start difference. First operand 358 states and 396 transitions. Second operand 5 states. [2020-09-25 08:36:08,700 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:36:09,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:36:09,668 INFO L93 Difference]: Finished difference Result 572 states and 640 transitions. [2020-09-25 08:36:09,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:36:09,669 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 198 [2020-09-25 08:36:09,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:36:09,672 INFO L225 Difference]: With dead ends: 572 [2020-09-25 08:36:09,672 INFO L226 Difference]: Without dead ends: 384 [2020-09-25 08:36:09,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:36:09,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-09-25 08:36:09,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 331. [2020-09-25 08:36:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2020-09-25 08:36:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 356 transitions. [2020-09-25 08:36:09,713 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 356 transitions. Word has length 198 [2020-09-25 08:36:09,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:36:09,713 INFO L479 AbstractCegarLoop]: Abstraction has 331 states and 356 transitions. [2020-09-25 08:36:09,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:36:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 356 transitions. [2020-09-25 08:36:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 08:36:09,716 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:36:09,717 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] [2020-09-25 08:36:09,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:36:09,717 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:36:09,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:36:09,718 INFO L82 PathProgramCache]: Analyzing trace with hash 714160235, now seen corresponding path program 1 times [2020-09-25 08:36:09,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:36:09,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292813026] [2020-09-25 08:36:09,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:36:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:09,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:10,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:10,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:14,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:14,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-09-25 08:36:14,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:36:14,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 08:36:14,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:14,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:14,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:36:14,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 08:36:14,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:36:14,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:36:15,069 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:36:15,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:36:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:36:15,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 08:36:15,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:15,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:15,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:15,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:15,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:36:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:36:15,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:36:15,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:15,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:15,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:15,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:36:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:36:15,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:36:15,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:15,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:15,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:36:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:36:15,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:36:15,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:15,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:15,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:36:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:36:15,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:36:15,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:15,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:15,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:15,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:36:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 08:36:15,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 08:36:15,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:36:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:36:15,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:36:15,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:15,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:36:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:36:15,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 08:36:15,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:36:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 08:36:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:36:15,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:15,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:36:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:36:15,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:36:15,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:36:15,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:15,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:36:15,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:15,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:36:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 08:36:15,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:36:15,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:15,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 08:36:15,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:15,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:36:15,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 08:36:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 08:36:15,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:36:15,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:15,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:15,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 08:36:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:36:15,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:36:15,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:15,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:15,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:15,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:15,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 08:36:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:36:15,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:36:15,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:15,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:36:15,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:15,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:15,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 08:36:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:36:15,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:36:15,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:36:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:15,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:36:15,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 08:36:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:36:15,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:36:15,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:36:15,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:36:15,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:36:15,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:36:15,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:36:15,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:36:15,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:36:15,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:36:15,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:36:15,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:36:15,544 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 08:36:15,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292813026] [2020-09-25 08:36:15,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:36:15,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 08:36:15,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723756170] [2020-09-25 08:36:15,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 08:36:15,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:36:15,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 08:36:15,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 08:36:15,546 INFO L87 Difference]: Start difference. First operand 331 states and 356 transitions. Second operand 8 states.