/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=HIGHLEXORDER --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_spec2_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:27:27,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:27:27,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:27:27,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:27:27,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:27:27,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:27:27,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:27:27,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:27:27,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:27:27,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:27:27,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:27:27,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:27:27,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:27:27,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:27:27,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:27:27,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:27:27,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:27:27,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:27:27,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:27:27,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:27:27,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:27:27,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:27:27,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:27:27,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:27:27,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:27:27,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:27:27,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:27:27,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:27:27,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:27:27,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:27:27,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:27:27,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:27:27,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:27:27,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:27:27,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:27:27,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:27:27,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:27:27,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:27:27,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:27:27,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:27:27,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:27:27,438 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 [2020-09-24 22:27:27,462 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:27:27,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:27:27,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:27:27,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:27:27,465 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:27:27,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:27:27,465 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:27:27,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:27:27,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:27:27,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:27:27,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:27:27,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:27:27,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:27:27,466 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:27:27,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:27:27,467 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:27:27,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:27:27,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:27:27,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:27:27,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:27:27,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:27:27,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:27:27,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:27:27,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:27:27,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:27:27,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:27:27,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:27:27,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:27:27,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:27:27,470 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:27:27,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:27:27,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:27:27,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:27:27,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:27:27,959 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:27:27,960 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-09-24 22:27:28,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d01a3d42/6f74b9586dcf490a9160d27b06c0fbfc/FLAG2d3eaf628 [2020-09-24 22:27:28,688 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:27:28,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-09-24 22:27:28,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d01a3d42/6f74b9586dcf490a9160d27b06c0fbfc/FLAG2d3eaf628 [2020-09-24 22:27:28,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d01a3d42/6f74b9586dcf490a9160d27b06c0fbfc [2020-09-24 22:27:28,935 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:27:28,940 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:27:28,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:27:28,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:27:28,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:27:28,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:27:28" (1/1) ... [2020-09-24 22:27:28,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:28, skipping insertion in model container [2020-09-24 22:27:28,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:27:28" (1/1) ... [2020-09-24 22:27:28,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:27:29,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:27:29,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:27:29,412 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:27:29,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:27:29,662 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:27:29,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:29 WrapperNode [2020-09-24 22:27:29,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:27:29,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:27:29,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:27:29,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:27:29,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:29" (1/1) ... [2020-09-24 22:27:29,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:29" (1/1) ... [2020-09-24 22:27:29,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:29" (1/1) ... [2020-09-24 22:27:29,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:29" (1/1) ... [2020-09-24 22:27:29,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:29" (1/1) ... [2020-09-24 22:27:29,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:29" (1/1) ... [2020-09-24 22:27:29,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:29" (1/1) ... [2020-09-24 22:27:29,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:27:29,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:27:29,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:27:29,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:27:29,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:29" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:27:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:27:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:27:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:27:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 22:27:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 22:27:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:27:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:27:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:27:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:27:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:27:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:27:29,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:27:29,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:27:29,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:27:29,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:27:29,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:27:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:27:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:27:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:27:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:27:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:27:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:27:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:27:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:27:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:27:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:27:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:27:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:27:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:27:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 22:27:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:27:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 22:27:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:27:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 22:27:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:27:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 22:27:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:27:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:27:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:27:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:27:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:27:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:27:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 22:27:29,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:27:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:27:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:27:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:27:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:27:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:27:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 22:27:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 22:27:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:27:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:27:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:27:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:27:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:27:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:27:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:27:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:27:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:27:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:27:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:27:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:27:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:27:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:27:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:27:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:27:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:27:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:27:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:27:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:27:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:27:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:27:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:27:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:27:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:27:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:27:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:27:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:27:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:27:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:27:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:27:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:27:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:27:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:27:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:27:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 22:27:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:27:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:27:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:27:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 22:27:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:27:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:27:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 22:27:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 22:27:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:27:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 22:27:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:27:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:27:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:27:31,094 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:27:31,095 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:27:31,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:27:31 BoogieIcfgContainer [2020-09-24 22:27:31,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:27:31,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:27:31,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:27:31,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:27:31,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:27:28" (1/3) ... [2020-09-24 22:27:31,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1262ef6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:27:31, skipping insertion in model container [2020-09-24 22:27:31,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:29" (2/3) ... [2020-09-24 22:27:31,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1262ef6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:27:31, skipping insertion in model container [2020-09-24 22:27:31,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:27:31" (3/3) ... [2020-09-24 22:27:31,112 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2020-09-24 22:27:31,121 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:27:31,132 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:27:31,153 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:27:31,188 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:27:31,188 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:27:31,189 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:27:31,189 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:27:31,189 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:27:31,189 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:27:31,189 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:27:31,189 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:27:31,219 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-24 22:27:31,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 22:27:31,238 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:27:31,240 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] [2020-09-24 22:27:31,240 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:27:31,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:27:31,249 INFO L82 PathProgramCache]: Analyzing trace with hash 425462913, now seen corresponding path program 1 times [2020-09-24 22:27:31,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:27:31,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1500638586] [2020-09-24 22:27:31,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:27:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:31,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:32,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:32,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:33,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:34,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:36,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:36,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 22:27:36,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:27:36,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-24 22:27:36,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:36,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:36,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-24 22:27:36,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:27:36,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 22:27:37,292 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:27:37,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:27:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:37,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:37,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:37,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:27:37,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:37,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-24 22:27:37,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:37,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:37,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:37,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:27:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:37,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:37,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:37,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:37,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:37,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:27:37,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:37,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:37,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:37,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:37,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:37,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:27:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:37,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:37,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:37,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:37,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:37,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:37,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:37,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:37,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:37,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:37,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:37,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:27:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:37,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:37,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:37,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:37,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:37,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:27:37,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:37,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:37,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:37,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:37,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:37,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:27:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:37,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:37,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:37,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:37,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:37,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:37,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:37,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:37,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:37,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:37,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:37,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:27:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:37,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:37,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:37,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:37,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:37,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:37,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:37,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:37,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:37,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:37,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 22:27:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:37,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:37,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:37,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:37,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:37,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:27:37,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:37,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:27:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:27:37,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:37,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 22:27:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:37,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:37,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:37,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:37,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:37,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:27:37,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:37,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:27:37,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:27:37,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1500638586] [2020-09-24 22:27:37,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:27:37,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:27:37,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889920425] [2020-09-24 22:27:37,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:27:37,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:27:37,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:27:37,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:27:37,749 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 9 states. [2020-09-24 22:27:38,350 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:27:39,613 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:39,931 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:27:40,392 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:40,662 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:27:40,918 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:42,028 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:27:42,348 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:42,717 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:43,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:27:43,843 INFO L93 Difference]: Finished difference Result 681 states and 834 transitions. [2020-09-24 22:27:43,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 22:27:43,846 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-24 22:27:43,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:27:43,868 INFO L225 Difference]: With dead ends: 681 [2020-09-24 22:27:43,868 INFO L226 Difference]: Without dead ends: 455 [2020-09-24 22:27:43,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-24 22:27:43,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2020-09-24 22:27:44,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 405. [2020-09-24 22:27:44,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-24 22:27:44,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 455 transitions. [2020-09-24 22:27:44,080 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 455 transitions. Word has length 148 [2020-09-24 22:27:44,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:27:44,082 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 455 transitions. [2020-09-24 22:27:44,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:27:44,083 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 455 transitions. [2020-09-24 22:27:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-24 22:27:44,099 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:27:44,100 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:27:44,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:27:44,100 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:27:44,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:27:44,101 INFO L82 PathProgramCache]: Analyzing trace with hash -317273001, now seen corresponding path program 1 times [2020-09-24 22:27:44,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:27:44,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441602857] [2020-09-24 22:27:44,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:27:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:44,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:44,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:44,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:44,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:48,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:48,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:49,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:49,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-24 22:27:49,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 22:27:49,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-24 22:27:49,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 213 [2020-09-24 22:27:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:27:49,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:49,546 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:27:49,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:27:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:49,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:49,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:49,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:27:49,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:49,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-24 22:27:49,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:49,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:49,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:27:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:49,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:49,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:49,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:49,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:49,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:49,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:49,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:49,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:49,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:49,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:49,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:27:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:49,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:49,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:49,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:49,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:49,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:49,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:49,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:49,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:27:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:49,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:49,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:49,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:49,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:49,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:27:49,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:49,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:49,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:27:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:49,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:49,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:49,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:49,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:49,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:49,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:49,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:27:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:49,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:49,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:49,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:49,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:49,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:49,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:49,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:49,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:27:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:49,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:49,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:49,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-24 22:27:49,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:49,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:49,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:49,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:49,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:49,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:49,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:49,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 22:27:49,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:49,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:49,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:49,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:49,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:49,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:49,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:49,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:49,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:49,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:49,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:49,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:49,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:27:49,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:49,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:49,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:49,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:49,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:49,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 22:27:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:49,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:49,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:49,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:27:49,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:49,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-24 22:27:49,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:49,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:49,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:27:49,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:27:49,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:49,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:49,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:50,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:50,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:27:50,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-24 22:27:50,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 22:27:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:27:50,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:50,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:50,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:50,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:50,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:27:50,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:50,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-24 22:27:50,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:50,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:50,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:27:50,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:27:50,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:50,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:50,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:50,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:50,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:27:50,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:50,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 22:27:50,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:50,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:50,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:50,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:27:50,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:50,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:27:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:50,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:50,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:50,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:27:50,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:50,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:27:50,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:50,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:50,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:50,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:50,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:50,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:27:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:50,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:50,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:50,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:27:50,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:50,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:27:50,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:50,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:50,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:27:50,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:50,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:50,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:50,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:50,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:50,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:27:50,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:50,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:50,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:50,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:50,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:50,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:50,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:50,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:50,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:50,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:50,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:50,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:50,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:50,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:50,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:50,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:50,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:50,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:50,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:27:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:50,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:50,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:50,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:50,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:50,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:50,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:50,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:50,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:50,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:50,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:50,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 22:27:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:50,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:50,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:50,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:50,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:50,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:50,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:50,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:50,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:27:50,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:50,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:50,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 22:27:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:50,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:50,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:50,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:50,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:50,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:50,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:50,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:50,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:27:50,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:50,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 22:27:50,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441602857] [2020-09-24 22:27:50,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 22:27:50,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 22:27:50,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306971975] [2020-09-24 22:27:50,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 22:27:50,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:27:50,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 22:27:50,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-24 22:27:50,434 INFO L87 Difference]: Start difference. First operand 405 states and 455 transitions. Second operand 11 states. [2020-09-24 22:27:52,015 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:52,318 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:52,632 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:27:52,963 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:53,283 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:53,582 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:55,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:27:55,047 INFO L93 Difference]: Finished difference Result 800 states and 989 transitions. [2020-09-24 22:27:55,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 22:27:55,050 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2020-09-24 22:27:55,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:27:55,069 INFO L225 Difference]: With dead ends: 800 [2020-09-24 22:27:55,069 INFO L226 Difference]: Without dead ends: 510 [2020-09-24 22:27:55,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2020-09-24 22:27:55,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-09-24 22:27:55,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 419. [2020-09-24 22:27:55,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-24 22:27:55,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 475 transitions. [2020-09-24 22:27:55,140 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 475 transitions. Word has length 239 [2020-09-24 22:27:55,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:27:55,142 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 475 transitions. [2020-09-24 22:27:55,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 22:27:55,142 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 475 transitions. [2020-09-24 22:27:55,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-09-24 22:27:55,146 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:27:55,147 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:27:55,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:27:55,147 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:27:55,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:27:55,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1610194053, now seen corresponding path program 1 times [2020-09-24 22:27:55,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:27:55,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572357516] [2020-09-24 22:27:55,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:27:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:55,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:55,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:56,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:56,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:00,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:00,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-24 22:28:00,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:28:00,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-24 22:28:00,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 22:28:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-24 22:28:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 22:28:00,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:00,727 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:28:00,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:28:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:00,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:00,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:00,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:28:00,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:00,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-24 22:28:00,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:00,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:00,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:00,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:00,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:00,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:28:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:00,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:00,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:00,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:28:00,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:00,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:28:00,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:00,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:00,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:28:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:00,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:00,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:00,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:28:00,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:00,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:28:00,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:00,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:00,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:00,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:00,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:00,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:28:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:00,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:00,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:00,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:28:00,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:28:00,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:00,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:00,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:00,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:00,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:28:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:00,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:00,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:00,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:28:00,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:00,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:28:00,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:00,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:00,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:28:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:00,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:00,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:00,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:28:00,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:00,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:28:00,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:00,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:00,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:00,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:00,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:00,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-24 22:28:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:00,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:00,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:01,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:01,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:28:01,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:28:01,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 834 [2020-09-24 22:28:01,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:01,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:28:01,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 22:28:01,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:28:01,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:01,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:28:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:01,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:01,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:01,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:28:01,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:01,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-24 22:28:01,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:28:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 22:28:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:28:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:01,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:28:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:01,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:01,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:01,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:28:01,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:01,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-24 22:28:01,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:28:01,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:28:01,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:28:01,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:01,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:28:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:01,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:02,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:02,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:28:02,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:02,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 22:28:02,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:28:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:28:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:28:02,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:02,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:28:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:02,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:02,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:02,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:28:02,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:02,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:28:02,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:02,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:28:02,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:02,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:28:02,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:02,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:28:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:02,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:02,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:02,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:28:02,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:02,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:28:02,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:28:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:02,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:02,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:28:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:02,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:02,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:02,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:28:02,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:02,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:28:02,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:02,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:02,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:02,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:02,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:02,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:28:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:02,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:02,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:02,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:28:02,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:02,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:28:02,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:02,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:02,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:02,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:02,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:02,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:28:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:02,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:02,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:02,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:28:02,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:02,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:28:02,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:02,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:02,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:02,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:02,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:02,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-24 22:28:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:02,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:02,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:02,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:28:02,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:02,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:28:02,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:28:02,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:02,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:28:02,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:02,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-09-24 22:28:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:02,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:02,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:02,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:28:02,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:02,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:28:02,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:02,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:02,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:28:02,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:02,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:02,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 22:28:02,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572357516] [2020-09-24 22:28:02,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:28:02,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 22:28:02,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672764201] [2020-09-24 22:28:02,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 22:28:02,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:28:02,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 22:28:02,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-09-24 22:28:02,266 INFO L87 Difference]: Start difference. First operand 419 states and 475 transitions. Second operand 14 states. [2020-09-24 22:28:02,840 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:28:03,913 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:28:04,292 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:28:04,694 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:28:05,101 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 22:28:05,461 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 22:28:05,977 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:28:06,359 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 22:28:06,691 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:28:07,036 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:28:07,361 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:28:07,724 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 22:28:08,090 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:28:08,503 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:28:09,014 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:28:09,371 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:28:09,758 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:28:10,143 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:28:10,495 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:28:13,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:28:13,321 INFO L93 Difference]: Finished difference Result 1155 states and 1488 transitions. [2020-09-24 22:28:13,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-24 22:28:13,324 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 214 [2020-09-24 22:28:13,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:28:13,335 INFO L225 Difference]: With dead ends: 1155 [2020-09-24 22:28:13,336 INFO L226 Difference]: Without dead ends: 817 [2020-09-24 22:28:13,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=280, Invalid=1202, Unknown=0, NotChecked=0, Total=1482 [2020-09-24 22:28:13,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2020-09-24 22:28:13,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 684. [2020-09-24 22:28:13,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-09-24 22:28:13,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 779 transitions. [2020-09-24 22:28:13,500 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 779 transitions. Word has length 214 [2020-09-24 22:28:13,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:28:13,502 INFO L479 AbstractCegarLoop]: Abstraction has 684 states and 779 transitions. [2020-09-24 22:28:13,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 22:28:13,502 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 779 transitions. [2020-09-24 22:28:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-24 22:28:13,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:28:13,508 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:28:13,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:28:13,508 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:28:13,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:28:13,509 INFO L82 PathProgramCache]: Analyzing trace with hash -777451088, now seen corresponding path program 1 times [2020-09-24 22:28:13,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:28:13,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767610358] [2020-09-24 22:28:13,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:28:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:13,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:13,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking...