/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:59:40,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:59:40,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:59:40,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:59:40,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:59:40,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:59:40,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:59:40,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:59:40,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:59:40,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:59:40,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:59:40,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:59:40,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:59:40,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:59:40,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:59:40,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:59:40,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:59:40,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:59:40,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:59:40,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:59:40,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:59:40,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:59:40,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:59:40,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:59:40,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:59:40,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:59:40,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:59:40,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:59:40,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:59:40,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:59:40,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:59:40,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:59:40,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:59:40,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:59:40,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:59:40,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:59:40,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:59:40,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:59:40,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:59:40,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:59:40,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:59:40,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 11:59:40,762 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:59:40,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:59:40,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:59:40,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:59:40,764 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:59:40,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:59:40,764 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:59:40,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:59:40,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:59:40,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:59:40,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:59:40,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:59:40,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:59:40,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:59:40,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:59:40,766 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:59:40,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:59:40,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:59:40,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:59:40,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:59:40,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:59:40,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:59:40,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:59:40,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:59:40,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:59:40,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:59:40,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:59:40,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:59:40,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:59:40,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 11:59:41,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:59:41,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:59:41,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:59:41,286 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:59:41,287 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:59:41,288 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-09-25 11:59:41,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1eac833ea/921b5abfebcf4c6d9807308de5dc9a5d/FLAG88b573077 [2020-09-25 11:59:41,965 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:59:41,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-09-25 11:59:41,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1eac833ea/921b5abfebcf4c6d9807308de5dc9a5d/FLAG88b573077 [2020-09-25 11:59:42,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1eac833ea/921b5abfebcf4c6d9807308de5dc9a5d [2020-09-25 11:59:42,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:59:42,296 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:59:42,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:59:42,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:59:42,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:59:42,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:59:42" (1/1) ... [2020-09-25 11:59:42,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4207e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:42, skipping insertion in model container [2020-09-25 11:59:42,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:59:42" (1/1) ... [2020-09-25 11:59:42,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:59:42,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:59:42,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:59:42,830 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:59:42,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:59:43,003 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:59:43,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:43 WrapperNode [2020-09-25 11:59:43,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:59:43,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:59:43,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:59:43,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:59:43,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:43" (1/1) ... [2020-09-25 11:59:43,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:43" (1/1) ... [2020-09-25 11:59:43,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:43" (1/1) ... [2020-09-25 11:59:43,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:43" (1/1) ... [2020-09-25 11:59:43,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:43" (1/1) ... [2020-09-25 11:59:43,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:43" (1/1) ... [2020-09-25 11:59:43,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:43" (1/1) ... [2020-09-25 11:59:43,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:59:43,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:59:43,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:59:43,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:59:43,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:59:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:59:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:59:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:59:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:59:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:59:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:59:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:59:43,178 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:59:43,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:59:43,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:59:43,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:59:43,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:59:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:59:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:59:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:59:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:59:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:59:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:59:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:59:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:59:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:59:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:59:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:59:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:59:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:59:43,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 11:59:43,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 11:59:43,182 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:59:43,182 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:59:43,182 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:59:43,182 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:59:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:59:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:59:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:59:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:59:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:59:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 11:59:43,184 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 11:59:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:59:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:59:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:59:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:59:43,185 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:59:43,185 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:59:43,185 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:59:43,185 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:59:43,185 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:59:43,185 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:59:43,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 11:59:43,186 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:59:43,186 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:59:43,186 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:59:43,186 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:59:43,187 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:59:43,187 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:59:43,187 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:59:43,187 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:59:43,187 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:59:43,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:59:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:59:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:59:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:59:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:59:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:59:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:59:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:59:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:59:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:59:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:59:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:59:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:59:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:59:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:59:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:59:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:59:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:59:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:59:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:59:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:59:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 11:59:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 11:59:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 11:59:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:59:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:59:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:59:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:59:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:59:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:59:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:59:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:59:44,292 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:59:44,293 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:59:44,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:59:44 BoogieIcfgContainer [2020-09-25 11:59:44,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:59:44,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:59:44,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:59:44,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:59:44,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:59:42" (1/3) ... [2020-09-25 11:59:44,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762daa2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:59:44, skipping insertion in model container [2020-09-25 11:59:44,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:59:43" (2/3) ... [2020-09-25 11:59:44,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762daa2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:59:44, skipping insertion in model container [2020-09-25 11:59:44,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:59:44" (3/3) ... [2020-09-25 11:59:44,311 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2020-09-25 11:59:44,323 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:59:44,335 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:59:44,355 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:59:44,386 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:59:44,386 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:59:44,386 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:59:44,386 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:59:44,386 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:59:44,387 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:59:44,387 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:59:44,387 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:59:44,414 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2020-09-25 11:59:44,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 11:59:44,432 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:59:44,433 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] [2020-09-25 11:59:44,434 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:59:44,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:59:44,442 INFO L82 PathProgramCache]: Analyzing trace with hash -142379134, now seen corresponding path program 1 times [2020-09-25 11:59:44,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:59:44,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974264874] [2020-09-25 11:59:44,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:59:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:44,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:45,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:46,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:47,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:48,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:49,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:49,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 11:59:49,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:59:49,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 11:59:49,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:49,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:49,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:59:49,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 11:59:49,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 11:59:49,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:59:50,434 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:59:50,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:59:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:50,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:50,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:50,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:59:50,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:50,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-09-25 11:59:50,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:50,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:50,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:50,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:50,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 11:59:50,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:50,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:59:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:50,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:50,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:50,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:50,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:50,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 11:59:50,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:50,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:50,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:50,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:50,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:50,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:50,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:59:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:50,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:50,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:50,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:50,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:50,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:59:50,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:50,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:50,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:50,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:59:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:50,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:50,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:50,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:50,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:50,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:59:50,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:50,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:50,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:50,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:59:50,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:50,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:59:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:50,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:50,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:50,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:50,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:50,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:59:50,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:50,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:50,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:50,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:50,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:50,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:50,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:59:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:50,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:50,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:50,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:59:50,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:50,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:59:50,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:50,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:59:50,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:50,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 11:59:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:51,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:51,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:51,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:51,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:51,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:59:51,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:51,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:51,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:51,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:59:51,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:51,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:51,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:59:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:51,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:51,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:51,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:51,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:51,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:59:51,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:51,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:51,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:51,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:59:51,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:51,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:51,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:59:51,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974264874] [2020-09-25 11:59:51,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:59:51,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 11:59:51,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340188963] [2020-09-25 11:59:51,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 11:59:51,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:59:51,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 11:59:51,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 11:59:51,156 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 5 states. [2020-09-25 11:59:51,860 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:59:53,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:59:53,723 INFO L93 Difference]: Finished difference Result 567 states and 692 transitions. [2020-09-25 11:59:53,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 11:59:53,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 11:59:53,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:59:53,761 INFO L225 Difference]: With dead ends: 567 [2020-09-25 11:59:53,762 INFO L226 Difference]: Without dead ends: 408 [2020-09-25 11:59:53,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:59:53,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-09-25 11:59:53,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 339. [2020-09-25 11:59:53,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2020-09-25 11:59:53,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 380 transitions. [2020-09-25 11:59:53,917 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 380 transitions. Word has length 148 [2020-09-25 11:59:53,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:59:53,919 INFO L479 AbstractCegarLoop]: Abstraction has 339 states and 380 transitions. [2020-09-25 11:59:53,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 11:59:53,919 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 380 transitions. [2020-09-25 11:59:53,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 11:59:53,924 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:59:53,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:59:53,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:59:53,925 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:59:53,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:59:53,926 INFO L82 PathProgramCache]: Analyzing trace with hash -2001183644, now seen corresponding path program 1 times [2020-09-25 11:59:53,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:59:53,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891357551] [2020-09-25 11:59:53,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:59:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:54,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:54,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:55,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:55,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:56,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:59,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:59,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 11:59:59,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:59:59,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 11:59:59,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:59,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:59,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:59:59,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 11:59:59,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-25 11:59:59,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:59:59,384 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:59:59,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:59:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:59,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:59,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:59,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:59:59,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:59,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-09-25 11:59:59,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:59,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:59,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:59,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:59,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 11:59:59,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:59,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:59:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:59,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:59,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:59,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:59,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:59,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:59:59,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:59,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:59,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:59,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:59,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:59,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:59,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:59:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:59,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:59,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:59,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:59,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:59,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:59:59,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:59,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:59,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:59,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:59:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:59,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:59,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:59,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:59,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:59,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:59:59,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:59,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:59,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:59,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:59,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:59:59,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:59,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:59:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:59,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:59,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:59,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:59,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:59,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:59:59,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:59,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:59,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:59:59,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:59,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:59:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:59,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:59,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:59,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:59:59,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:59,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:59:59,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:59,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:59,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:59,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:59,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:59:59,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:59:59,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 11:59:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:59,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:59,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:59,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:59:59,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:59,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:59:59,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:59,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:59,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:59:59,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:59,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 11:59:59,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:59,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:59:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:59,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:59,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:59,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:59:59,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:59,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:59:59,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:59,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:59,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:59:59,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:59:59,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 11:59:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:59,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:59,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:59,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:59,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:59,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:59:59,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:59,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:59,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:59:59,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:59:59,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:59:59,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:59:59,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 11:59:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:59:59,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:59:59,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:59:59,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:59:59,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:59:59,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:59:59,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:59:59,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:59:59,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:59:59,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:00,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:00,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:00,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:00:00,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891357551] [2020-09-25 12:00:00,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:00,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:00:00,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132226116] [2020-09-25 12:00:00,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:00:00,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:00,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:00:00,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:00:00,067 INFO L87 Difference]: Start difference. First operand 339 states and 380 transitions. Second operand 10 states. [2020-09-25 12:00:00,580 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:01,683 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:02,021 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:02,948 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:03,323 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:03,680 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:04,059 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 12:00:04,386 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:04,833 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:06,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:06,143 INFO L93 Difference]: Finished difference Result 985 states and 1262 transitions. [2020-09-25 12:00:06,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 12:00:06,144 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-09-25 12:00:06,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:06,152 INFO L225 Difference]: With dead ends: 985 [2020-09-25 12:00:06,152 INFO L226 Difference]: Without dead ends: 726 [2020-09-25 12:00:06,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 12:00:06,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2020-09-25 12:00:06,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 510. [2020-09-25 12:00:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2020-09-25 12:00:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 581 transitions. [2020-09-25 12:00:06,267 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 581 transitions. Word has length 157 [2020-09-25 12:00:06,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:06,268 INFO L479 AbstractCegarLoop]: Abstraction has 510 states and 581 transitions. [2020-09-25 12:00:06,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 12:00:06,268 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 581 transitions. [2020-09-25 12:00:06,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-25 12:00:06,273 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:00:06,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:00:06,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:00:06,274 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:00:06,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:00:06,274 INFO L82 PathProgramCache]: Analyzing trace with hash -537057348, now seen corresponding path program 1 times [2020-09-25 12:00:06,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:00:06,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211711307] [2020-09-25 12:00:06,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:00:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:06,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:06,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:07,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:08,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:11,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:11,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-25 12:00:11,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:00:11,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 12:00:11,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:11,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:11,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:00:11,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 12:00:11,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-25 12:00:11,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:11,719 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:11,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:11,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:11,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:11,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:11,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:11,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-09-25 12:00:11,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:11,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:11,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:11,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:11,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 12:00:11,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:12,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:12,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:12,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:12,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:12,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:12,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:12,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:12,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:12,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:12,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:12,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:12,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:12,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:12,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:12,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:12,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:12,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:12,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:12,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:12,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:12,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:12,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:12,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:12,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:12,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:12,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:12,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:00:12,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:12,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:12,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:12,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:12,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:12,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:12,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:12,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:12,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:12,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:12,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:12,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:12,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:12,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:12,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:12,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:12,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:12,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:12,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:12,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:12,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:12,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:12,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:12,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:12,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:12,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:12,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:12,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:12,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:12,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:00:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:12,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:12,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:12,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:00:12,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:12,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:00:12,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:12,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:12,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:12,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:12,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:00:12,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:12,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 12:00:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:12,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:12,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:12,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:12,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:00:12,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:00:12,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:00:12,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:12,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:00:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:00:12,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:00:12,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:12,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 12:00:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:12,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:12,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:12,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:12,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:12,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:12,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:12,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:12,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:12,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:12,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:12,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:12,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 12:00:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:12,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:12,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:12,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:12,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:12,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:00:12,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:12,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:00:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:12,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:00:12,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211711307] [2020-09-25 12:00:12,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:12,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 12:00:12,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829027537] [2020-09-25 12:00:12,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 12:00:12,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:12,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 12:00:12,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-25 12:00:12,272 INFO L87 Difference]: Start difference. First operand 510 states and 581 transitions. Second operand 12 states. [2020-09-25 12:00:12,911 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:14,228 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:14,532 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:14,881 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:15,236 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:15,530 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:16,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:16,275 INFO L93 Difference]: Finished difference Result 983 states and 1219 transitions. [2020-09-25 12:00:16,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 12:00:16,276 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 172 [2020-09-25 12:00:16,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:16,277 INFO L225 Difference]: With dead ends: 983 [2020-09-25 12:00:16,278 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 12:00:16,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=242, Invalid=570, Unknown=0, NotChecked=0, Total=812 [2020-09-25 12:00:16,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 12:00:16,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 12:00:16,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 12:00:16,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 12:00:16,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-09-25 12:00:16,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:16,283 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 12:00:16,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 12:00:16,283 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 12:00:16,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 12:00:16,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:00:16,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 12:00:16,480 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:16,652 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:16,839 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:17,001 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:17,346 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 6 [2020-09-25 12:00:17,521 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:17,690 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:17,844 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:18,010 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:18,172 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:18,348 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:18,629 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 6 [2020-09-25 12:00:18,791 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:18,944 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:19,111 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:19,270 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:19,433 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:19,592 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:19,758 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:19,920 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:20,249 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 12:00:20,570 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 12:00:20,906 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:21,246 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:21,584 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:21,920 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:22,244 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 12:00:22,578 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:22,916 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:23,059 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:23,221 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:23,376 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:23,529 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:23,686 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:23,835 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:23,989 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:24,148 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:24,311 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:24,468 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:24,615 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:24,768 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:24,926 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:25,079 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:25,238 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:25,388 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:25,541 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:25,698 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:25,859 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:26,023 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:26,171 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:26,325 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:26,488 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:26,653 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:26,816 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:26,978 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:27,132 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:27,296 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:27,450 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:27,620 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:27,891 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:28,144 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 12:00:28,399 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 12:00:28,819 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:00:29,256 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:29,537 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:29,956 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:00:30,210 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 12:00:30,556 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 12:00:30,904 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:31,233 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:00:31,488 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 12:00:31,828 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:32,098 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:32,369 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:32,701 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:00:33,048 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 12:00:33,319 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:33,591 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:33,862 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:34,118 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:34,280 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:34,428 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:34,590 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:34,743 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:34,896 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:35,054 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:35,216 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:35,378 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:35,541 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193