/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=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:44:22,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:44:22,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:44:22,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:44:22,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:44:22,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:44:22,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:44:22,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:44:22,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:44:22,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:44:22,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:44:22,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:44:22,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:44:22,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:44:22,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:44:22,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:44:22,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:44:22,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:44:22,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:44:22,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:44:22,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:44:22,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:44:22,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:44:22,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:44:22,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:44:22,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:44:22,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:44:22,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:44:22,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:44:22,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:44:22,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:44:22,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:44:22,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:44:22,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:44:22,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:44:22,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:44:22,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:44:22,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:44:22,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:44:22,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:44:22,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:44:22,532 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 09:44:22,562 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:44:22,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:44:22,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:44:22,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:44:22,564 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:44:22,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:44:22,565 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:44:22,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:44:22,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:44:22,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:44:22,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:44:22,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:44:22,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:44:22,566 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:44:22,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:44:22,567 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:44:22,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:44:22,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:44:22,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:44:22,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:44:22,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:44:22,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:44:22,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:44:22,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:44:22,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:44:22,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:44:22,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:44:22,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:44:22,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:44:22,569 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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;log-additional-information=true; [2020-09-25 09:44:23,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:44:23,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:44:23,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:44:23,097 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:44:23,097 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:44:23,098 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product51.cil.c [2020-09-25 09:44:23,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a085af84/e84e0cca7af64369a81fca25349f530e/FLAG0c266dec2 [2020-09-25 09:44:23,805 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:44:23,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product51.cil.c [2020-09-25 09:44:23,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a085af84/e84e0cca7af64369a81fca25349f530e/FLAG0c266dec2 [2020-09-25 09:44:24,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a085af84/e84e0cca7af64369a81fca25349f530e [2020-09-25 09:44:24,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:44:24,085 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:44:24,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:44:24,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:44:24,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:44:24,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:44:24" (1/1) ... [2020-09-25 09:44:24,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:24, skipping insertion in model container [2020-09-25 09:44:24,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:44:24" (1/1) ... [2020-09-25 09:44:24,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:44:24,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:44:24,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:44:24,551 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:44:24,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:44:24,770 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:44:24,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:24 WrapperNode [2020-09-25 09:44:24,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:44:24,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:44:24,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:44:24,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:44:24,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:24" (1/1) ... [2020-09-25 09:44:24,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:24" (1/1) ... [2020-09-25 09:44:24,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:24" (1/1) ... [2020-09-25 09:44:24,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:24" (1/1) ... [2020-09-25 09:44:24,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:24" (1/1) ... [2020-09-25 09:44:24,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:24" (1/1) ... [2020-09-25 09:44:24,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:24" (1/1) ... [2020-09-25 09:44:24,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:44:24,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:44:24,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:44:24,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:44:24,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:24" (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 09:44:24,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:44:24,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:44:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:44:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:44:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:44:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:44:24,974 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:44:24,975 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:44:24,975 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:44:24,975 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:44:24,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:44:24,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:44:24,976 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:44:24,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:44:24,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 09:44:24,977 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:44:24,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:44:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:44:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:44:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:44:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:44:24,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:44:24,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:44:24,979 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:44:24,979 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:44:24,980 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:44:24,980 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:44:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 09:44:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:44:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:44:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:44:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:44:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:44:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:44:24,982 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:44:24,982 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:44:24,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:44:24,982 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:44:24,982 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:44:24,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:44:24,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 09:44:24,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:44:24,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:44:24,985 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:44:24,985 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:44:24,985 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:44:24,985 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:44:24,985 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:44:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:44:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:44:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:44:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:44:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:44:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:44:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 09:44:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:44:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:44:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:44:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:44:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 09:44:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:44:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:44:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:44:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:44:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 09:44:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:44:24,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:44:24,990 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:44:24,990 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:44:24,991 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:44:24,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:44:24,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:44:24,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:44:24,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:44:24,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:44:24,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:44:24,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:44:24,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:44:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:44:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:44:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:44:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:44:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:44:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:44:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:44:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:44:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:44:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:44:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:44:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:44:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:44:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:44:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:44:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:44:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:44:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:44:26,254 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:44:26,255 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:44:26,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:44:26 BoogieIcfgContainer [2020-09-25 09:44:26,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:44:26,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:44:26,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:44:26,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:44:26,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:44:24" (1/3) ... [2020-09-25 09:44:26,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325168fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:44:26, skipping insertion in model container [2020-09-25 09:44:26,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:24" (2/3) ... [2020-09-25 09:44:26,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325168fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:44:26, skipping insertion in model container [2020-09-25 09:44:26,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:44:26" (3/3) ... [2020-09-25 09:44:26,272 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product51.cil.c [2020-09-25 09:44:26,283 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:44:26,295 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:44:26,317 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:44:26,351 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:44:26,351 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:44:26,351 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:44:26,351 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:44:26,351 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:44:26,351 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:44:26,351 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:44:26,352 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:44:26,378 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states. [2020-09-25 09:44:26,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 09:44:26,397 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:44:26,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:44:26,399 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:44:26,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:44:26,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1497316138, now seen corresponding path program 1 times [2020-09-25 09:44:26,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:44:26,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562271896] [2020-09-25 09:44:26,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:44:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:26,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:27,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:28,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:29,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:30,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:31,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:31,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 09:44:31,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:44:31,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-09-25 09:44:31,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:31,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:44:31,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 09:44:31,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 09:44:31,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 18 [2020-09-25 09:44:32,482 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:44:32,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:44:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:32,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:32,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:32,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:44:32,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-09-25 09:44:32,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:32,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 09:44:32,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:44:33,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:44:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:33,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:33,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:33,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:33,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:33,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:44:33,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:33,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:33,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:33,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:33,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:33,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:33,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:44:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:33,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:33,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:33,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:33,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:33,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:44:33,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:33,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:33,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:33,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:33,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:33,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:44:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:33,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:33,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:33,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:33,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:33,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 09:44:33,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:33,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:33,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:33,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:33,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:33,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:33,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:44:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:33,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:33,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:33,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:33,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:33,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:44:33,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:33,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:33,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:33,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:33,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:33,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:44:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:33,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:33,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:33,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:33,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:33,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:44:33,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:33,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:33,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:33,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:44:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:33,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:33,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:33,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:33,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:33,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:44:33,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:33,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:33,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:33,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:33,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:33,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:33,199 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 09:44:33,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562271896] [2020-09-25 09:44:33,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:44:33,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:44:33,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32439868] [2020-09-25 09:44:33,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:44:33,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:44:33,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:44:33,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:44:33,255 INFO L87 Difference]: Start difference. First operand 324 states. Second operand 8 states. [2020-09-25 09:44:33,975 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:44:35,246 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:35,529 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:44:35,902 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:44:36,282 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:44:36,624 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:44:37,390 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:44:37,688 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:38,069 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:39,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:44:39,523 INFO L93 Difference]: Finished difference Result 616 states and 771 transitions. [2020-09-25 09:44:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 09:44:39,525 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 09:44:39,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:44:39,562 INFO L225 Difference]: With dead ends: 616 [2020-09-25 09:44:39,562 INFO L226 Difference]: Without dead ends: 409 [2020-09-25 09:44:39,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:44:39,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-09-25 09:44:39,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 365. [2020-09-25 09:44:39,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2020-09-25 09:44:39,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 420 transitions. [2020-09-25 09:44:39,780 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 420 transitions. Word has length 142 [2020-09-25 09:44:39,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:44:39,781 INFO L479 AbstractCegarLoop]: Abstraction has 365 states and 420 transitions. [2020-09-25 09:44:39,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 09:44:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 420 transitions. [2020-09-25 09:44:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-25 09:44:39,787 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:44:39,788 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:44:39,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:44:39,789 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:44:39,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:44:39,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1692593188, now seen corresponding path program 1 times [2020-09-25 09:44:39,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:44:39,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069800641] [2020-09-25 09:44:39,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:44:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:39,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:40,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:40,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:40,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:44,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:44,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 09:44:44,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:44:44,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-25 09:44:44,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:44,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:44,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:44:44,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 09:44:44,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-25 09:44:44,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:44:45,205 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:44:45,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:44:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:44:45,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-09-25 09:44:45,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:45,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:45,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 09:44:45,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:45,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:44:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:45,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:44:45,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:45,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:45,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:45,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:45,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:44:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:45,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:45,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:45,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:45,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:45,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:44:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:45,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:44:45,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:45,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:45,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:45,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:45,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:44:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:45,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:44:45,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:45,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:45,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-25 09:44:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 09:44:45,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:44:45,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:45,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 09:44:45,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 09:44:45,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:45,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:44:45,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:44:45,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:45,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:45,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:44:45,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:45,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:45,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:45,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:45,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 09:44:45,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 09:44:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:44:45,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:44:45,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 09:44:45,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 09:44:45,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:44:45,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:45,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:44:45,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 09:44:45,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:44:45,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:44:45,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:45,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:44:45,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 09:44:45,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:44:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:44:45,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:45,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:44:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:44:45,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:44:45,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:44:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:45,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:45,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:44:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:44:45,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:45,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:45,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:44:45,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:45,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:45,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-25 09:44:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:45,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:45,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:44:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:45,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:44:45,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 09:44:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:45,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:45,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:45,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:45,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:45,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:45,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:45,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:45,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:45,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:44:45,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:45,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:46,009 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:44:46,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069800641] [2020-09-25 09:44:46,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:44:46,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 09:44:46,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331522525] [2020-09-25 09:44:46,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 09:44:46,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:44:46,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 09:44:46,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 09:44:46,016 INFO L87 Difference]: Start difference. First operand 365 states and 420 transitions. Second operand 11 states. [2020-09-25 09:44:46,549 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:44:47,566 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:47,913 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:44:48,210 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:44:48,551 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:48,936 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:44:49,249 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:49,903 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:50,253 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:44:50,686 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:51,095 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:44:51,454 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:54,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:44:54,443 INFO L93 Difference]: Finished difference Result 1082 states and 1437 transitions. [2020-09-25 09:44:54,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 09:44:54,444 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 205 [2020-09-25 09:44:54,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:44:54,454 INFO L225 Difference]: With dead ends: 1082 [2020-09-25 09:44:54,454 INFO L226 Difference]: Without dead ends: 827 [2020-09-25 09:44:54,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2020-09-25 09:44:54,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2020-09-25 09:44:54,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 627. [2020-09-25 09:44:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-09-25 09:44:54,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 736 transitions. [2020-09-25 09:44:54,627 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 736 transitions. Word has length 205 [2020-09-25 09:44:54,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:44:54,628 INFO L479 AbstractCegarLoop]: Abstraction has 627 states and 736 transitions. [2020-09-25 09:44:54,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 09:44:54,629 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 736 transitions. [2020-09-25 09:44:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-25 09:44:54,633 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:44:54,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:44:54,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:44:54,634 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:44:54,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:44:54,634 INFO L82 PathProgramCache]: Analyzing trace with hash 726581765, now seen corresponding path program 1 times [2020-09-25 09:44:54,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:44:54,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117074348] [2020-09-25 09:44:54,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:44:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:54,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:54,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:55,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:59,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:59,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-25 09:44:59,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:44:59,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 09:44:59,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:59,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:44:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:44:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-25 09:44:59,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:00,027 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:45:00,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:45:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:00,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:00,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:45:00,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:00,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-09-25 09:45:00,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:00,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:00,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:45:00,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:00,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:45:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:00,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:00,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:00,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:00,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:00,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:00,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:00,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:00,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:45:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:00,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:00,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:00,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:00,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:00,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:00,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:00,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:00,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:00,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:45:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:00,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:00,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:00,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:00,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:45:00,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:00,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:00,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:45:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:00,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:00,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:00,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:00,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:00,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:00,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:00,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:00,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 09:45:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:00,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:00,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:45:00,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:45:00,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 09:45:00,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:00,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:00,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:00,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:00,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 09:45:00,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:00,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:00,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:00,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:45:00,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:45:00,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 09:45:00,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:00,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:00,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:45:00,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:45:00,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:45:00,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:00,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:00,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:00,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:45:00,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:00,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 09:45:00,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:00,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:45:00,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:00,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:45:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:00,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:00,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:45:00,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:00,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:45:00,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:00,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:00,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:00,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:00,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:00,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:00,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:45:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:00,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:00,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:45:00,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:00,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:00,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:00,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:00,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:45:00,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:00,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:00,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 09:45:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:00,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:00,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:00,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:00,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:45:00,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:00,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:00,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:00,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:00,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:00,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:00,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 09:45:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:00,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:00,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:00,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:00,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:00,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:00,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:00,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:00,797 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 09:45:00,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117074348] [2020-09-25 09:45:00,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:45:00,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 09:45:00,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023926885] [2020-09-25 09:45:00,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 09:45:00,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:45:00,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 09:45:00,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2020-09-25 09:45:00,801 INFO L87 Difference]: Start difference. First operand 627 states and 736 transitions. Second operand 14 states. [2020-09-25 09:45:01,505 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:03,018 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:03,362 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:45:03,704 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:04,076 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:45:04,409 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:45:04,763 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:05,136 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:05,500 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:45:05,805 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:45:06,147 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:45:06,485 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:06,821 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:07,136 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:07,733 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:08,040 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:08,369 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:08,722 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:45:09,123 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:09,515 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:09,839 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:12,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:45:12,033 INFO L93 Difference]: Finished difference Result 1899 states and 2511 transitions. [2020-09-25 09:45:12,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 09:45:12,033 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 181 [2020-09-25 09:45:12,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:45:12,052 INFO L225 Difference]: With dead ends: 1899 [2020-09-25 09:45:12,052 INFO L226 Difference]: Without dead ends: 1291 [2020-09-25 09:45:12,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=210, Invalid=1050, Unknown=0, NotChecked=0, Total=1260 [2020-09-25 09:45:12,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2020-09-25 09:45:12,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1085. [2020-09-25 09:45:12,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1085 states. [2020-09-25 09:45:12,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1270 transitions. [2020-09-25 09:45:12,247 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1270 transitions. Word has length 181 [2020-09-25 09:45:12,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:45:12,248 INFO L479 AbstractCegarLoop]: Abstraction has 1085 states and 1270 transitions. [2020-09-25 09:45:12,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 09:45:12,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1270 transitions. [2020-09-25 09:45:12,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-25 09:45:12,252 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:45:12,253 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:45:12,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:45:12,253 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:45:12,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:45:12,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1422185412, now seen corresponding path program 1 times [2020-09-25 09:45:12,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:45:12,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [874224210] [2020-09-25 09:45:12,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:45:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:12,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:13,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:13,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-09-25 09:45:13,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:13,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1250 [2020-09-25 09:45:13,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:13,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:13,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 09:45:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:45:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-25 09:45:13,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:13,870 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:45:13,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:45:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:13,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:14,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:14,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:45:14,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:14,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-09-25 09:45:14,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:14,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:14,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:14,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:14,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:45:14,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:14,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:45:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:14,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:14,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:14,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:14,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:14,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:14,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:14,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:14,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:14,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:45:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:14,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:14,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:14,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:14,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:14,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:14,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:14,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:14,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:14,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:14,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:14,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:14,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:45:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:14,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:14,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:14,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:14,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:14,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:45:14,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:14,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:14,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:14,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:14,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:45:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:14,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:14,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:14,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:14,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:14,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:14,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:14,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:14,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:14,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:14,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:14,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:14,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:45:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:14,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:14,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:14,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:45:14,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:14,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:45:14,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:14,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:45:14,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:14,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 09:45:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:14,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:14,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:14,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:45:14,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:14,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 09:45:14,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:14,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:14,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:14,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 09:45:14,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 09:45:14,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:14,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:14,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:14,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:14,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:45:14,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:14,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 09:45:14,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:14,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 09:45:14,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:14,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:14,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:14,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:14,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:45:14,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:14,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:45:14,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:14,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:14,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:14,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:14,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:45:14,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:14,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:45:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:14,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:14,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:14,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:45:14,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:14,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:14,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:14,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:14,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:14,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:14,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 09:45:14,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:14,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:45:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:14,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:14,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:14,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:45:14,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:14,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:45:14,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:14,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:14,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:45:14,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:14,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-25 09:45:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:14,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:14,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:14,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:14,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:14,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:14,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:14,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:14,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:14,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:14,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:14,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:14,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-25 09:45:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:14,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:14,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:14,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:14,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:14,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:45:14,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:14,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:14,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:14,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:14,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:14,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:14,408 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 09:45:14,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [874224210] [2020-09-25 09:45:14,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:45:14,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 09:45:14,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665876440] [2020-09-25 09:45:14,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 09:45:14,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:45:14,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 09:45:14,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:45:14,411 INFO L87 Difference]: Start difference. First operand 1085 states and 1270 transitions. Second operand 7 states.