/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 SequenceOfStatements --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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 18:01:59,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 18:01:59,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 18:01:59,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 18:01:59,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 18:01:59,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 18:01:59,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 18:01:59,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 18:01:59,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 18:01:59,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 18:01:59,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 18:01:59,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 18:01:59,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 18:01:59,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 18:01:59,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 18:01:59,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 18:01:59,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 18:01:59,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 18:01:59,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 18:01:59,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 18:01:59,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 18:01:59,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 18:01:59,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 18:01:59,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 18:01:59,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 18:01:59,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 18:01:59,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 18:01:59,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 18:01:59,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 18:01:59,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 18:01:59,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 18:01:59,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 18:01:59,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 18:01:59,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 18:01:59,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 18:01:59,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 18:01:59,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 18:01:59,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 18:01:59,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 18:01:59,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 18:01:59,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 18:01:59,547 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 [2020-10-12 18:01:59,592 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 18:01:59,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 18:01:59,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 18:01:59,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 18:01:59,596 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 18:01:59,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 18:01:59,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 18:01:59,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 18:01:59,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 18:01:59,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 18:01:59,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 18:01:59,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 18:01:59,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 18:01:59,600 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 18:01:59,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 18:01:59,600 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 18:01:59,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 18:01:59,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 18:01:59,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 18:01:59,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 18:01:59,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 18:01:59,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:01:59,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 18:01:59,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 18:01:59,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 18:01:59,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 18:01:59,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 18:01:59,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 18:01:59,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 18:01:59,603 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 -> SequenceOfStatements 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 18:01:59,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 18:01:59,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 18:01:59,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 18:01:59,979 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 18:01:59,980 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 18:01:59,980 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-10-12 18:02:00,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95b2c761f/7b5170be03a8462a9095d414e57f8a81/FLAG2a4c8d08c [2020-10-12 18:02:00,620 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 18:02:00,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-10-12 18:02:00,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95b2c761f/7b5170be03a8462a9095d414e57f8a81/FLAG2a4c8d08c [2020-10-12 18:02:00,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95b2c761f/7b5170be03a8462a9095d414e57f8a81 [2020-10-12 18:02:00,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 18:02:00,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 18:02:00,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 18:02:00,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 18:02:00,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 18:02:00,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:02:00" (1/1) ... [2020-10-12 18:02:00,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c86c800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:00, skipping insertion in model container [2020-10-12 18:02:00,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:02:00" (1/1) ... [2020-10-12 18:02:00,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 18:02:00,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 18:02:01,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:02:01,382 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 18:02:01,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:02:01,544 INFO L208 MainTranslator]: Completed translation [2020-10-12 18:02:01,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:01 WrapperNode [2020-10-12 18:02:01,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 18:02:01,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 18:02:01,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 18:02:01,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 18:02:01,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:01" (1/1) ... [2020-10-12 18:02:01,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:01" (1/1) ... [2020-10-12 18:02:01,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:01" (1/1) ... [2020-10-12 18:02:01,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:01" (1/1) ... [2020-10-12 18:02:01,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:01" (1/1) ... [2020-10-12 18:02:01,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:01" (1/1) ... [2020-10-12 18:02:01,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:01" (1/1) ... [2020-10-12 18:02:01,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 18:02:01,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 18:02:01,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 18:02:01,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 18:02:01,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:01" (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 [2020-10-12 18:02:01,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 18:02:01,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 18:02:01,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 18:02:01,701 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 18:02:01,701 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 18:02:01,701 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 18:02:01,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 18:02:01,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 18:02:01,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 18:02:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-12 18:02:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-12 18:02:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 18:02:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 18:02:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 18:02:01,702 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 18:02:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 18:02:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 18:02:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 18:02:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 18:02:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 18:02:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 18:02:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 18:02:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 18:02:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 18:02:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 18:02:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 18:02:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-12 18:02:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 18:02:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 18:02:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 18:02:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 18:02:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 18:02:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-12 18:02:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 18:02:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 18:02:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 18:02:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 18:02:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 18:02:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 18:02:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 18:02:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 18:02:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 18:02:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 18:02:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 18:02:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 18:02:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 18:02:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 18:02:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-12 18:02:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 18:02:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 18:02:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 18:02:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-12 18:02:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 18:02:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 18:02:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 18:02:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 18:02:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 18:02:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 18:02:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 18:02:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 18:02:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 18:02:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 18:02:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 18:02:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 18:02:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 18:02:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 18:02:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 18:02:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 18:02:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 18:02:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 18:02:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 18:02:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 18:02:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 18:02:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 18:02:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 18:02:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 18:02:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 18:02:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 18:02:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 18:02:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 18:02:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-12 18:02:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-12 18:02:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 18:02:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 18:02:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 18:02:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 18:02:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 18:02:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 18:02:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 18:02:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 18:02:02,846 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 18:02:02,846 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 18:02:02,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:02:02 BoogieIcfgContainer [2020-10-12 18:02:02,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 18:02:02,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 18:02:02,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 18:02:02,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 18:02:02,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:02:00" (1/3) ... [2020-10-12 18:02:02,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9d45e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:02:02, skipping insertion in model container [2020-10-12 18:02:02,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:02:01" (2/3) ... [2020-10-12 18:02:02,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9d45e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:02:02, skipping insertion in model container [2020-10-12 18:02:02,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:02:02" (3/3) ... [2020-10-12 18:02:02,863 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product41.cil.c [2020-10-12 18:02:02,874 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 18:02:02,883 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 18:02:02,898 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 18:02:02,919 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 18:02:02,919 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 18:02:02,919 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 18:02:02,919 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 18:02:02,920 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 18:02:02,920 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 18:02:02,920 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 18:02:02,920 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 18:02:02,945 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2020-10-12 18:02:02,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-12 18:02:02,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:02:02,956 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] [2020-10-12 18:02:02,957 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:02:02,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:02:02,962 INFO L82 PathProgramCache]: Analyzing trace with hash -219528545, now seen corresponding path program 1 times [2020-10-12 18:02:02,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:02:02,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313532147] [2020-10-12 18:02:02,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:02:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:03,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:03,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:03,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:04,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:06,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:07,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:07,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 18:02:07,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:02:07,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4528 [2020-10-12 18:02:07,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:02:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:02:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 18:02:07,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-12 18:02:08,408 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:02:08,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:02:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:08,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:08,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:08,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:08,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:08,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-12 18:02:08,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:08,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:08,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:08,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:02:08,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:02:08,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:02:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:08,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:08,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:08,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:08,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:08,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:02:08,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:08,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:08,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:02:08,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:02:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:08,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:08,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:08,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:08,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:08,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:02:08,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:08,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:08,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:08,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:02:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:08,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:08,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:08,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:08,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:08,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:02:08,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:08,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:02:08,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:08,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:02:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:08,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:08,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:08,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:08,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:08,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:02:08,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:08,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:08,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:08,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:08,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:08,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:02:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:08,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:08,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:08,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:08,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:08,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:02:08,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:08,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:08,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:08,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:02:08,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:02:08,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 18:02:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:08,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:08,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:08,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:08,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:08,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:02:08,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:02:08,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:08,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:02:08,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:02:08,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313532147] [2020-10-12 18:02:08,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:02:08,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 18:02:08,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178033978] [2020-10-12 18:02:08,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 18:02:08,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:02:08,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 18:02:08,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:02:08,794 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 7 states. [2020-10-12 18:02:09,374 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:02:10,449 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:02:10,749 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:02:11,012 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:02:11,774 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:02:12,032 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:02:12,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:02:12,912 INFO L93 Difference]: Finished difference Result 363 states and 497 transitions. [2020-10-12 18:02:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 18:02:12,917 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-12 18:02:12,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:02:12,941 INFO L225 Difference]: With dead ends: 363 [2020-10-12 18:02:12,942 INFO L226 Difference]: Without dead ends: 221 [2020-10-12 18:02:12,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:02:12,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-12 18:02:13,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 188. [2020-10-12 18:02:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-10-12 18:02:13,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 235 transitions. [2020-10-12 18:02:13,053 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 235 transitions. Word has length 46 [2020-10-12 18:02:13,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:02:13,054 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 235 transitions. [2020-10-12 18:02:13,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 18:02:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 235 transitions. [2020-10-12 18:02:13,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-12 18:02:13,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:02:13,060 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] [2020-10-12 18:02:13,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 18:02:13,060 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:02:13,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:02:13,061 INFO L82 PathProgramCache]: Analyzing trace with hash -2143209999, now seen corresponding path program 1 times [2020-10-12 18:02:13,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:02:13,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636162187] [2020-10-12 18:02:13,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:02:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:13,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:13,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:13,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 18:02:18,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:02:18,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 18:02:18,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:02:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:02:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-12 18:02:18,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:18,366 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:02:18,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:02:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:18,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:18,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-12 18:02:18,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:18,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:02:18,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:02:18,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:02:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:18,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:18,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:02:18,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:18,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:18,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:18,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:18,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:02:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:18,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:18,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:02:18,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:18,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:18,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:18,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:18,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:02:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:18,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:18,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:02:18,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:18,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:18,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:02:18,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:18,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:02:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:18,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:18,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:18,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:18,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:18,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:18,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:18,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 18:02:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:02:18,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:02:18,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 18:02:18,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:02:18,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:02:18,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:02:18,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:18,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:02:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:02:18,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:18,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:02:18,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:02:18,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 18:02:18,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:02:18,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:18,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:02:18,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:18,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:02:18,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:02:18,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:18,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:02:18,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:18,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:02:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:02:18,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:18,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:02:18,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:18,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 18:02:18,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:18,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:18,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:02:18,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:18,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:18,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:18,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:18,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:18,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:02:18,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:18,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:18,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:02:18,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:18,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:18,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:18,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:18,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:02:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:18,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:18,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:02:18,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:18,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:18,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 18:02:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:18,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:18,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:02:18,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:02:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:02:18,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:18,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 18:02:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:18,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:18,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:18,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:18,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:18,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:18,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:18,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:18,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:02:18,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:18,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:02:18,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636162187] [2020-10-12 18:02:18,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:02:18,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 18:02:18,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409483408] [2020-10-12 18:02:18,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 18:02:18,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:02:18,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 18:02:18,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:02:18,765 INFO L87 Difference]: Start difference. First operand 188 states and 235 transitions. Second operand 11 states. [2020-10-12 18:02:19,305 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:02:20,042 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:02:20,348 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:02:20,650 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:02:20,920 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:02:21,222 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:02:21,494 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:02:21,727 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:02:22,103 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:02:22,465 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:02:22,728 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:02:24,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:02:24,117 INFO L93 Difference]: Finished difference Result 557 states and 813 transitions. [2020-10-12 18:02:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 18:02:24,118 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 85 [2020-10-12 18:02:24,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:02:24,125 INFO L225 Difference]: With dead ends: 557 [2020-10-12 18:02:24,125 INFO L226 Difference]: Without dead ends: 393 [2020-10-12 18:02:24,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2020-10-12 18:02:24,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2020-10-12 18:02:24,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 323. [2020-10-12 18:02:24,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-10-12 18:02:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 411 transitions. [2020-10-12 18:02:24,218 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 411 transitions. Word has length 85 [2020-10-12 18:02:24,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:02:24,219 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 411 transitions. [2020-10-12 18:02:24,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 18:02:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 411 transitions. [2020-10-12 18:02:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-12 18:02:24,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:02:24,226 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 18:02:24,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 18:02:24,227 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:02:24,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:02:24,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1381641876, now seen corresponding path program 1 times [2020-10-12 18:02:24,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:02:24,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781763742] [2020-10-12 18:02:24,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:02:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:24,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:24,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:24,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:24,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:24,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:24,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-12 18:02:29,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:02:29,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 18:02:29,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:02:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:02:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:02:29,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:02:29,553 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:02:29,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:02:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:29,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 18:02:29,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:29,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:29,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:02:29,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:29,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:02:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:29,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:29,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:29,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:29,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:02:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:29,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:29,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:29,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:29,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:29,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:02:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:29,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:02:29,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:29,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:29,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:02:29,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:02:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:29,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:29,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:29,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:29,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:29,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 18:02:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:29,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:02:29,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:02:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:02:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:02:29,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 18:02:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 18:02:29,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:02:29,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:02:29,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:02:29,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:02:29,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:02:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:02:29,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:02:29,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:29,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:29,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:02:29,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:29,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:29,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:29,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:29,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:29,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 18:02:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:02:29,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:02:29,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 18:02:29,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:02:29,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 18:02:29,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:02:29,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:02:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:02:29,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:02:29,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:02:29,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:29,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 18:02:29,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:02:29,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:29,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:29,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:02:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:02:29,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:02:29,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 18:02:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:29,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:02:29,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:29,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:29,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:29,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:29,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:29,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:29,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:29,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:29,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:29,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:02:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:29,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:02:29,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:29,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 18:02:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:29,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:29,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:02:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:29,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 18:02:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:29,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:29,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:29,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:29,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:29,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:29,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:02:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:29,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 18:02:29,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781763742] [2020-10-12 18:02:29,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:02:29,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 18:02:29,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939572700] [2020-10-12 18:02:29,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 18:02:29,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:02:29,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 18:02:29,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:02:29,969 INFO L87 Difference]: Start difference. First operand 323 states and 411 transitions. Second operand 13 states. [2020-10-12 18:02:30,578 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:02:31,184 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:02:31,731 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:02:32,018 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:02:32,330 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:02:32,588 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:02:32,947 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:02:33,210 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:02:33,502 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:02:33,741 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:02:34,644 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:02:34,888 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:02:35,134 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:02:35,376 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:02:35,847 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-10-12 18:02:36,702 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-10-12 18:02:37,235 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-10-12 18:02:37,726 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-10-12 18:02:38,188 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-10-12 18:02:39,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:02:39,630 INFO L93 Difference]: Finished difference Result 861 states and 1273 transitions. [2020-10-12 18:02:39,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 18:02:39,630 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 112 [2020-10-12 18:02:39,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:02:39,639 INFO L225 Difference]: With dead ends: 861 [2020-10-12 18:02:39,639 INFO L226 Difference]: Without dead ends: 552 [2020-10-12 18:02:39,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 18:02:39,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-10-12 18:02:39,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 459. [2020-10-12 18:02:39,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-10-12 18:02:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 606 transitions. [2020-10-12 18:02:39,791 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 606 transitions. Word has length 112 [2020-10-12 18:02:39,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:02:39,792 INFO L479 AbstractCegarLoop]: Abstraction has 459 states and 606 transitions. [2020-10-12 18:02:39,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 18:02:39,792 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 606 transitions. [2020-10-12 18:02:39,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-12 18:02:39,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:02:39,795 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 18:02:39,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 18:02:39,796 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:02:39,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:02:39,796 INFO L82 PathProgramCache]: Analyzing trace with hash -104099919, now seen corresponding path program 1 times [2020-10-12 18:02:39,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:02:39,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1549319805] [2020-10-12 18:02:39,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:02:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:39,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:39,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:39,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:39,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:39,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:40,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:40,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:40,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:40,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:41,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:44,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:44,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:02:44,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 18:02:44,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-12 18:02:44,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:44,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 18:02:44,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:02:44,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-12 18:02:44,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,155 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:02:45,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:02:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:45,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 18:02:45,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:45,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:02:45,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:45,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:02:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:45,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:02:45,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:45,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:02:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:45,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:45,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:45,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:02:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:45,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:45,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:45,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:02:45,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:45,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:02:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:45,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:02:45,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:45,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:45,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 18:02:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:45,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:02:45,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:02:45,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:02:45,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:02:45,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 18:02:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 18:02:45,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:02:45,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 18:02:45,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:02:45,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 18:02:45,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:02:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:02:45,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:02:45,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:02:45,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 18:02:45,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:45,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:45,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:02:45,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:45,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 18:02:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 18:02:45,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:02:45,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:02:45,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:02:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 18:02:45,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:02:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:02:45,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:02:45,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:02:45,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 18:02:45,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:45,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:02:45,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:02:45,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:02:45,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 18:02:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:02:45,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:02:45,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:02:45,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:45,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 18:02:45,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:02:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:02:45,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:02:45,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:45,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:02:45,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:45,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:02:45,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:45,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:45,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 18:02:45,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:02:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:02:45,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:02:45,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:45,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 18:02:45,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:45,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:02:45,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:02:45,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:45,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:45,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:45,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:02:45,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:45,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:45,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:45,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:02:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:45,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:45,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:45,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:45,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:45,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 18:02:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:45,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:02:45,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:02:45,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:02:45,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 18:02:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:45,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:45,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:45,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:45,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:45,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:45,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:45,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:45,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:02:45,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:45,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 18:02:45,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1549319805] [2020-10-12 18:02:45,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:02:45,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 18:02:45,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134000840] [2020-10-12 18:02:45,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 18:02:45,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:02:45,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 18:02:45,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-10-12 18:02:45,737 INFO L87 Difference]: Start difference. First operand 459 states and 606 transitions. Second operand 16 states. [2020-10-12 18:02:46,344 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:02:46,945 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:02:47,314 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:02:47,809 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-10-12 18:02:48,283 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-10-12 18:02:48,527 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:02:49,017 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 188 [2020-10-12 18:02:49,486 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 188 [2020-10-12 18:02:50,483 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:02:50,727 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:02:51,232 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-10-12 18:02:51,702 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-10-12 18:02:52,135 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:02:52,388 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:02:52,661 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:02:52,942 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 18:02:54,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:02:54,656 INFO L93 Difference]: Finished difference Result 1126 states and 1772 transitions. [2020-10-12 18:02:54,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 18:02:54,657 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 131 [2020-10-12 18:02:54,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:02:54,666 INFO L225 Difference]: With dead ends: 1126 [2020-10-12 18:02:54,666 INFO L226 Difference]: Without dead ends: 745 [2020-10-12 18:02:54,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 53 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=311, Invalid=1329, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 18:02:54,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-10-12 18:02:54,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 636. [2020-10-12 18:02:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2020-10-12 18:02:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 901 transitions. [2020-10-12 18:02:54,796 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 901 transitions. Word has length 131 [2020-10-12 18:02:54,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:02:54,797 INFO L479 AbstractCegarLoop]: Abstraction has 636 states and 901 transitions. [2020-10-12 18:02:54,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 18:02:54,797 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 901 transitions. [2020-10-12 18:02:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-12 18:02:54,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:02:54,802 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 18:02:54,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 18:02:54,802 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:02:54,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:02:54,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1742882784, now seen corresponding path program 1 times [2020-10-12 18:02:54,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:02:54,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276786624] [2020-10-12 18:02:54,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:02:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:54,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:54,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:54,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:55,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:55,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:55,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:55,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:58,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:58,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:58,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:58,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:58,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-12 18:02:58,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 18:02:58,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3945 [2020-10-12 18:02:58,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:02:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-12 18:02:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 18:02:58,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:59,054 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:02:59,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:02:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 18:02:59,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:02:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:59,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:02:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:59,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:02:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:02:59,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:02:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:02:59,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 18:02:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 18:02:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 18:02:59,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:02:59,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:59,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 18:02:59,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:02:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:02:59,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 18:02:59,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:59,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 18:02:59,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:02:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:02:59,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:02:59,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:02:59,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:59,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:02:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:02:59,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:02:59,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:59,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 18:02:59,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:02:59,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:02:59,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:02:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:02:59,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:02:59,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 18:02:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:02:59,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:02:59,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:59,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:02:59,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 18:02:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 18:02:59,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:02:59,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-12 18:02:59,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:02:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:02:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 18:02:59,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:02:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:02:59,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 18:02:59,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:02:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:02:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-12 18:02:59,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:02:59,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:02:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:02:59,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:02:59,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:59,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 18:02:59,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:02:59,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:02:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:02:59,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:02:59,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 18:02:59,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:02:59,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:02:59,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:02:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 18:02:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:02:59,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:02:59,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:02:59,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:02:59,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 18:02:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:02:59,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:02:59,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 18:02:59,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:02:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:02:59,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:02:59,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:02:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:02:59,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 18:02:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:02:59,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-12 18:02:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:02:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-12 18:02:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:02:59,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:02:59,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:02:59,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:02:59,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:02:59,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:02:59,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:02:59,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:02:59,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:02:59,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:02:59,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:02:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-12 18:02:59,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276786624] [2020-10-12 18:02:59,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:02:59,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 18:02:59,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960503858] [2020-10-12 18:02:59,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 18:02:59,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:02:59,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 18:02:59,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:02:59,786 INFO L87 Difference]: Start difference. First operand 636 states and 901 transitions. Second operand 9 states. [2020-10-12 18:03:01,122 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:03:02,028 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:03:02,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:03:02,872 INFO L93 Difference]: Finished difference Result 1015 states and 1515 transitions. [2020-10-12 18:03:02,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 18:03:02,873 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 196 [2020-10-12 18:03:02,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:03:02,876 INFO L225 Difference]: With dead ends: 1015 [2020-10-12 18:03:02,877 INFO L226 Difference]: Without dead ends: 457 [2020-10-12 18:03:02,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-10-12 18:03:02,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-10-12 18:03:02,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 401. [2020-10-12 18:03:02,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-12 18:03:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 487 transitions. [2020-10-12 18:03:02,961 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 487 transitions. Word has length 196 [2020-10-12 18:03:02,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:03:02,962 INFO L479 AbstractCegarLoop]: Abstraction has 401 states and 487 transitions. [2020-10-12 18:03:02,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 18:03:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 487 transitions. [2020-10-12 18:03:02,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-12 18:03:02,966 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:03:02,966 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-10-12 18:03:02,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 18:03:02,966 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:03:02,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:03:02,967 INFO L82 PathProgramCache]: Analyzing trace with hash 52261224, now seen corresponding path program 2 times [2020-10-12 18:03:02,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:03:02,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [477410836] [2020-10-12 18:03:02,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:03:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:03,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:03,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-12 18:03:03,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 18:03:03,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 718 [2020-10-12 18:03:03,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:03,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:03,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 18:03:03,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 18:03:03,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:03,928 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:03:03,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:03:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:03,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:03,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:03,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:03,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 18:03:03,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:03,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:03:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:03,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:03,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:03,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:03,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:03,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:03,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:03,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:03,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:03,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:03,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:03:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:03,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:03,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:03,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:03,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:03,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:03,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:03,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:03,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:03,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:03,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:03,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:03,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:03,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:03,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:03,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:03,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:03,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:03,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:03,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:03,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:03:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:03,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:03,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:03,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:03,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:03,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:03,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:03,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:03,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:03,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:03,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 18:03:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:03,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:03,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:03,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:03,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:03,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:03,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:03,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:04,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 18:03:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 18:03:04,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:04,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:04,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 18:03:04,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:04,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:03:04,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:04,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:04,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:03:04,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:04,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:04,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:04,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:04,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 18:03:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 18:03:04,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:03:04,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:04,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:03:04,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:03:04,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:04,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:03:04,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:03:04,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 18:03:04,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:04,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:03:04,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:04,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:04,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:03:04,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:04,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:04,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:03:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:03:04,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:03:04,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:04,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:03:04,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:04,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:04,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:04,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:04,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:04,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:04,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:04,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:04,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 18:03:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:03:04,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:03:04,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:04,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:03:04,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:04,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:04,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:04,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:04,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 18:03:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:03:04,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:03:04,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 18:03:04,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:04,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:04,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:04,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:04,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:03:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:03:04,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:04,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:04,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:04,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:04,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:04,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:04,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 18:03:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:04,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:04,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:04,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:04,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 18:03:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:04,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:04,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:04,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:04,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 18:03:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:04,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:04,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:04,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:04,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:04,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:04,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:04,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:04,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:04,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:04,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:03:04,260 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-10-12 18:03:04,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [477410836] [2020-10-12 18:03:04,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:03:04,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 18:03:04,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419110893] [2020-10-12 18:03:04,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 18:03:04,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:03:04,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 18:03:04,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-12 18:03:04,263 INFO L87 Difference]: Start difference. First operand 401 states and 487 transitions. Second operand 8 states. [2020-10-12 18:03:04,704 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:03:05,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:03:05,884 INFO L93 Difference]: Finished difference Result 800 states and 1029 transitions. [2020-10-12 18:03:05,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 18:03:05,885 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2020-10-12 18:03:05,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:03:05,893 INFO L225 Difference]: With dead ends: 800 [2020-10-12 18:03:05,893 INFO L226 Difference]: Without dead ends: 423 [2020-10-12 18:03:05,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:03:05,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-10-12 18:03:05,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 401. [2020-10-12 18:03:05,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-10-12 18:03:05,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 480 transitions. [2020-10-12 18:03:05,993 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 480 transitions. Word has length 158 [2020-10-12 18:03:05,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:03:05,994 INFO L479 AbstractCegarLoop]: Abstraction has 401 states and 480 transitions. [2020-10-12 18:03:05,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 18:03:05,994 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 480 transitions. [2020-10-12 18:03:05,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 18:03:05,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:03:05,997 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 18:03:05,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 18:03:05,998 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:03:05,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:03:05,998 INFO L82 PathProgramCache]: Analyzing trace with hash 293080888, now seen corresponding path program 1 times [2020-10-12 18:03:05,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:03:06,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63260747] [2020-10-12 18:03:06,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:03:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-12 18:03:06,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:03:06,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-12 18:03:06,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 18:03:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-12 18:03:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,540 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:03:06,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:03:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:06,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:03:06,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:03:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:06,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:03:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:06,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:06,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:03:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:06,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 18:03:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:06,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:06,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:06,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:03:06,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 18:03:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 18:03:06,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:03:06,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-12 18:03:06,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:03:06,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:03:06,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:03:06,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:06,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:03:06,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 18:03:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:03:06,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:03:06,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 18:03:06,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:06,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:03:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:06,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 18:03:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:03:06,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:06,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:06,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 18:03:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:03:06,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:03:06,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:03:06,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 18:03:06,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:06,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:03:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:03:06,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:06,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:06,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 18:03:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 18:03:06,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:06,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 18:03:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:06,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 18:03:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:06,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:06,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 18:03:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 18:03:06,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:03:06,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 18:03:06,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 18:03:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:03:06,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:03:06,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 18:03:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:06,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:06,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 18:03:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:03:06,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:03:06,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:03:06,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:03:06,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:03:06,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:03:06,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:03:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:03:06,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:03:06,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:03:06,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:03:06,777 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-12 18:03:06,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63260747] [2020-10-12 18:03:06,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:03:06,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 18:03:06,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330122899] [2020-10-12 18:03:06,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 18:03:06,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:03:06,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 18:03:06,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:03:06,779 INFO L87 Difference]: Start difference. First operand 401 states and 480 transitions. Second operand 7 states. [2020-10-12 18:03:07,193 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:03:08,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:03:08,105 INFO L93 Difference]: Finished difference Result 607 states and 697 transitions. [2020-10-12 18:03:08,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 18:03:08,105 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 159 [2020-10-12 18:03:08,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:03:08,109 INFO L225 Difference]: With dead ends: 607 [2020-10-12 18:03:08,109 INFO L226 Difference]: Without dead ends: 352 [2020-10-12 18:03:08,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-12 18:03:08,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-10-12 18:03:08,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 338. [2020-10-12 18:03:08,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-12 18:03:08,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 378 transitions. [2020-10-12 18:03:08,178 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 378 transitions. Word has length 159 [2020-10-12 18:03:08,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:03:08,181 INFO L479 AbstractCegarLoop]: Abstraction has 338 states and 378 transitions. [2020-10-12 18:03:08,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 18:03:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 378 transitions. [2020-10-12 18:03:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-12 18:03:08,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:03:08,184 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-10-12 18:03:08,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 18:03:08,184 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:03:08,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:03:08,184 INFO L82 PathProgramCache]: Analyzing trace with hash 2141115904, now seen corresponding path program 1 times [2020-10-12 18:03:08,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:03:08,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1133056022] [2020-10-12 18:03:08,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:03:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 18:03:08,222 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 18:03:08,222 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 18:03:08,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 18:03:08,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 06:03:08 BoogieIcfgContainer [2020-10-12 18:03:08,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 18:03:08,279 INFO L168 Benchmark]: Toolchain (without parser) took 67366.22 ms. Allocated memory was 139.5 MB in the beginning and 942.7 MB in the end (delta: 803.2 MB). Free memory was 101.7 MB in the beginning and 744.8 MB in the end (delta: -643.2 MB). Peak memory consumption was 160.0 MB. Max. memory is 7.1 GB. [2020-10-12 18:03:08,290 INFO L168 Benchmark]: CDTParser took 1.00 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 18:03:08,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.05 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.2 MB in the beginning and 173.7 MB in the end (delta: -72.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-10-12 18:03:08,291 INFO L168 Benchmark]: Boogie Preprocessor took 84.62 ms. Allocated memory is still 203.4 MB. Free memory was 173.7 MB in the beginning and 169.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-10-12 18:03:08,292 INFO L168 Benchmark]: RCFGBuilder took 1224.54 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 169.3 MB in the beginning and 200.9 MB in the end (delta: -31.6 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2020-10-12 18:03:08,292 INFO L168 Benchmark]: TraceAbstraction took 65421.43 ms. Allocated memory was 235.9 MB in the beginning and 942.7 MB in the end (delta: 706.7 MB). Free memory was 200.9 MB in the beginning and 744.8 MB in the end (delta: -543.9 MB). Peak memory consumption was 162.8 MB. Max. memory is 7.1 GB. [2020-10-12 18:03:08,295 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 631.05 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.2 MB in the beginning and 173.7 MB in the end (delta: -72.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.62 ms. Allocated memory is still 203.4 MB. Free memory was 173.7 MB in the beginning and 169.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1224.54 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 169.3 MB in the beginning and 200.9 MB in the end (delta: -31.6 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 65421.43 ms. Allocated memory was 235.9 MB in the beginning and 942.7 MB in the end (delta: 706.7 MB). Free memory was 200.9 MB in the beginning and 744.8 MB in the end (delta: -543.9 MB). Peak memory consumption was 162.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 211]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L385] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int pumpRunning = 0; [L653] int systemActive = 1; [L822] int cleanupTimeShifts = 4; [L895] int retValue_acc ; [L896] int tmp ; [L900] FCALL select_helpers() [L901] FCALL select_features() [L902] CALL, EXPR valid_product() [L198] int retValue_acc ; [L201] retValue_acc = 1 [L202] return (retValue_acc); [L902] RET, EXPR valid_product() [L902] tmp = valid_product() [L904] COND TRUE \read(tmp) [L906] FCALL setup() [L907] CALL runTest() [L889] CALL test() [L585] int splverifierCounter ; [L586] int tmp ; [L587] int tmp___0 ; [L588] int tmp___1 ; [L589] int tmp___2 ; [L592] splverifierCounter = 0 [L594] COND TRUE 1 [L596] COND TRUE splverifierCounter < 4 [L602] tmp = __VERIFIER_nondet_int() [L604] COND TRUE \read(tmp) [L606] CALL waterRise() [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L606] RET waterRise() [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) [L637] CALL timeShift() [L659] COND FALSE !(\read(pumpRunning)) [L666] COND TRUE \read(systemActive) [L668] CALL processEnvironment() [L688] int tmp ; [L691] COND TRUE ! pumpRunning [L693] CALL, EXPR isHighWaterLevel() [L803] int retValue_acc ; [L804] int tmp ; [L805] int tmp___0 ; [L809] CALL, EXPR isHighWaterSensorDry() [L127] int retValue_acc ; [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); [L809] RET, EXPR isHighWaterSensorDry() [L809] tmp = isHighWaterSensorDry() [L811] COND FALSE !(\read(tmp)) [L814] tmp___0 = 1 [L816] retValue_acc = tmp___0 [L817] return (retValue_acc); [L693] RET, EXPR isHighWaterLevel() [L693] tmp = isHighWaterLevel() [L695] COND TRUE \read(tmp) [L697] CALL activatePump() [L722] int tmp ; [L726] CALL, EXPR isMethaneAlarm() [L747] int retValue_acc ; [L751] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L751] RET, EXPR isMethaneLevelCritical() [L751] retValue_acc = isMethaneLevelCritical() [L753] return (retValue_acc); [L726] RET, EXPR isMethaneAlarm() [L726] tmp = isMethaneAlarm() [L728] COND FALSE !(\read(tmp)) [L732] CALL activatePump__wrappee__highWaterSensor() [L716] pumpRunning = 1 [L732] RET activatePump__wrappee__highWaterSensor() [L697] RET activatePump() [L668] RET processEnvironment() [L674] CALL __utac_acc__Specification4_spec__1() [L144] int tmp ; [L145] int tmp___0 ; [L149] CALL, EXPR getWaterLevel() [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L149] RET, EXPR getWaterLevel() [L149] tmp = getWaterLevel() [L151] COND FALSE !(tmp == 0) [L674] RET __utac_acc__Specification4_spec__1() [L637] RET timeShift() [L594] COND TRUE 1 [L596] COND TRUE splverifierCounter < 4 [L602] tmp = __VERIFIER_nondet_int() [L604] COND FALSE !(\read(tmp)) [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) [L637] CALL timeShift() [L659] COND TRUE \read(pumpRunning) [L661] CALL lowerWaterLevel() [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 [L661] RET lowerWaterLevel() [L666] COND TRUE \read(systemActive) [L668] CALL processEnvironment() [L688] int tmp ; [L691] COND FALSE !(! pumpRunning) [L706] FCALL processEnvironment__wrappee__base() [L668] RET processEnvironment() [L674] CALL __utac_acc__Specification4_spec__1() [L144] int tmp ; [L145] int tmp___0 ; [L149] CALL, EXPR getWaterLevel() [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L149] RET, EXPR getWaterLevel() [L149] tmp = getWaterLevel() [L151] COND FALSE !(tmp == 0) [L674] RET __utac_acc__Specification4_spec__1() [L637] RET timeShift() [L594] COND TRUE 1 [L596] COND TRUE splverifierCounter < 4 [L602] tmp = __VERIFIER_nondet_int() [L604] COND FALSE !(\read(tmp)) [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) [L637] CALL timeShift() [L659] COND TRUE \read(pumpRunning) [L661] CALL lowerWaterLevel() [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 [L661] RET lowerWaterLevel() [L666] COND TRUE \read(systemActive) [L668] CALL processEnvironment() [L688] int tmp ; [L691] COND FALSE !(! pumpRunning) [L706] FCALL processEnvironment__wrappee__base() [L668] RET processEnvironment() [L674] CALL __utac_acc__Specification4_spec__1() [L144] int tmp ; [L145] int tmp___0 ; [L149] CALL, EXPR getWaterLevel() [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L149] RET, EXPR getWaterLevel() [L149] tmp = getWaterLevel() [L151] COND TRUE tmp == 0 [L153] CALL, EXPR isPumpRunning() [L758] int retValue_acc ; [L761] retValue_acc = pumpRunning [L762] return (retValue_acc); [L153] RET, EXPR isPumpRunning() [L153] tmp___0 = isPumpRunning() [L155] COND TRUE \read(tmp___0) [L157] CALL __automaton_fail() [L211] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 65.3s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 34.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 930 SDtfs, 2711 SDslu, 1380 SDs, 0 SdLazy, 6739 SolverSat, 1851 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 473 GetRequests, 329 SyntacticMatches, 5 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 787 ImplicationChecksByTransitivity, 18.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=636occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 397 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.5s InterpolantComputationTime, 1050 NumberOfCodeBlocks, 1050 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 880 ConstructedInterpolants, 0 QuantifiedInterpolants, 384653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 278/319 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...