/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=DEEPEST --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 language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:17:09,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:17:09,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:17:10,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:17:10,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:17:10,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:17:10,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:17:10,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:17:10,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:17:10,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:17:10,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:17:10,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:17:10,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:17:10,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:17:10,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:17:10,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:17:10,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:17:10,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:17:10,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:17:10,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:17:10,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:17:10,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:17:10,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:17:10,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:17:10,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:17:10,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:17:10,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:17:10,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:17:10,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:17:10,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:17:10,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:17:10,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:17:10,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:17:10,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:17:10,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:17:10,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:17:10,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:17:10,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:17:10,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:17:10,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:17:10,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:17:10,111 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 [2020-10-27 22:17:10,162 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:17:10,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:17:10,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:17:10,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:17:10,169 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:17:10,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:17:10,169 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:17:10,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:17:10,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:17:10,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:17:10,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:17:10,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:17:10,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:17:10,172 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:17:10,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:17:10,172 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:17:10,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:17:10,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:17:10,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:17:10,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:17:10,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:17:10,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:17:10,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:17:10,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:17:10,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:17:10,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:17:10,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:17:10,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:17:10,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:17:10,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:17:10,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:17:10,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:17:10,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:17:10,635 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:17:10,636 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:17:10,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product48.cil.c [2020-10-27 22:17:10,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/723be905f/af75c6ad8f174d93b184b5763f48c8ec/FLAG490b2ebf0 [2020-10-27 22:17:11,445 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:17:11,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product48.cil.c [2020-10-27 22:17:11,470 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/723be905f/af75c6ad8f174d93b184b5763f48c8ec/FLAG490b2ebf0 [2020-10-27 22:17:11,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/723be905f/af75c6ad8f174d93b184b5763f48c8ec [2020-10-27 22:17:11,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:17:11,722 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:17:11,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:17:11,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:17:11,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:17:11,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:17:11" (1/1) ... [2020-10-27 22:17:11,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671a465f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:17:11, skipping insertion in model container [2020-10-27 22:17:11,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:17:11" (1/1) ... [2020-10-27 22:17:11,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:17:11,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:17:12,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:17:12,191 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:17:12,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:17:12,438 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:17:12,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:17:12 WrapperNode [2020-10-27 22:17:12,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:17:12,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:17:12,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:17:12,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:17:12,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:17:12" (1/1) ... [2020-10-27 22:17:12,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:17:12" (1/1) ... [2020-10-27 22:17:12,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:17:12" (1/1) ... [2020-10-27 22:17:12,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:17:12" (1/1) ... [2020-10-27 22:17:12,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:17:12" (1/1) ... [2020-10-27 22:17:12,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:17:12" (1/1) ... [2020-10-27 22:17:12,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:17:12" (1/1) ... [2020-10-27 22:17:12,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:17:12,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:17:12,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:17:12,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:17:12,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:17:12" (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 [2020-10-27 22:17:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:17:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:17:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:17:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:17:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-27 22:17:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:17:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:17:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:17:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:17:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:17:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:17:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:17:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:17:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:17:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:17:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:17:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:17:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:17:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 22:17:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 22:17:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:17:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 22:17:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:17:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:17:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:17:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:17:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:17:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 22:17:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-27 22:17:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 22:17:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:17:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:17:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:17:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:17:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:17:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:17:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 22:17:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:17:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:17:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:17:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:17:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:17:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:17:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:17:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:17:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:17:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:17:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:17:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:17:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:17:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:17:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-27 22:17:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:17:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:17:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:17:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:17:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:17:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:17:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:17:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:17:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:17:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:17:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:17:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:17:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:17:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:17:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:17:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:17:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:17:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:17:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:17:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:17:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:17:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:17:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:17:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:17:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:17:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:17:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:17:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:17:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:17:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:17:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:17:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 22:17:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:17:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:17:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-27 22:17:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 22:17:12,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:17:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 22:17:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 22:17:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 22:17:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:17:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 22:17:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:17:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:17:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:17:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:17:14,038 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:17:14,038 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:17:14,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:17:14 BoogieIcfgContainer [2020-10-27 22:17:14,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:17:14,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:17:14,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:17:14,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:17:14,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:17:11" (1/3) ... [2020-10-27 22:17:14,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6121346a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:17:14, skipping insertion in model container [2020-10-27 22:17:14,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:17:12" (2/3) ... [2020-10-27 22:17:14,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6121346a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:17:14, skipping insertion in model container [2020-10-27 22:17:14,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:17:14" (3/3) ... [2020-10-27 22:17:14,050 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product48.cil.c [2020-10-27 22:17:14,063 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:17:14,069 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:17:14,084 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:17:14,114 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:17:14,114 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:17:14,114 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:17:14,115 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:17:14,115 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:17:14,115 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:17:14,115 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:17:14,115 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:17:14,140 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2020-10-27 22:17:14,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 22:17:14,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:17:14,151 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] [2020-10-27 22:17:14,152 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:17:14,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:17:14,159 INFO L82 PathProgramCache]: Analyzing trace with hash 888996967, now seen corresponding path program 1 times [2020-10-27 22:17:14,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:17:14,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1214703750] [2020-10-27 22:17:14,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:17:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:14,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:14,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:15,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:17,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:17,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:19,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:19,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 22:17:19,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:17:19,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 22:17:19,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:19,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:17:19,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 22:17:19,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 22:17:19,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-27 22:17:20,008 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:17:20,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:17:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:20,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 22:17:20,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:20,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:17:20,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:17:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:20,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:20,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:20,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:20,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:17:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:20,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:20,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:20,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:20,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:17:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:20,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:20,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:20,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:20,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:17:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:20,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:20,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:20,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:20,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:17:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:20,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:17:20,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:17:20,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:17:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:20,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:17:20,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:17:20,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:17:20,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:17:20,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1214703750] [2020-10-27 22:17:20,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:17:20,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:17:20,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132723024] [2020-10-27 22:17:20,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:17:20,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:17:20,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:17:20,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:17:20,217 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 7 states. [2020-10-27 22:17:21,068 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:17:22,273 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:17:22,653 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:17:22,995 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:17:23,964 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:17:24,332 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:17:25,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:17:25,745 INFO L93 Difference]: Finished difference Result 439 states and 597 transitions. [2020-10-27 22:17:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:17:25,748 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 22:17:25,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:17:25,765 INFO L225 Difference]: With dead ends: 439 [2020-10-27 22:17:25,765 INFO L226 Difference]: Without dead ends: 270 [2020-10-27 22:17:25,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:17:25,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-10-27 22:17:25,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 234. [2020-10-27 22:17:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 22:17:25,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 289 transitions. [2020-10-27 22:17:25,946 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 289 transitions. Word has length 47 [2020-10-27 22:17:25,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:17:25,947 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 289 transitions. [2020-10-27 22:17:25,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:17:25,948 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 289 transitions. [2020-10-27 22:17:25,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-27 22:17:25,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:17:25,963 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:17:25,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:17:25,963 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:17:25,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:17:25,966 INFO L82 PathProgramCache]: Analyzing trace with hash -708380271, now seen corresponding path program 1 times [2020-10-27 22:17:25,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:17:25,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [818490704] [2020-10-27 22:17:25,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:17:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:26,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:26,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-27 22:17:30,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:17:30,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4308 [2020-10-27 22:17:30,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:17:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-27 22:17:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:17:30,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,622 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:17:30,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:17:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:30,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:17:30,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:30,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:30,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:30,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:17:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:30,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:30,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:30,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:30,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:30,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:17:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:30,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:30,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:30,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:30,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:30,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:17:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:30,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:30,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:30,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:30,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:30,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:17:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:30,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:30,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:30,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:30,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:30,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:17:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:17:30,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:17:30,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:17:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 22:17:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:17:30,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:17:30,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:17:30,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:17:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:17:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:17:30,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:17:30,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:17:30,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:17:30,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:30,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:17:30,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:17:30,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:30,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:30,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:17:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:17:30,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:17:30,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:30,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 22:17:30,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:30,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:17:30,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:17:30,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:30,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:30,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:30,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:30,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:17:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:30,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:30,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:30,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:30,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:30,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 22:17:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:30,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:30,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:30,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 22:17:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:30,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:30,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:30,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:30,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:30,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:30,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:30,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:30,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:30,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:17:30,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [818490704] [2020-10-27 22:17:30,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:17:30,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:17:30,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430433688] [2020-10-27 22:17:30,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:17:30,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:17:30,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:17:30,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:17:30,931 INFO L87 Difference]: Start difference. First operand 234 states and 289 transitions. Second operand 8 states. [2020-10-27 22:17:32,409 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:17:32,729 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:17:33,064 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:17:33,431 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:17:34,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:17:34,598 INFO L93 Difference]: Finished difference Result 518 states and 715 transitions. [2020-10-27 22:17:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:17:34,599 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2020-10-27 22:17:34,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:17:34,604 INFO L225 Difference]: With dead ends: 518 [2020-10-27 22:17:34,604 INFO L226 Difference]: Without dead ends: 308 [2020-10-27 22:17:34,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:17:34,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-10-27 22:17:34,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 242. [2020-10-27 22:17:34,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-27 22:17:34,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 297 transitions. [2020-10-27 22:17:34,690 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 297 transitions. Word has length 96 [2020-10-27 22:17:34,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:17:34,691 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 297 transitions. [2020-10-27 22:17:34,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:17:34,691 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 297 transitions. [2020-10-27 22:17:34,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 22:17:34,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:17:34,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:17:34,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:17:34,694 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:17:34,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:17:34,694 INFO L82 PathProgramCache]: Analyzing trace with hash -552950692, now seen corresponding path program 1 times [2020-10-27 22:17:34,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:17:34,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779161997] [2020-10-27 22:17:34,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:17:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:34,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:34,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:34,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:39,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:39,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 22:17:39,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:17:39,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:17:39,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:17:39,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 22:17:39,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:17:39,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:17:40,106 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:17:40,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:17:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:40,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:17:40,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:40,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:17:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:40,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:40,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:40,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:40,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:40,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:17:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:40,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:40,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:40,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:40,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:17:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:40,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:40,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:40,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:40,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:40,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:17:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:40,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:40,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:40,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:40,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:40,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 22:17:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:17:40,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 22:17:40,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:17:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:17:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:17:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:17:40,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:17:40,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:17:40,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:17:40,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:17:40,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:17:40,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:17:40,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:17:40,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:17:40,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:17:40,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:17:40,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:17:40,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:17:40,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:40,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:17:40,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:17:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:17:40,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:17:40,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 22:17:40,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:40,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:17:40,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:17:40,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:40,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:40,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:40,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:40,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:40,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:40,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:17:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:40,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:40,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:40,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:40,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:40,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 22:17:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:40,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:40,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:40,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:40,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:40,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 22:17:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:40,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:40,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:40,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:40,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:40,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:40,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:40,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:40,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:17:40,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779161997] [2020-10-27 22:17:40,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:17:40,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:17:40,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834335275] [2020-10-27 22:17:40,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:17:40,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:17:40,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:17:40,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:17:40,443 INFO L87 Difference]: Start difference. First operand 242 states and 297 transitions. Second operand 7 states. [2020-10-27 22:17:41,756 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:17:42,129 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:17:42,465 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:17:43,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:17:43,607 INFO L93 Difference]: Finished difference Result 528 states and 725 transitions. [2020-10-27 22:17:43,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:17:43,608 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2020-10-27 22:17:43,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:17:43,613 INFO L225 Difference]: With dead ends: 528 [2020-10-27 22:17:43,613 INFO L226 Difference]: Without dead ends: 310 [2020-10-27 22:17:43,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:17:43,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-10-27 22:17:43,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 246. [2020-10-27 22:17:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-10-27 22:17:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 301 transitions. [2020-10-27 22:17:43,694 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 301 transitions. Word has length 91 [2020-10-27 22:17:43,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:17:43,694 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 301 transitions. [2020-10-27 22:17:43,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:17:43,694 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 301 transitions. [2020-10-27 22:17:43,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 22:17:43,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:17:43,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:17:43,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:17:43,697 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:17:43,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:17:43,698 INFO L82 PathProgramCache]: Analyzing trace with hash -793490821, now seen corresponding path program 1 times [2020-10-27 22:17:43,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:17:43,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974395817] [2020-10-27 22:17:43,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:17:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:43,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:43,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:44,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:44,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:48,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:48,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 22:17:48,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:17:48,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 22:17:48,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:17:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 22:17:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:17:48,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,069 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:17:49,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:17:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:49,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 22:17:49,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:49,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:49,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:17:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:49,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:49,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:49,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:49,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:17:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:49,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:49,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:49,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:49,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:17:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:49,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:17:49,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:49,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:49,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:17:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:49,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:49,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:49,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 22:17:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:17:49,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:17:49,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:17:49,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:17:49,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:17:49,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:17:49,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:17:49,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:17:49,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:49,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:17:49,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:17:49,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:17:49,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:49,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:17:49,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:17:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:17:49,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:17:49,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:49,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:17:49,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:17:49,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:17:49,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:49,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:49,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:49,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:49,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:49,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:17:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:49,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:49,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:49,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 22:17:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:49,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:17:49,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:17:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:17:49,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:49,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 22:17:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:49,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:49,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:49,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:49,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:49,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:49,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:49,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:49,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:49,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:49,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:17:49,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:17:49,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974395817] [2020-10-27 22:17:49,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:17:49,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:17:49,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304995381] [2020-10-27 22:17:49,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:17:49,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:17:49,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:17:49,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:17:49,341 INFO L87 Difference]: Start difference. First operand 246 states and 301 transitions. Second operand 8 states. [2020-10-27 22:17:50,145 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:17:50,736 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:17:51,569 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:17:51,968 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:17:52,310 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:17:54,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:17:54,681 INFO L93 Difference]: Finished difference Result 696 states and 1019 transitions. [2020-10-27 22:17:54,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:17:54,682 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 91 [2020-10-27 22:17:54,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:17:54,692 INFO L225 Difference]: With dead ends: 696 [2020-10-27 22:17:54,693 INFO L226 Difference]: Without dead ends: 474 [2020-10-27 22:17:54,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:17:54,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-10-27 22:17:54,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 377. [2020-10-27 22:17:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-10-27 22:17:54,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 492 transitions. [2020-10-27 22:17:54,845 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 492 transitions. Word has length 91 [2020-10-27 22:17:54,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:17:54,846 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 492 transitions. [2020-10-27 22:17:54,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:17:54,847 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 492 transitions. [2020-10-27 22:17:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-27 22:17:54,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:17:54,856 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:17:54,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:17:54,857 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:17:54,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:17:54,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1752740157, now seen corresponding path program 1 times [2020-10-27 22:17:54,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:17:54,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308373665] [2020-10-27 22:17:54,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:17:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:54,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:54,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:55,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:55,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:56,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:59,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:59,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-27 22:17:59,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:17:59,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 22:17:59,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:59,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:17:59,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 22:17:59,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 22:17:59,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,242 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:18:00,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:18:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:00,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:18:00,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:00,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:00,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:18:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:18:00,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:00,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:00,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:00,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:18:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:18:00,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:18:00,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:00,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:18:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:00,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:00,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:00,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:00,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:18:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:18:00,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:18:00,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:00,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:18:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 22:18:00,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:18:00,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 22:18:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:18:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:18:00,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:18:00,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:00,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:18:00,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:18:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:18:00,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:18:00,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:18:00,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:18:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:18:00,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:18:00,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:00,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:18:00,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:18:00,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:00,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:00,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:18:00,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:18:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:18:00,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:18:00,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:00,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:18:00,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:18:00,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:18:00,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:00,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:00,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:18:00,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:00,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:18:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:00,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:00,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:00,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 22:18:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:18:00,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:18:00,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:18:00,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:00,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:18:00,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:00,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:00,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 22:18:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:00,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:18:00,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:18:00,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 22:18:00,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:18:00,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 22:18:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:00,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:18:00,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:18:00,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:00,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:18:00,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:18:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:00,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:00,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:00,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:00,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:00,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:00,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:00,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:00,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:18:00,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:00,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:18:00,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308373665] [2020-10-27 22:18:00,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:18:00,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:18:00,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710426029] [2020-10-27 22:18:00,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:18:00,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:18:00,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:18:00,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:18:00,623 INFO L87 Difference]: Start difference. First operand 377 states and 492 transitions. Second operand 12 states. [2020-10-27 22:18:01,234 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:18:01,816 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:18:02,385 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:18:02,821 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:18:03,193 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:18:03,744 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:18:04,124 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:18:04,463 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:18:05,941 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:18:09,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:18:09,672 INFO L93 Difference]: Finished difference Result 1279 states and 1969 transitions. [2020-10-27 22:18:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 22:18:09,673 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 114 [2020-10-27 22:18:09,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:18:09,683 INFO L225 Difference]: With dead ends: 1279 [2020-10-27 22:18:09,683 INFO L226 Difference]: Without dead ends: 926 [2020-10-27 22:18:09,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 45 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=270, Invalid=660, Unknown=0, NotChecked=0, Total=930 [2020-10-27 22:18:09,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2020-10-27 22:18:09,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 618. [2020-10-27 22:18:09,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-10-27 22:18:09,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 838 transitions. [2020-10-27 22:18:09,866 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 838 transitions. Word has length 114 [2020-10-27 22:18:09,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:18:09,866 INFO L481 AbstractCegarLoop]: Abstraction has 618 states and 838 transitions. [2020-10-27 22:18:09,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:18:09,866 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 838 transitions. [2020-10-27 22:18:09,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-27 22:18:09,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:18:09,872 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:18:09,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:18:09,872 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:18:09,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:18:09,873 INFO L82 PathProgramCache]: Analyzing trace with hash -444079799, now seen corresponding path program 1 times [2020-10-27 22:18:09,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:18:09,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1425666378] [2020-10-27 22:18:09,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:18:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:09,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:10,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:10,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:10,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:10,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:10,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:10,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:11,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:11,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:13,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:14,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:14,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-27 22:18:14,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:18:14,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 22:18:14,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-27 22:18:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:18:14,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,223 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:18:15,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:18:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:15,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 22:18:15,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:18:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:18:15,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:18:15,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:18:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:18:15,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:15,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:18:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:15,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:15,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:18:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:18:15,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:18:15,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:18:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 22:18:15,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:18:15,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:18:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:18:15,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:18:15,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:18:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:18:15,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:18:15,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:18:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:18:15,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:18:15,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:18:15,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:15,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:18:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:18:15,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:18:15,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:18:15,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:15,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:15,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:15,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:18:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:15,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:15,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 22:18:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:18:15,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:18:15,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:15,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:15,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 22:18:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:18:15,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:18:15,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:15,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:18:15,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:15,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:15,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:18:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:18:15,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:15,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:15,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:15,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 22:18:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:15,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:15,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:18:15,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 22:18:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:15,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:15,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:18:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 22:18:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:15,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:15,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:15,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:15,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:15,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:15,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:18:15,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:15,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-27 22:18:15,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1425666378] [2020-10-27 22:18:15,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:18:15,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:18:15,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791850174] [2020-10-27 22:18:15,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:18:15,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:18:15,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:18:15,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:18:15,522 INFO L87 Difference]: Start difference. First operand 618 states and 838 transitions. Second operand 7 states. [2020-10-27 22:18:16,549 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:18:18,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:18:18,304 INFO L93 Difference]: Finished difference Result 1051 states and 1422 transitions. [2020-10-27 22:18:18,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:18:18,311 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 147 [2020-10-27 22:18:18,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:18:18,318 INFO L225 Difference]: With dead ends: 1051 [2020-10-27 22:18:18,318 INFO L226 Difference]: Without dead ends: 672 [2020-10-27 22:18:18,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:18:18,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2020-10-27 22:18:18,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 555. [2020-10-27 22:18:18,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-10-27 22:18:18,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 702 transitions. [2020-10-27 22:18:18,454 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 702 transitions. Word has length 147 [2020-10-27 22:18:18,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:18:18,455 INFO L481 AbstractCegarLoop]: Abstraction has 555 states and 702 transitions. [2020-10-27 22:18:18,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:18:18,455 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 702 transitions. [2020-10-27 22:18:18,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-27 22:18:18,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:18:18,459 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:18:18,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:18:18,460 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:18:18,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:18:18,460 INFO L82 PathProgramCache]: Analyzing trace with hash -144749780, now seen corresponding path program 1 times [2020-10-27 22:18:18,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:18:18,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956742222] [2020-10-27 22:18:18,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:18:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:18,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:18,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:18,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:18,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:19,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:19,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:20,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:20,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:23,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:23,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-27 22:18:23,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:18:23,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:18:23,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:23,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 22:18:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:18:23,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:23,802 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:18:23,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:18:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:23,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:23,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:23,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:23,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:23,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 22:18:23,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:23,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:23,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:18:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:23,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:23,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:23,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:18:23,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:23,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:23,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:23,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:18:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:23,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:23,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:23,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:18:23,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:23,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:23,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:23,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:23,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:23,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:23,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:23,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:18:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:23,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:23,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:23,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:23,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:23,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:23,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:23,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:23,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:18:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:23,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:23,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:23,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:18:23,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:23,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:23,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:23,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:23,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:23,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:23,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:23,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:18:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:23,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:23,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:23,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:23,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:23,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:23,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:23,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:23,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:23,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:23,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:18:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:23,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:23,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:23,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 22:18:23,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:23,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:18:23,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:23,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:23,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:23,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:18:23,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:23,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:18:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:23,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:23,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:23,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:18:23,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:23,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 22:18:23,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:23,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:23,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:23,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 22:18:23,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:24,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:18:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:18:24,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:18:24,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:24,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:24,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:24,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:24,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:18:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:18:24,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:18:24,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:24,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:24,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:18:24,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:24,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:24,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:24,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:24,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:24,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:18:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:18:24,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:18:24,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:24,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:24,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:24,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:24,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:18:24,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:18:24,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:24,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:24,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:24,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:24,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:24,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:24,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:24,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:24,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:18:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:24,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:24,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:24,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:24,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 22:18:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:18:24,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:18:24,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:24,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:24,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:18:24,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:24,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:24,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:18:24,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:24,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:24,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:24,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:24,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 22:18:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:18:24,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:18:24,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 22:18:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 22:18:24,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:24,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:24,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:24,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:24,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:24,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:24,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:24,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:18:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:18:24,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:18:24,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:18:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:18:24,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:24,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:18:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:24,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:24,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:24,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:18:24,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:24,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:24,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 22:18:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:24,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:24,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:18:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:24,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:18:24,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 22:18:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:24,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:18:24,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:24,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:18:24,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:24,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:24,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 22:18:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:18:24,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:18:24,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:18:24,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:18:24,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:18:24,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:18:24,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:18:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:18:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:18:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:18:24,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:18:24,267 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 22:18:24,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956742222] [2020-10-27 22:18:24,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:18:24,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:18:24,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579033947] [2020-10-27 22:18:24,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:18:24,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:18:24,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:18:24,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:18:24,270 INFO L87 Difference]: Start difference. First operand 555 states and 702 transitions. Second operand 8 states. [2020-10-27 22:18:24,951 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:18:25,774 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:18:27,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:18:27,640 INFO L93 Difference]: Finished difference Result 1410 states and 1915 transitions. [2020-10-27 22:18:27,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:18:27,641 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 156 [2020-10-27 22:18:27,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:18:27,650 INFO L225 Difference]: With dead ends: 1410 [2020-10-27 22:18:27,650 INFO L226 Difference]: Without dead ends: 879 [2020-10-27 22:18:27,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:18:27,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2020-10-27 22:18:27,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 611. [2020-10-27 22:18:27,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-10-27 22:18:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 750 transitions. [2020-10-27 22:18:27,813 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 750 transitions. Word has length 156 [2020-10-27 22:18:27,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:18:27,813 INFO L481 AbstractCegarLoop]: Abstraction has 611 states and 750 transitions. [2020-10-27 22:18:27,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:18:27,814 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 750 transitions. [2020-10-27 22:18:27,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-27 22:18:27,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:18:27,818 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, 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, 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] [2020-10-27 22:18:27,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:18:27,818 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:18:27,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:18:27,818 INFO L82 PathProgramCache]: Analyzing trace with hash -13432866, now seen corresponding path program 1 times [2020-10-27 22:18:27,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:18:27,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091170250] [2020-10-27 22:18:27,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:18:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 22:18:27,882 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 22:18:27,882 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 22:18:27,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:18:27,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:18:27 BoogieIcfgContainer [2020-10-27 22:18:27,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:18:27,923 INFO L168 Benchmark]: Toolchain (without parser) took 76206.26 ms. Allocated memory was 125.8 MB in the beginning and 805.3 MB in the end (delta: 679.5 MB). Free memory was 100.4 MB in the beginning and 582.7 MB in the end (delta: -482.2 MB). Peak memory consumption was 198.6 MB. Max. memory is 8.0 GB. [2020-10-27 22:18:27,924 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:18:27,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.00 ms. Allocated memory is still 125.8 MB. Free memory was 99.8 MB in the beginning and 77.4 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:18:27,925 INFO L168 Benchmark]: Boogie Preprocessor took 97.42 ms. Allocated memory is still 125.8 MB. Free memory was 77.4 MB in the beginning and 73.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 22:18:27,926 INFO L168 Benchmark]: RCFGBuilder took 1502.79 ms. Allocated memory was 125.8 MB in the beginning and 154.1 MB in the end (delta: 28.3 MB). Free memory was 73.5 MB in the beginning and 96.3 MB in the end (delta: -22.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 8.0 GB. [2020-10-27 22:18:27,927 INFO L168 Benchmark]: TraceAbstraction took 73878.97 ms. Allocated memory was 154.1 MB in the beginning and 805.3 MB in the end (delta: 651.2 MB). Free memory was 96.3 MB in the beginning and 582.7 MB in the end (delta: -486.4 MB). Peak memory consumption was 165.3 MB. Max. memory is 8.0 GB. [2020-10-27 22:18:27,931 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 715.00 ms. Allocated memory is still 125.8 MB. Free memory was 99.8 MB in the beginning and 77.4 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 97.42 ms. Allocated memory is still 125.8 MB. Free memory was 77.4 MB in the beginning and 73.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1502.79 ms. Allocated memory was 125.8 MB in the beginning and 154.1 MB in the end (delta: 28.3 MB). Free memory was 73.5 MB in the beginning and 96.3 MB in the end (delta: -22.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 73878.97 ms. Allocated memory was 154.1 MB in the beginning and 805.3 MB in the end (delta: 651.2 MB). Free memory was 96.3 MB in the beginning and 582.7 MB in the end (delta: -486.4 MB). Peak memory consumption was 165.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L240] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L446] int cleanupTimeShifts = 4; [L558] int pumpRunning = 0; [L559] int systemActive = 1; [L776] int waterLevel = 1; [L777] int methaneLevelCritical = 0; [L527] int retValue_acc ; [L528] int tmp ; [L532] FCALL select_helpers() [L533] FCALL select_features() [L534] CALL, EXPR valid_product() [L965] int retValue_acc ; [L968] retValue_acc = 1 [L969] return (retValue_acc); [L534] RET, EXPR valid_product() [L534] tmp = valid_product() [L536] COND TRUE \read(tmp) [L538] FCALL setup() [L539] CALL runTest() [L518] CALL test() [L871] int splverifierCounter ; [L872] int tmp ; [L873] int tmp___0 ; [L874] int tmp___1 ; [L875] int tmp___2 ; [L878] splverifierCounter = 0 [L880] COND TRUE 1 [L882] COND TRUE splverifierCounter < 4 [L888] tmp = __VERIFIER_nondet_int() [L890] COND TRUE \read(tmp) [L892] CALL waterRise() [L794] COND TRUE waterLevel < 2 [L795] waterLevel = waterLevel + 1 [L892] RET waterRise() [L898] tmp___0 = __VERIFIER_nondet_int() [L900] COND FALSE !(\read(tmp___0)) [L908] tmp___2 = __VERIFIER_nondet_int() [L910] COND FALSE !(\read(tmp___2)) [L916] tmp___1 = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp___1)) [L927] CALL timeShift() [L565] COND FALSE !(\read(pumpRunning)) [L572] COND TRUE \read(systemActive) [L574] CALL processEnvironment() [L620] int tmp ; [L623] COND FALSE !(\read(pumpRunning)) [L638] CALL processEnvironment__wrappee__methaneQuery() [L594] int tmp ; [L597] COND TRUE ! pumpRunning [L599] CALL, EXPR isHighWaterLevel() [L734] int retValue_acc ; [L735] int tmp ; [L736] int tmp___0 ; [L740] CALL, EXPR isHighWaterSensorDry() [L856] int retValue_acc ; [L859] COND FALSE !(waterLevel < 2) [L863] retValue_acc = 0 [L864] return (retValue_acc); [L740] RET, EXPR isHighWaterSensorDry() [L740] tmp = isHighWaterSensorDry() [L742] COND FALSE !(\read(tmp)) [L745] tmp___0 = 1 [L747] retValue_acc = tmp___0 [L748] return (retValue_acc); [L599] RET, EXPR isHighWaterLevel() [L599] tmp = isHighWaterLevel() [L601] COND TRUE \read(tmp) [L603] CALL activatePump() [L653] int tmp ; [L657] CALL, EXPR isMethaneAlarm() [L678] int retValue_acc ; [L682] CALL, EXPR isMethaneLevelCritical() [L815] int retValue_acc ; [L818] retValue_acc = methaneLevelCritical [L819] return (retValue_acc); [L682] RET, EXPR isMethaneLevelCritical() [L682] retValue_acc = isMethaneLevelCritical() [L684] return (retValue_acc); [L657] RET, EXPR isMethaneAlarm() [L657] tmp = isMethaneAlarm() [L659] COND FALSE !(\read(tmp)) [L663] CALL activatePump__wrappee__highWaterSensor() [L648] pumpRunning = 1 [L663] RET activatePump__wrappee__highWaterSensor() [L603] RET activatePump() [L638] RET processEnvironment__wrappee__methaneQuery() [L574] RET processEnvironment() [L580] CALL __utac_acc__Specification4_spec__1() [L46] int tmp ; [L47] int tmp___0 ; [L51] CALL, EXPR getWaterLevel() [L847] int retValue_acc ; [L850] retValue_acc = waterLevel [L851] return (retValue_acc); [L51] RET, EXPR getWaterLevel() [L51] tmp = getWaterLevel() [L53] COND FALSE !(tmp == 0) [L580] RET __utac_acc__Specification4_spec__1() [L927] RET timeShift() [L880] COND TRUE 1 [L882] COND TRUE splverifierCounter < 4 [L888] tmp = __VERIFIER_nondet_int() [L890] COND FALSE !(\read(tmp)) [L898] tmp___0 = __VERIFIER_nondet_int() [L900] COND FALSE !(\read(tmp___0)) [L908] tmp___2 = __VERIFIER_nondet_int() [L910] COND FALSE !(\read(tmp___2)) [L916] tmp___1 = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp___1)) [L927] CALL timeShift() [L565] COND TRUE \read(pumpRunning) [L567] CALL lowerWaterLevel() [L782] COND TRUE waterLevel > 0 [L783] waterLevel = waterLevel - 1 [L567] RET lowerWaterLevel() [L572] COND TRUE \read(systemActive) [L574] CALL processEnvironment() [L620] int tmp ; [L623] COND TRUE \read(pumpRunning) [L625] CALL, EXPR isMethaneAlarm() [L678] int retValue_acc ; [L682] CALL, EXPR isMethaneLevelCritical() [L815] int retValue_acc ; [L818] retValue_acc = methaneLevelCritical [L819] return (retValue_acc); [L682] RET, EXPR isMethaneLevelCritical() [L682] retValue_acc = isMethaneLevelCritical() [L684] return (retValue_acc); [L625] RET, EXPR isMethaneAlarm() [L625] tmp = isMethaneAlarm() [L627] COND FALSE !(\read(tmp)) [L633] CALL processEnvironment__wrappee__methaneQuery() [L594] int tmp ; [L597] COND FALSE !(! pumpRunning) [L612] FCALL processEnvironment__wrappee__base() [L633] RET processEnvironment__wrappee__methaneQuery() [L574] RET processEnvironment() [L580] CALL __utac_acc__Specification4_spec__1() [L46] int tmp ; [L47] int tmp___0 ; [L51] CALL, EXPR getWaterLevel() [L847] int retValue_acc ; [L850] retValue_acc = waterLevel [L851] return (retValue_acc); [L51] RET, EXPR getWaterLevel() [L51] tmp = getWaterLevel() [L53] COND FALSE !(tmp == 0) [L580] RET __utac_acc__Specification4_spec__1() [L927] RET timeShift() [L880] COND TRUE 1 [L882] COND TRUE splverifierCounter < 4 [L888] tmp = __VERIFIER_nondet_int() [L890] COND FALSE !(\read(tmp)) [L898] tmp___0 = __VERIFIER_nondet_int() [L900] COND FALSE !(\read(tmp___0)) [L908] tmp___2 = __VERIFIER_nondet_int() [L910] COND FALSE !(\read(tmp___2)) [L916] tmp___1 = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp___1)) [L927] CALL timeShift() [L565] COND TRUE \read(pumpRunning) [L567] CALL lowerWaterLevel() [L782] COND TRUE waterLevel > 0 [L783] waterLevel = waterLevel - 1 [L567] RET lowerWaterLevel() [L572] COND TRUE \read(systemActive) [L574] CALL processEnvironment() [L620] int tmp ; [L623] COND TRUE \read(pumpRunning) [L625] CALL, EXPR isMethaneAlarm() [L678] int retValue_acc ; [L682] CALL, EXPR isMethaneLevelCritical() [L815] int retValue_acc ; [L818] retValue_acc = methaneLevelCritical [L819] return (retValue_acc); [L682] RET, EXPR isMethaneLevelCritical() [L682] retValue_acc = isMethaneLevelCritical() [L684] return (retValue_acc); [L625] RET, EXPR isMethaneAlarm() [L625] tmp = isMethaneAlarm() [L627] COND FALSE !(\read(tmp)) [L633] CALL processEnvironment__wrappee__methaneQuery() [L594] int tmp ; [L597] COND FALSE !(! pumpRunning) [L612] FCALL processEnvironment__wrappee__base() [L633] RET processEnvironment__wrappee__methaneQuery() [L574] RET processEnvironment() [L580] CALL __utac_acc__Specification4_spec__1() [L46] int tmp ; [L47] int tmp___0 ; [L51] CALL, EXPR getWaterLevel() [L847] int retValue_acc ; [L850] retValue_acc = waterLevel [L851] return (retValue_acc); [L51] RET, EXPR getWaterLevel() [L51] tmp = getWaterLevel() [L53] COND TRUE tmp == 0 [L55] CALL, EXPR isPumpRunning() [L689] int retValue_acc ; [L692] retValue_acc = pumpRunning [L693] return (retValue_acc); [L55] RET, EXPR isPumpRunning() [L55] tmp___0 = isPumpRunning() [L57] COND TRUE \read(tmp___0) [L59] CALL __automaton_fail() [L441] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product48.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 254 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 73.7s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 33.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1116 SDtfs, 2000 SDslu, 1531 SDs, 0 SdLazy, 6419 SolverSat, 1575 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 259 SyntacticMatches, 9 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 11.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=618occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 7 MinimizatonAttempts, 956 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 38.8s InterpolantComputationTime, 946 NumberOfCodeBlocks, 946 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 735 ConstructedInterpolants, 0 QuantifiedInterpolants, 271260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 125/130 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...