/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_spec2_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:03:52,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:03:52,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:03:52,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:03:52,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:03:52,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:03:52,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:03:52,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:03:52,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:03:52,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:03:52,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:03:52,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:03:52,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:03:52,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:03:52,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:03:52,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:03:52,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:03:52,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:03:52,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:03:52,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:03:52,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:03:52,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:03:52,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:03:52,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:03:52,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:03:52,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:03:52,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:03:52,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:03:52,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:03:52,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:03:52,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:03:52,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:03:52,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:03:52,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:03:52,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:03:52,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:03:52,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:03:52,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:03:52,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:03:52,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:03:52,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:03:52,864 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 22:03:52,924 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:03:52,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:03:52,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:03:52,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:03:52,927 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:03:52,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:03:52,930 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:03:52,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:03:52,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:03:52,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:03:52,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:03:52,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:03:52,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:03:52,932 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:03:52,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:03:52,933 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:03:52,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:03:52,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:03:52,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:03:52,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:03:52,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:03:52,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:03:52,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:03:52,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:03:52,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:03:52,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:03:52,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:03:52,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:03:52,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:03:52,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:03:53,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:03:53,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:03:53,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:03:53,414 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:03:53,415 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:03:53,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-10-27 22:03:53,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ecee67033/1a8c94d960f6473782888cd392a3bbfa/FLAG557d39821 [2020-10-27 22:03:54,268 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:03:54,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-10-27 22:03:54,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ecee67033/1a8c94d960f6473782888cd392a3bbfa/FLAG557d39821 [2020-10-27 22:03:54,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ecee67033/1a8c94d960f6473782888cd392a3bbfa [2020-10-27 22:03:54,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:03:54,520 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:03:54,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:03:54,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:03:54,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:03:54,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:03:54" (1/1) ... [2020-10-27 22:03:54,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2822bfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:03:54, skipping insertion in model container [2020-10-27 22:03:54,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:03:54" (1/1) ... [2020-10-27 22:03:54,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:03:54,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:03:54,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:03:54,924 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:03:55,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:03:55,155 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:03:55,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:03:55 WrapperNode [2020-10-27 22:03:55,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:03:55,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:03:55,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:03:55,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:03:55,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:03:55" (1/1) ... [2020-10-27 22:03:55,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:03:55" (1/1) ... [2020-10-27 22:03:55,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:03:55" (1/1) ... [2020-10-27 22:03:55,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:03:55" (1/1) ... [2020-10-27 22:03:55,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:03:55" (1/1) ... [2020-10-27 22:03:55,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:03:55" (1/1) ... [2020-10-27 22:03:55,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:03:55" (1/1) ... [2020-10-27 22:03:55,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:03:55,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:03:55,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:03:55,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:03:55,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:03:55" (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 22:03:55,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:03:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:03:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:03:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:03:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:03:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:03:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:03:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:03:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:03:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:03:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:03:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:03:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:03:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:03:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:03:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 22:03:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:03:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 22:03:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 22:03:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:03:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:03:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:03:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:03:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:03:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:03:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:03:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:03:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:03:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:03:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:03:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:03:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 22:03:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:03:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:03:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:03:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:03:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:03:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:03:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 22:03:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 22:03:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:03:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:03:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:03:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:03:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:03:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:03:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:03:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:03:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:03:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:03:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:03:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:03:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:03:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 22:03:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:03:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:03:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:03:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:03:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:03:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:03:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:03:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:03:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 22:03:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:03:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:03:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:03:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:03:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:03:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:03:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:03:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:03:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:03:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:03:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:03:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:03:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 22:03:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:03:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:03:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:03:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 22:03:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 22:03:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:03:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:03:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:03:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:03:57,104 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:03:57,104 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:03:57,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:03:57 BoogieIcfgContainer [2020-10-27 22:03:57,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:03:57,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:03:57,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:03:57,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:03:57,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:03:54" (1/3) ... [2020-10-27 22:03:57,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3db497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:03:57, skipping insertion in model container [2020-10-27 22:03:57,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:03:55" (2/3) ... [2020-10-27 22:03:57,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3db497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:03:57, skipping insertion in model container [2020-10-27 22:03:57,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:03:57" (3/3) ... [2020-10-27 22:03:57,123 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2020-10-27 22:03:57,138 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:03:57,144 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:03:57,161 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:03:57,204 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:03:57,204 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:03:57,204 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:03:57,205 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:03:57,205 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:03:57,205 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:03:57,206 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:03:57,207 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:03:57,238 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-10-27 22:03:57,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 22:03:57,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:03:57,254 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] [2020-10-27 22:03:57,254 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 22:03:57,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:03:57,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1378842312, now seen corresponding path program 1 times [2020-10-27 22:03:57,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:03:57,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322181344] [2020-10-27 22:03:57,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:03:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:03:57,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:03:57,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:03:58,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:03:59,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:00,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:02,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:02,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 22:04:02,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:04:02,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 22:04:02,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:04:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 22:04:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 22:04:02,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 22:04:03,301 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:04:03,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:04:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:03,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:03,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:03,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:03,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:03,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 22:04:03,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:03,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:03,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:03,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:03,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:03,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:04:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:03,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:03,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:03,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:03,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:03,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:03,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:03,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:03,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:03,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:03,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:03,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:04:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:03,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:03,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:03,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:03,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:03,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:04:03,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:03,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:03,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:04:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:03,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:03,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:03,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:03,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:03,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:03,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:03,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:03,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:03,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:03,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:04:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:03,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:03,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:03,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:03,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:03,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:04:03,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:03,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:03,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:03,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:03,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:03,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:04:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:03,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:03,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:03,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:03,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:03,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:04:03,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:03,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:03,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:03,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:04:03,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:04:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:03,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:03,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:03,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:03,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:03,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:04:03,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:03,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:03,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:03,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:04:03,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:03,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 22:04:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:03,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:03,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:03,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:03,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:03,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:04:03,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:04:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:04:03,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:03,535 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 22:04:03,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322181344] [2020-10-27 22:04:03,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:04:03,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:04:03,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302492154] [2020-10-27 22:04:03,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:04:03,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:04:03,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:04:03,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:04:03,563 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 8 states. [2020-10-27 22:04:04,322 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:04:05,684 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:04:06,189 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:04:06,683 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:04:07,527 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:04:08,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:04:08,524 INFO L93 Difference]: Finished difference Result 339 states and 463 transitions. [2020-10-27 22:04:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:04:08,526 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-10-27 22:04:08,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:04:08,557 INFO L225 Difference]: With dead ends: 339 [2020-10-27 22:04:08,557 INFO L226 Difference]: Without dead ends: 211 [2020-10-27 22:04:08,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:04:08,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-10-27 22:04:08,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 175. [2020-10-27 22:04:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-10-27 22:04:08,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 212 transitions. [2020-10-27 22:04:08,717 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 212 transitions. Word has length 52 [2020-10-27 22:04:08,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:04:08,718 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 212 transitions. [2020-10-27 22:04:08,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:04:08,721 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 212 transitions. [2020-10-27 22:04:08,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-27 22:04:08,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:04:08,734 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] [2020-10-27 22:04:08,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:04:08,737 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 22:04:08,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:04:08,738 INFO L82 PathProgramCache]: Analyzing trace with hash 799928206, now seen corresponding path program 1 times [2020-10-27 22:04:08,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:04:08,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515765773] [2020-10-27 22:04:08,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:04:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:08,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:08,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:09,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:12,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:13,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:13,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 22:04:13,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:04:13,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 22:04:13,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:13,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:04:13,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-27 22:04:13,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:04:13,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:14,151 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:04:14,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:04:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:14,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:14,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:14,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:14,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:14,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 22:04:14,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:14,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:14,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:14,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:14,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:14,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:04:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:14,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:14,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:14,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:14,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:14,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:14,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:14,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:14,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:14,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:14,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:14,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:04:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:14,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:14,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:14,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:14,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:14,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:14,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:14,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:14,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:14,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:14,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:14,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:04:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:14,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:14,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:14,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:14,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:14,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:14,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:14,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:14,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:14,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:14,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:14,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:04:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:14,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:14,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:14,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:14,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:14,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:14,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:14,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:14,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:14,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:14,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:14,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:04:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:14,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:14,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:14,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:14,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:14,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:14,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:14,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:14,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:14,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:14,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:14,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 22:04:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:14,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:14,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:14,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:04:14,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:14,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 22:04:14,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:14,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:04:14,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:04:14,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:04:14,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:14,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:04:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:14,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:14,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:14,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:04:14,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:14,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:04:14,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:14,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:04:14,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:14,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:04:14,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:14,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:04:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:14,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:14,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:14,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:04:14,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:14,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:14,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:14,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:14,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:04:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:14,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:14,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:14,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:14,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:14,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:14,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:04:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:14,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 22:04:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:14,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:14,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:14,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:14,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:14,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:14,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:04:14,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:14,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:14,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 22:04:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:14,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:14,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:14,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:14,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:14,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:14,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:04:14,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:14,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:14,443 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 22:04:14,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515765773] [2020-10-27 22:04:14,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:04:14,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:04:14,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425827512] [2020-10-27 22:04:14,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:04:14,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:04:14,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:04:14,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:04:14,447 INFO L87 Difference]: Start difference. First operand 175 states and 212 transitions. Second operand 9 states. [2020-10-27 22:04:16,054 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:04:16,490 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:04:16,946 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:04:17,373 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:04:18,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:04:18,265 INFO L93 Difference]: Finished difference Result 387 states and 519 transitions. [2020-10-27 22:04:18,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:04:18,271 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-10-27 22:04:18,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:04:18,275 INFO L225 Difference]: With dead ends: 387 [2020-10-27 22:04:18,275 INFO L226 Difference]: Without dead ends: 240 [2020-10-27 22:04:18,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:04:18,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-27 22:04:18,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 183. [2020-10-27 22:04:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-10-27 22:04:18,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 223 transitions. [2020-10-27 22:04:18,354 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 223 transitions. Word has length 76 [2020-10-27 22:04:18,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:04:18,355 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 223 transitions. [2020-10-27 22:04:18,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:04:18,355 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 223 transitions. [2020-10-27 22:04:18,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 22:04:18,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:04:18,359 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 22:04:18,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:04:18,360 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 22:04:18,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:04:18,360 INFO L82 PathProgramCache]: Analyzing trace with hash 43946575, now seen corresponding path program 1 times [2020-10-27 22:04:18,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:04:18,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [721017284] [2020-10-27 22:04:18,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:04:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:18,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:18,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:18,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:18,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:19,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:20,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:23,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:23,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-27 22:04:23,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:04:23,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:04:23,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:23,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:04:23,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 22:04:23,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:04:23,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:23,797 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:04:23,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:04:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:23,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:23,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:23,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:23,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:23,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 22:04:23,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:23,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:23,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:04:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:23,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:23,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:23,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:23,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:23,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:04:23,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:23,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:23,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:23,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:23,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:23,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:04:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:23,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:23,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:23,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:23,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:23,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:23,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:23,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:23,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:04:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:23,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:23,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:23,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:23,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:23,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:04:23,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:23,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:23,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:23,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:23,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:23,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:04:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:23,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:23,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:23,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:23,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:23,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:23,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:23,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:23,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:04:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:23,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:23,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:23,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:23,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:23,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:04:23,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:23,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:23,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:23,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:23,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:23,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:04:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:23,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:23,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:23,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 22:04:23,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:23,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:04:23,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:23,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:23,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:23,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:23,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:23,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:04:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:23,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:23,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:23,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:04:23,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:23,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:04:23,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:23,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:23,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:04:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:23,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:23,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:23,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:23,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:23,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:23,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:23,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:23,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:23,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:23,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 22:04:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:23,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:23,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:23,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:04:23,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:23,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 22:04:23,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:04:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:04:23,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:04:23,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:23,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:04:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:24,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:24,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:24,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:04:24,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:24,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:04:24,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:04:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:04:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:04:24,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:04:24,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:04:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:24,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:24,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:24,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:04:24,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:24,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:04:24,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:24,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:04:24,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:24,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:04:24,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:24,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:04:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:24,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:24,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:24,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:24,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:24,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:24,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:04:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:24,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:24,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 22:04:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:24,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:24,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:24,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:24,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:24,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:24,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:24,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:24,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:04:24,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:24,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:24,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 22:04:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:24,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:24,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:24,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:24,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:24,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:24,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:04:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:24,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:24,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 22:04:24,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [721017284] [2020-10-27 22:04:24,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:04:24,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:04:24,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533144183] [2020-10-27 22:04:24,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:04:24,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:04:24,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:04:24,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:04:24,130 INFO L87 Difference]: Start difference. First operand 183 states and 223 transitions. Second operand 9 states. [2020-10-27 22:04:25,550 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:04:25,982 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:04:26,409 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:04:27,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:04:27,290 INFO L93 Difference]: Finished difference Result 404 states and 561 transitions. [2020-10-27 22:04:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:04:27,291 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2020-10-27 22:04:27,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:04:27,295 INFO L225 Difference]: With dead ends: 404 [2020-10-27 22:04:27,295 INFO L226 Difference]: Without dead ends: 249 [2020-10-27 22:04:27,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:04:27,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-10-27 22:04:27,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 187. [2020-10-27 22:04:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-27 22:04:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 227 transitions. [2020-10-27 22:04:27,381 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 227 transitions. Word has length 95 [2020-10-27 22:04:27,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:04:27,383 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 227 transitions. [2020-10-27 22:04:27,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:04:27,383 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 227 transitions. [2020-10-27 22:04:27,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-27 22:04:27,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:04:27,386 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] [2020-10-27 22:04:27,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:04:27,387 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 22:04:27,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:04:27,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1848052459, now seen corresponding path program 1 times [2020-10-27 22:04:27,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:04:27,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203172994] [2020-10-27 22:04:27,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:04:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:27,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:27,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:27,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:30,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:32,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:32,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 22:04:32,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:04:32,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:04:32,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:32,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:32,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 22:04:32,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:04:32,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:32,795 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:04:32,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:04:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:32,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:32,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:32,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:32,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 22:04:32,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:32,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:32,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:04:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:32,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:32,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:32,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:32,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:32,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:32,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:32,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:04:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:32,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:32,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:32,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:32,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:32,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:32,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:32,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:32,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:04:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:32,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:32,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:32,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:32,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:32,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:32,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:32,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:32,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:04:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:32,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:32,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:32,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:32,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:32,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:32,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:32,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:32,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:32,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:32,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:32,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:04:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:32,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:32,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:32,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:32,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:32,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:32,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:32,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:32,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:32,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:32,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:32,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 22:04:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:32,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:32,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:32,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:04:32,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:32,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:04:32,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:32,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:32,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 22:04:32,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:32,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:32,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:04:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:32,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:32,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:32,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:04:32,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:04:32,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:32,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:32,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:04:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:32,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:32,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:32,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:04:32,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:32,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:32,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:32,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:32,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:32,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:32,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:32,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:04:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:32,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:32,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:32,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:32,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:32,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:04:32,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:32,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:32,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 22:04:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:32,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:32,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:32,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:32,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:32,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:32,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:32,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:32,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:04:32,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:32,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:32,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 22:04:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:32,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:32,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:32,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:32,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:32,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:32,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:32,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:32,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:04:32,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:32,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:32,949 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 22:04:32,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203172994] [2020-10-27 22:04:32,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:04:32,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:04:32,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798911498] [2020-10-27 22:04:32,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:04:32,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:04:32,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:04:32,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:04:32,955 INFO L87 Difference]: Start difference. First operand 187 states and 227 transitions. Second operand 6 states. [2020-10-27 22:04:33,802 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:04:35,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:04:35,047 INFO L93 Difference]: Finished difference Result 328 states and 414 transitions. [2020-10-27 22:04:35,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:04:35,047 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2020-10-27 22:04:35,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:04:35,050 INFO L225 Difference]: With dead ends: 328 [2020-10-27 22:04:35,050 INFO L226 Difference]: Without dead ends: 213 [2020-10-27 22:04:35,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:04:35,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-10-27 22:04:35,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 169. [2020-10-27 22:04:35,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-27 22:04:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 197 transitions. [2020-10-27 22:04:35,108 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 197 transitions. Word has length 76 [2020-10-27 22:04:35,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:04:35,109 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 197 transitions. [2020-10-27 22:04:35,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:04:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 197 transitions. [2020-10-27 22:04:35,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-27 22:04:35,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:04:35,110 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] [2020-10-27 22:04:35,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:04:35,111 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 22:04:35,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:04:35,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1422062459, now seen corresponding path program 1 times [2020-10-27 22:04:35,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:04:35,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1744980036] [2020-10-27 22:04:35,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:04:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:35,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:35,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:36,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:39,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:39,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:04:39,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:04:39,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4354 [2020-10-27 22:04:39,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:39,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:04:39,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:04:39,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-27 22:04:39,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:39,859 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:04:39,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:04:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:39,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:39,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:39,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:39,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:39,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 22:04:39,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:39,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:39,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:39,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:39,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:39,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:04:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:39,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:39,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:39,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:39,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:39,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:39,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:39,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:39,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:39,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:39,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:39,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:04:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:39,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:39,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:39,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:39,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:39,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:39,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:39,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:39,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:39,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:39,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:39,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:04:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:39,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:39,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:39,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:39,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:39,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:39,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:39,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:39,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:39,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:39,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:39,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:04:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:39,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:39,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:39,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:39,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:39,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:39,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:39,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:39,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:39,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:39,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:39,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:04:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:39,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:39,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:39,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:39,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:39,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:39,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:04:39,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:39,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:04:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:39,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:39,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:39,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:04:39,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:39,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:04:39,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:04:39,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:39,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:04:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:39,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:39,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:39,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:04:39,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:39,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:39,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:39,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:39,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:39,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:39,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:39,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:04:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:39,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:39,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:39,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:04:39,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:39,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:39,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:39,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:39,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:04:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:39,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:39,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:39,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:39,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:39,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:04:39,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:39,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:39,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:39,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:39,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:39,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 22:04:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:39,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:39,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:39,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:39,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:39,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:39,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:39,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:39,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:39,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:04:39,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:39,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 22:04:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:39,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:39,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:39,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:39,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:39,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:39,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:04:39,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:40,006 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 22:04:40,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1744980036] [2020-10-27 22:04:40,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:04:40,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:04:40,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063568230] [2020-10-27 22:04:40,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:04:40,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:04:40,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:04:40,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:04:40,010 INFO L87 Difference]: Start difference. First operand 169 states and 197 transitions. Second operand 6 states. [2020-10-27 22:04:40,517 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:04:42,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:04:42,466 INFO L93 Difference]: Finished difference Result 367 states and 483 transitions. [2020-10-27 22:04:42,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:04:42,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 81 [2020-10-27 22:04:42,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:04:42,473 INFO L225 Difference]: With dead ends: 367 [2020-10-27 22:04:42,473 INFO L226 Difference]: Without dead ends: 363 [2020-10-27 22:04:42,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:04:42,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-10-27 22:04:42,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 294. [2020-10-27 22:04:42,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-10-27 22:04:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 353 transitions. [2020-10-27 22:04:42,551 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 353 transitions. Word has length 81 [2020-10-27 22:04:42,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:04:42,555 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 353 transitions. [2020-10-27 22:04:42,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:04:42,555 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 353 transitions. [2020-10-27 22:04:42,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-27 22:04:42,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:04:42,559 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:04:42,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:04:42,559 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 22:04:42,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:04:42,560 INFO L82 PathProgramCache]: Analyzing trace with hash -533471554, now seen corresponding path program 1 times [2020-10-27 22:04:42,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:04:42,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086029806] [2020-10-27 22:04:42,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:04:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:42,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:42,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:42,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:43,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:43,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:47,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:47,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 22:04:47,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:04:47,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 22:04:47,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 22:04:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:04:47,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:48,031 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:04:48,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:04:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:48,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 22:04:48,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:48,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:48,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:04:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:48,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:48,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:48,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:48,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:48,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:04:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:48,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:04:48,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:48,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:48,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:48,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:04:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:48,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:48,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:48,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:48,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:04:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:48,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:48,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:48,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:48,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:48,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:04:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:48,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:48,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:48,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:48,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:48,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:04:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:04:48,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:04:48,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:04:48,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:48,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:04:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:04:48,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:04:48,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:04:48,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:04:48,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:04:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:04:48,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:04:48,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:48,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:48,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:04:48,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:04:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:04:48,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:04:48,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:48,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:04:48,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:04:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:48,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:48,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:48,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:48,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:48,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 22:04:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:04:48,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:04:48,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:48,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 22:04:48,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:48,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:04:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:48,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:48,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:48,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:48,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:04:48,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:04:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:48,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:48,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:48,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:04:48,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 22:04:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:48,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:04:48,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:48,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:48,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:04:48,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:48,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 22:04:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:48,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:04:48,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:48,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:04:48,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:48,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:48,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 22:04:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:48,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:48,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:48,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:48,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:48,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:48,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:48,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:48,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:04:48,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:48,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:48,407 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 22:04:48,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086029806] [2020-10-27 22:04:48,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:04:48,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:04:48,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007084669] [2020-10-27 22:04:48,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:04:48,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:04:48,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:04:48,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:04:48,414 INFO L87 Difference]: Start difference. First operand 294 states and 353 transitions. Second operand 8 states. [2020-10-27 22:04:49,077 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:04:50,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:04:50,802 INFO L93 Difference]: Finished difference Result 682 states and 928 transitions. [2020-10-27 22:04:50,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:04:50,803 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2020-10-27 22:04:50,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:04:50,809 INFO L225 Difference]: With dead ends: 682 [2020-10-27 22:04:50,809 INFO L226 Difference]: Without dead ends: 416 [2020-10-27 22:04:50,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:04:50,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-10-27 22:04:50,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 298. [2020-10-27 22:04:50,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-27 22:04:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 355 transitions. [2020-10-27 22:04:50,915 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 355 transitions. Word has length 116 [2020-10-27 22:04:50,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:04:50,917 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 355 transitions. [2020-10-27 22:04:50,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:04:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 355 transitions. [2020-10-27 22:04:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-27 22:04:50,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:04:50,920 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:04:50,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:04:50,921 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 22:04:50,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:04:50,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1132628709, now seen corresponding path program 1 times [2020-10-27 22:04:50,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:04:50,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670579183] [2020-10-27 22:04:50,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:04:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:50,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:51,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:51,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:54,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:55,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:55,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:55,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-27 22:04:55,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:04:55,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 22:04:55,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:04:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-27 22:04:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 22:04:55,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,345 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:04:56,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:04:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:56,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:04:56,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:56,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:04:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:56,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:56,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:56,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:04:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:56,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:56,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:56,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:04:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:56,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:56,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:56,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:04:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:56,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:56,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:56,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:56,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:04:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:56,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:56,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:56,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:04:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:04:56,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 22:04:56,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:56,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:04:56,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:04:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:04:56,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:04:56,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:56,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:04:56,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:04:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:04:56,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:04:56,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:56,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:04:56,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:04:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:04:56,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:04:56,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:04:56,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:04:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:56,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:56,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:56,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:04:56,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 22:04:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:04:56,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:04:56,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:04:56,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 22:04:56,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:04:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:56,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:56,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:56,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:04:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:56,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:56,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:56,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:56,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 22:04:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:56,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:04:56,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:04:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 22:04:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:04:56,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 22:04:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:04:56,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:56,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:04:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:56,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:04:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:04:56,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:04:56,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:04:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:56,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 22:04:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:56,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:04:56,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:04:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 22:04:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:04:56,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:04:56,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:04:56,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:04:56,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:04:56,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:04:56,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:04:56,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:04:56,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:04:56,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:04:56,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:04:56,701 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 22:04:56,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670579183] [2020-10-27 22:04:56,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:04:56,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:04:56,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233174925] [2020-10-27 22:04:56,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:04:56,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:04:56,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:04:56,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:04:56,704 INFO L87 Difference]: Start difference. First operand 298 states and 355 transitions. Second operand 9 states. [2020-10-27 22:04:57,754 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:04:59,815 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:05:01,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:05:01,070 INFO L93 Difference]: Finished difference Result 1036 states and 1414 transitions. [2020-10-27 22:05:01,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 22:05:01,071 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-27 22:05:01,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:05:01,079 INFO L225 Difference]: With dead ends: 1036 [2020-10-27 22:05:01,079 INFO L226 Difference]: Without dead ends: 766 [2020-10-27 22:05:01,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:05:01,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2020-10-27 22:05:01,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 621. [2020-10-27 22:05:01,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-27 22:05:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 748 transitions. [2020-10-27 22:05:01,246 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 748 transitions. Word has length 124 [2020-10-27 22:05:01,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:05:01,246 INFO L481 AbstractCegarLoop]: Abstraction has 621 states and 748 transitions. [2020-10-27 22:05:01,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:05:01,247 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 748 transitions. [2020-10-27 22:05:01,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-27 22:05:01,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:05:01,250 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:05:01,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:05:01,251 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 22:05:01,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:05:01,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1109996455, now seen corresponding path program 1 times [2020-10-27 22:05:01,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:05:01,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557574773] [2020-10-27 22:05:01,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:05:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:01,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:01,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:02,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:06,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:06,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-27 22:05:06,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:05:06,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:05:06,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:05:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:05:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:05:06,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:06,701 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:05:06,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:05:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:06,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:06,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:06,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:06,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:06,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 22:05:06,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:05:06,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:06,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:05:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:06,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:06,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:06,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:05:06,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:06,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:05:06,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:06,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:05:06,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:06,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:05:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:06,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:06,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:06,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:05:06,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:06,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:06,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:06,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:06,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:06,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:05:06,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:06,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:05:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:06,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:06,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:06,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:06,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:06,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:06,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:06,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:06,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:06,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:05:06,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:06,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:05:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:06,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:06,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:06,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:05:06,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:06,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:06,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:06,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:06,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:06,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:05:06,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:06,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:05:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:06,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:06,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:06,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:06,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:06,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:06,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:06,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:06,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:06,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:05:06,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:06,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:05:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:06,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:06,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:06,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:05:06,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:06,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:05:06,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:05:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 22:05:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:05:06,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:06,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:05:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:06,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:06,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:06,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:05:06,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:06,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:05:06,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:05:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:05:06,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:06,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:05:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:06,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:06,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:06,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:05:06,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:06,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:05:06,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:06,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:05:06,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:06,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:05:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:06,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:06,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:06,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:05:06,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:06,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:05:06,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:06,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:06,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:05:06,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:06,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:05:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:07,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:07,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:07,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:07,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:07,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:05:07,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:05:07,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:07,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 22:05:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:07,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:07,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:07,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:05:07,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:07,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:05:07,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:07,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:07,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:07,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 22:05:07,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:07,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:05:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:07,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:07,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:07,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:07,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:07,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:07,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:07,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:07,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:05:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:07,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:07,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:07,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:07,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:07,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:07,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:07,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:07,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:07,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:07,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:07,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 22:05:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:07,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:07,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:07,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:07,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:07,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:07,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:07,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:07,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:05:07,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:07,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:07,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 22:05:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:07,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:07,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:07,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:05:07,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:07,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:07,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:07,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:05:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:07,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:07,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:05:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:07,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:07,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:07,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:05:07,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:07,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:07,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:07,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:07,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:07,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:07,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:07,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 22:05:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:07,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:07,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:07,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:07,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:07,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:07,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:05:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:07,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:07,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 22:05:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:07,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:07,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:07,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:07,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:07,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:07,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:07,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:07,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:05:07,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:07,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 22:05:07,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557574773] [2020-10-27 22:05:07,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:05:07,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 22:05:07,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750237074] [2020-10-27 22:05:07,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 22:05:07,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:05:07,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 22:05:07,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:05:07,123 INFO L87 Difference]: Start difference. First operand 621 states and 748 transitions. Second operand 11 states. [2020-10-27 22:05:07,829 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:05:09,116 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-27 22:05:11,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:05:11,601 INFO L93 Difference]: Finished difference Result 1372 states and 1707 transitions. [2020-10-27 22:05:11,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 22:05:11,601 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 124 [2020-10-27 22:05:11,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:05:11,608 INFO L225 Difference]: With dead ends: 1372 [2020-10-27 22:05:11,608 INFO L226 Difference]: Without dead ends: 779 [2020-10-27 22:05:11,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2020-10-27 22:05:11,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2020-10-27 22:05:11,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 696. [2020-10-27 22:05:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2020-10-27 22:05:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 834 transitions. [2020-10-27 22:05:11,820 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 834 transitions. Word has length 124 [2020-10-27 22:05:11,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:05:11,820 INFO L481 AbstractCegarLoop]: Abstraction has 696 states and 834 transitions. [2020-10-27 22:05:11,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 22:05:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 834 transitions. [2020-10-27 22:05:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-27 22:05:11,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:05:11,824 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:05:11,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:05:11,824 INFO L429 AbstractCegarLoop]: === Iteration 9 === [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 22:05:11,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:05:11,825 INFO L82 PathProgramCache]: Analyzing trace with hash 446256833, now seen corresponding path program 1 times [2020-10-27 22:05:11,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:05:11,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [896975453] [2020-10-27 22:05:11,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:05:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:11,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:12,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:13,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:13,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 22:05:13,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:05:13,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1581 [2020-10-27 22:05:13,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:05:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:05:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 22:05:13,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:13,814 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:05:13,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:05:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:13,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:13,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:13,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:13,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:13,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 22:05:13,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:05:13,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:13,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:05:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:13,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:13,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:13,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:05:13,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:13,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:05:13,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:05:13,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:13,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:05:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:13,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:13,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:13,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:05:13,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:13,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:13,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:13,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:13,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:13,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:05:13,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:13,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:05:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:13,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:13,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:13,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:13,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:13,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:13,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:13,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:13,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:13,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:05:13,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:13,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:05:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:13,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:13,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:13,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:05:13,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:13,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:05:13,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:13,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:13,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:13,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:05:13,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:13,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:05:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:13,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:13,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:13,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:13,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:13,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:13,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:05:13,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:13,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:05:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:13,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:13,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:13,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:13,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:13,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:05:13,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:13,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:13,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:13,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:05:13,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:13,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 22:05:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:13,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:13,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:13,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:05:13,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:13,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:05:13,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:13,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:05:13,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 22:05:13,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 22:05:13,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:13,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:05:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:14,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:14,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:14,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:05:14,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:14,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:05:14,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:14,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:14,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:14,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:14,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:05:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:14,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:14,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:14,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:05:14,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:14,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:05:14,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:14,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:14,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:05:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:14,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:14,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:14,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:05:14,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:14,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:14,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:14,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:14,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:14,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:14,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:14,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:05:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:14,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:14,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:14,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:14,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:14,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:05:14,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:14,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:14,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 22:05:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:14,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:14,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:14,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:05:14,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:14,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:05:14,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:05:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 22:05:14,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:14,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:05:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:14,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:14,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:14,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:14,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:14,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:05:14,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:14,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:05:14,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:14,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:05:14,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:14,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:05:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:14,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:14,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:14,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:14,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:14,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:14,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:14,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:05:14,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:14,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:05:14,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:14,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 22:05:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:14,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:14,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:14,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:14,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:14,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:14,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:14,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:14,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:05:14,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:14,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:14,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 22:05:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:14,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:14,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:14,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:05:14,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:14,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:14,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:14,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:14,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:05:14,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:14,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:14,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:05:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:14,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:14,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:14,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:05:14,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:14,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:05:14,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:14,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:14,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:05:14,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:14,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:14,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 22:05:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:14,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:14,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:14,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:14,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:14,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:14,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:05:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:14,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:14,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 22:05:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:05:14,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:05:14,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:05:14,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:05:14,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:05:14,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:05:14,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:05:14,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:05:14,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:05:14,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:05:14,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:05:14,257 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 22:05:14,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [896975453] [2020-10-27 22:05:14,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:05:14,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:05:14,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371486506] [2020-10-27 22:05:14,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:05:14,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:05:14,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:05:14,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:05:14,260 INFO L87 Difference]: Start difference. First operand 696 states and 834 transitions. Second operand 12 states. [2020-10-27 22:05:15,099 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:05:16,099 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:05:17,232 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:05:17,709 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:05:18,526 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-10-27 22:05:18,915 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:05:19,429 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:05:19,909 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 22:05:21,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:05:21,313 INFO L93 Difference]: Finished difference Result 1990 states and 2523 transitions. [2020-10-27 22:05:21,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 22:05:21,313 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 128 [2020-10-27 22:05:21,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:05:21,322 INFO L225 Difference]: With dead ends: 1990 [2020-10-27 22:05:21,323 INFO L226 Difference]: Without dead ends: 1322 [2020-10-27 22:05:21,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=272, Invalid=988, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 22:05:21,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2020-10-27 22:05:21,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1233. [2020-10-27 22:05:21,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1233 states. [2020-10-27 22:05:21,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1450 transitions. [2020-10-27 22:05:21,646 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1450 transitions. Word has length 128 [2020-10-27 22:05:21,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:05:21,646 INFO L481 AbstractCegarLoop]: Abstraction has 1233 states and 1450 transitions. [2020-10-27 22:05:21,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:05:21,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1450 transitions. [2020-10-27 22:05:21,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 22:05:21,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:05:21,651 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:21,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:05:21,651 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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 22:05:21,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:05:21,652 INFO L82 PathProgramCache]: Analyzing trace with hash 865319965, now seen corresponding path program 1 times [2020-10-27 22:05:21,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:05:21,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098160679] [2020-10-27 22:05:21,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:05:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 22:05:21,696 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 22:05:21,696 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 22:05:21,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:05:21,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:05:21 BoogieIcfgContainer [2020-10-27 22:05:21,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:05:21,731 INFO L168 Benchmark]: Toolchain (without parser) took 87214.62 ms. Allocated memory was 151.0 MB in the beginning and 865.1 MB in the end (delta: 714.1 MB). Free memory was 125.9 MB in the beginning and 545.8 MB in the end (delta: -419.9 MB). Peak memory consumption was 294.9 MB. Max. memory is 8.0 GB. [2020-10-27 22:05:21,731 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:05:21,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.91 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 103.8 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:05:21,733 INFO L168 Benchmark]: Boogie Preprocessor took 221.72 ms. Allocated memory is still 151.0 MB. Free memory was 103.8 MB in the beginning and 132.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. [2020-10-27 22:05:21,733 INFO L168 Benchmark]: RCFGBuilder took 1726.27 ms. Allocated memory is still 151.0 MB. Free memory was 132.5 MB in the beginning and 127.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:05:21,734 INFO L168 Benchmark]: TraceAbstraction took 84615.32 ms. Allocated memory was 151.0 MB in the beginning and 865.1 MB in the end (delta: 714.1 MB). Free memory was 127.3 MB in the beginning and 545.8 MB in the end (delta: -418.6 MB). Peak memory consumption was 296.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:05:21,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 634.91 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 103.8 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 221.72 ms. Allocated memory is still 151.0 MB. Free memory was 103.8 MB in the beginning and 132.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1726.27 ms. Allocated memory is still 151.0 MB. Free memory was 132.5 MB in the beginning and 127.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 84615.32 ms. Allocated memory was 151.0 MB in the beginning and 865.1 MB in the end (delta: 714.1 MB). Free memory was 127.3 MB in the beginning and 545.8 MB in the end (delta: -418.6 MB). Peak memory consumption was 296.0 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: [L42] int cleanupTimeShifts = 4; [L153] int waterLevel = 1; [L154] int methaneLevelCritical = 0; [L257] int methAndRunningLastTime ; [L500] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L767] int pumpRunning = 0; [L768] int systemActive = 1; [L125] int retValue_acc ; [L126] int tmp ; [L130] FCALL select_helpers() [L131] FCALL select_features() [L132] CALL, EXPR valid_product() [L322] int retValue_acc ; [L325] retValue_acc = 1 [L326] return (retValue_acc); [L132] RET, EXPR valid_product() [L132] tmp = valid_product() [L134] COND TRUE \read(tmp) [L136] FCALL setup() [L137] CALL runTest() [L115] CALL __utac_acc__Specification2_spec__1() [L262] methAndRunningLastTime = 0 [L115] RET __utac_acc__Specification2_spec__1() [L116] CALL test() [L699] int splverifierCounter ; [L700] int tmp ; [L701] int tmp___0 ; [L702] int tmp___1 ; [L703] int tmp___2 ; [L706] splverifierCounter = 0 [L708] COND TRUE 1 [L710] COND TRUE splverifierCounter < 4 [L716] tmp = __VERIFIER_nondet_int() [L718] COND TRUE \read(tmp) [L720] CALL waterRise() [L171] COND TRUE waterLevel < 2 [L172] waterLevel = waterLevel + 1 [L720] RET waterRise() [L726] tmp___0 = __VERIFIER_nondet_int() [L728] COND TRUE \read(tmp___0) [L730] CALL changeMethaneLevel() [L183] COND FALSE !(\read(methaneLevelCritical)) [L186] methaneLevelCritical = 1 [L730] RET changeMethaneLevel() [L736] tmp___2 = __VERIFIER_nondet_int() [L738] COND FALSE !(\read(tmp___2)) [L744] tmp___1 = __VERIFIER_nondet_int() [L746] COND FALSE !(\read(tmp___1)) [L753] CALL timeShift() [L774] COND FALSE !(\read(pumpRunning)) [L781] COND TRUE \read(systemActive) [L783] CALL processEnvironment() [L803] int tmp ; [L806] COND TRUE ! pumpRunning [L808] CALL, EXPR isHighWaterLevel() [L900] int retValue_acc ; [L901] int tmp ; [L902] int tmp___0 ; [L906] CALL, EXPR isHighWaterSensorDry() [L233] int retValue_acc ; [L236] COND FALSE !(waterLevel < 2) [L240] retValue_acc = 0 [L241] return (retValue_acc); [L906] RET, EXPR isHighWaterSensorDry() [L906] tmp = isHighWaterSensorDry() [L908] COND FALSE !(\read(tmp)) [L911] tmp___0 = 1 [L913] retValue_acc = tmp___0 [L914] return (retValue_acc); [L808] RET, EXPR isHighWaterLevel() [L808] tmp = isHighWaterLevel() [L810] COND TRUE \read(tmp) [L812] CALL activatePump() [L831] pumpRunning = 1 [L812] RET activatePump() [L783] RET processEnvironment() [L789] CALL __utac_acc__Specification2_spec__2() [L267] int tmp ; [L268] int tmp___0 ; [L272] CALL, EXPR isMethaneLevelCritical() [L192] int retValue_acc ; [L195] retValue_acc = methaneLevelCritical [L196] return (retValue_acc); [L272] RET, EXPR isMethaneLevelCritical() [L272] tmp = isMethaneLevelCritical() [L274] COND TRUE \read(tmp) [L276] CALL, EXPR isPumpRunning() [L855] int retValue_acc ; [L858] retValue_acc = pumpRunning [L859] return (retValue_acc); [L276] RET, EXPR isPumpRunning() [L276] tmp___0 = isPumpRunning() [L278] COND TRUE \read(tmp___0) [L279] COND FALSE !(\read(methAndRunningLastTime)) [L284] methAndRunningLastTime = 1 [L789] RET __utac_acc__Specification2_spec__2() [L753] RET timeShift() [L708] COND TRUE 1 [L710] COND TRUE splverifierCounter < 4 [L716] tmp = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp)) [L726] tmp___0 = __VERIFIER_nondet_int() [L728] COND FALSE !(\read(tmp___0)) [L736] tmp___2 = __VERIFIER_nondet_int() [L738] COND FALSE !(\read(tmp___2)) [L744] tmp___1 = __VERIFIER_nondet_int() [L746] COND FALSE !(\read(tmp___1)) [L753] CALL timeShift() [L774] COND TRUE \read(pumpRunning) [L776] CALL lowerWaterLevel() [L159] COND TRUE waterLevel > 0 [L160] waterLevel = waterLevel - 1 [L776] RET lowerWaterLevel() [L781] COND TRUE \read(systemActive) [L783] CALL processEnvironment() [L803] int tmp ; [L806] COND FALSE !(! pumpRunning) [L821] FCALL processEnvironment__wrappee__base() [L783] RET processEnvironment() [L789] CALL __utac_acc__Specification2_spec__2() [L267] int tmp ; [L268] int tmp___0 ; [L272] CALL, EXPR isMethaneLevelCritical() [L192] int retValue_acc ; [L195] retValue_acc = methaneLevelCritical [L196] return (retValue_acc); [L272] RET, EXPR isMethaneLevelCritical() [L272] tmp = isMethaneLevelCritical() [L274] COND TRUE \read(tmp) [L276] CALL, EXPR isPumpRunning() [L855] int retValue_acc ; [L858] retValue_acc = pumpRunning [L859] return (retValue_acc); [L276] RET, EXPR isPumpRunning() [L276] tmp___0 = isPumpRunning() [L278] COND TRUE \read(tmp___0) [L279] COND TRUE \read(methAndRunningLastTime) [L281] CALL __automaton_fail() [L251] CALL reach_error() [L3] __assert_fail("0", "minepump_spec2_product34.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 84.5s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 34.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1077 SDtfs, 2894 SDslu, 1327 SDs, 0 SdLazy, 5116 SolverSat, 2287 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 450 GetRequests, 294 SyntacticMatches, 7 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 16.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1233occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 703 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 47.3s InterpolantComputationTime, 1004 NumberOfCodeBlocks, 1004 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 863 ConstructedInterpolants, 0 QuantifiedInterpolants, 323340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 124/133 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...