/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:42:24,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:42:24,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:42:24,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:42:24,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:42:24,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:42:24,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:42:24,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:42:24,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:42:24,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:42:24,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:42:24,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:42:24,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:42:24,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:42:24,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:42:24,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:42:24,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:42:24,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:42:24,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:42:24,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:42:24,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:42:24,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:42:24,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:42:24,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:42:24,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:42:24,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:42:24,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:42:24,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:42:24,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:42:24,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:42:24,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:42:24,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:42:24,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:42:24,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:42:24,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:42:24,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:42:24,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:42:24,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:42:24,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:42:24,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:42:24,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:42:24,867 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 03:42:24,916 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:42:24,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:42:24,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:42:24,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:42:24,920 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:42:24,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:42:24,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:42:24,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:42:24,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:42:24,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:42:24,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:42:24,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:42:24,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:42:24,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:42:24,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:42:24,923 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:42:24,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:42:24,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:42:24,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:42:24,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:42:24,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:42:24,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:42:24,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:42:24,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:42:24,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:42:24,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:42:24,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:42:24,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:42:24,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:42:24,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:42:25,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:42:25,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:42:25,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:42:25,367 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:42:25,368 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:42:25,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product47.cil.c [2020-10-27 03:42:25,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef02d3818/7fde013f5e3b4bbbbbb5031351536cce/FLAGc7182aaf7 [2020-10-27 03:42:26,057 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:42:26,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product47.cil.c [2020-10-27 03:42:26,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef02d3818/7fde013f5e3b4bbbbbb5031351536cce/FLAGc7182aaf7 [2020-10-27 03:42:26,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef02d3818/7fde013f5e3b4bbbbbb5031351536cce [2020-10-27 03:42:26,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:42:26,370 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:42:26,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:42:26,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:42:26,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:42:26,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:42:26" (1/1) ... [2020-10-27 03:42:26,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330b3feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:42:26, skipping insertion in model container [2020-10-27 03:42:26,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:42:26" (1/1) ... [2020-10-27 03:42:26,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:42:26,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:42:26,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:42:26,870 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:42:26,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:42:27,004 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:42:27,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:42:27 WrapperNode [2020-10-27 03:42:27,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:42:27,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:42:27,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:42:27,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:42:27,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:42:27" (1/1) ... [2020-10-27 03:42:27,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:42:27" (1/1) ... [2020-10-27 03:42:27,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:42:27" (1/1) ... [2020-10-27 03:42:27,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:42:27" (1/1) ... [2020-10-27 03:42:27,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:42:27" (1/1) ... [2020-10-27 03:42:27,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:42:27" (1/1) ... [2020-10-27 03:42:27,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:42:27" (1/1) ... [2020-10-27 03:42:27,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:42:27,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:42:27,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:42:27,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:42:27,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:42:27" (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 03:42:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:42:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:42:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:42:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:42:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:42:27,161 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:42:27,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:42:27,161 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:42:27,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:42:27,161 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:42:27,161 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:42:27,162 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 03:42:27,162 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 03:42:27,162 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:42:27,162 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:42:27,162 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:42:27,162 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:42:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:42:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:42:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:42:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 03:42:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-27 03:42:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:42:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:42:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:42:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:42:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:42:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:42:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:42:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:42:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:42:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:42:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:42:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:42:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:42:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:42:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:42:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:42:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:42:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:42:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 03:42:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:42:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:42:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:42:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:42:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:42:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:42:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:42:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:42:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:42:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:42:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:42:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:42:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:42:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:42:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:42:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:42:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:42:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:42:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:42:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-27 03:42:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:42:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:42:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:42:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 03:42:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:42:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:42:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:42:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:42:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:42:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 03:42:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 03:42:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 03:42:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:42:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:42:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:42:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:42:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:42:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:42:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:42:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:42:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:42:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:42:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:42:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:42:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:42:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:42:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:42:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:42:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:42:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:42:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:42:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:42:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:42:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:42:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:42:28,383 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:42:28,384 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:42:28,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:42:28 BoogieIcfgContainer [2020-10-27 03:42:28,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:42:28,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:42:28,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:42:28,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:42:28,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:42:26" (1/3) ... [2020-10-27 03:42:28,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbdcc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:42:28, skipping insertion in model container [2020-10-27 03:42:28,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:42:27" (2/3) ... [2020-10-27 03:42:28,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbdcc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:42:28, skipping insertion in model container [2020-10-27 03:42:28,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:42:28" (3/3) ... [2020-10-27 03:42:28,399 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product47.cil.c [2020-10-27 03:42:28,412 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:42:28,418 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:42:28,431 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:42:28,479 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:42:28,479 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:42:28,480 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:42:28,480 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:42:28,480 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:42:28,480 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:42:28,480 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:42:28,481 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:42:28,503 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-10-27 03:42:28,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 03:42:28,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:28,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:42:28,514 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 03:42:28,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:28,521 INFO L82 PathProgramCache]: Analyzing trace with hash 2135674437, now seen corresponding path program 1 times [2020-10-27 03:42:28,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:28,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061373239] [2020-10-27 03:42:28,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:28,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:29,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:29,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:31,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:31,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:33,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:33,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 03:42:33,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:42:33,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 03:42:33,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:33,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:42:33,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:33,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 03:42:33,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-27 03:42:34,324 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:34,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:34,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:34,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:34,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:34,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:34,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 03:42:34,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:34,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:34,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:34,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:34,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:34,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:34,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:34,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:34,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:34,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:34,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:34,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:42:34,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:34,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:34,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:34,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:34,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:34,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:34,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:34,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:34,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:34,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:34,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:34,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:34,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:34,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:34,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:34,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:34,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:34,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:34,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:34,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:34,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:34,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:34,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:34,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:34,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:34,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:42:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:34,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:34,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:34,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:34,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:42:34,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:34,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:42:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:34,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:34,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:34,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:34,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:34,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:34,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:34,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:34,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:34,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:34,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:42:34,593 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 03:42:34,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061373239] [2020-10-27 03:42:34,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:34,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:42:34,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051333722] [2020-10-27 03:42:34,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:42:34,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:34,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:42:34,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:42:34,623 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 7 states. [2020-10-27 03:42:35,214 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:36,563 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 206 [2020-10-27 03:42:37,069 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:37,508 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:37,945 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:42:40,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:40,382 INFO L93 Difference]: Finished difference Result 465 states and 623 transitions. [2020-10-27 03:42:40,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 03:42:40,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 03:42:40,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:40,400 INFO L225 Difference]: With dead ends: 465 [2020-10-27 03:42:40,400 INFO L226 Difference]: Without dead ends: 300 [2020-10-27 03:42:40,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:42:40,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-10-27 03:42:40,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 259. [2020-10-27 03:42:40,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-10-27 03:42:40,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 315 transitions. [2020-10-27 03:42:40,565 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 315 transitions. Word has length 47 [2020-10-27 03:42:40,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:40,566 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 315 transitions. [2020-10-27 03:42:40,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:42:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 315 transitions. [2020-10-27 03:42:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 03:42:40,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:40,583 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 03:42:40,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:42:40,584 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 03:42:40,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:40,585 INFO L82 PathProgramCache]: Analyzing trace with hash -904659085, now seen corresponding path program 1 times [2020-10-27 03:42:40,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:40,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753339225] [2020-10-27 03:42:40,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:42,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:43,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:43,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 03:42:43,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:42:43,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2802 [2020-10-27 03:42:43,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:43,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:42:43,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:43,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 03:42:43,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:43,759 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:43,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:43,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:43,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:43,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:43,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 03:42:43,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:43,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:43,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:43,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:43,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:43,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:43,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:43,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:43,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:43,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:43,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:43,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:43,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:43,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:43,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:43,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:43,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:43,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:43,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:43,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:43,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:43,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:43,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:43,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:43,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:43,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:43,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:43,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:43,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:43,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:43,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:43,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:43,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:43,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:43,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:43,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:43,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:43,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:42:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:43,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:43,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:43,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:43,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:43,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:43,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:43,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:43,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:43,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:43,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:43,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:42:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:43,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:43,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:43,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:43,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:43,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:43,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:43,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:43,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:43,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:43,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:43,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 03:42:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:43,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:43,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:43,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:43,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:43,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:43,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:43,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:43,964 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 03:42:43,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753339225] [2020-10-27 03:42:43,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:43,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 03:42:43,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098481494] [2020-10-27 03:42:43,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 03:42:43,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:43,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 03:42:43,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 03:42:43,968 INFO L87 Difference]: Start difference. First operand 259 states and 315 transitions. Second operand 5 states. [2020-10-27 03:42:44,473 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:47,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:47,254 INFO L93 Difference]: Finished difference Result 807 states and 1040 transitions. [2020-10-27 03:42:47,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 03:42:47,255 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-27 03:42:47,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:47,265 INFO L225 Difference]: With dead ends: 807 [2020-10-27 03:42:47,266 INFO L226 Difference]: Without dead ends: 572 [2020-10-27 03:42:47,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:42:47,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-10-27 03:42:47,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 472. [2020-10-27 03:42:47,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-10-27 03:42:47,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 580 transitions. [2020-10-27 03:42:47,418 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 580 transitions. Word has length 52 [2020-10-27 03:42:47,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:47,419 INFO L481 AbstractCegarLoop]: Abstraction has 472 states and 580 transitions. [2020-10-27 03:42:47,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 03:42:47,419 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 580 transitions. [2020-10-27 03:42:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 03:42:47,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:47,423 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] [2020-10-27 03:42:47,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:42:47,423 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 03:42:47,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:47,424 INFO L82 PathProgramCache]: Analyzing trace with hash 436737445, now seen corresponding path program 1 times [2020-10-27 03:42:47,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:47,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263527900] [2020-10-27 03:42:47,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:48,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:48,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:48,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:52,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:52,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 03:42:52,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:42:52,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 03:42:52,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:52,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:42:52,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:52,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 03:42:52,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:52,834 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:52,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:52,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:52,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:52,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:52,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:52,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 03:42:52,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:52,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:52,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:52,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:52,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:52,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:52,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:52,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:52,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:52,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:52,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:52,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:52,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:52,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:52,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:52,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:52,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:52,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:52,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:52,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:52,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:52,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:52,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:52,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:52,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:52,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:52,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:52,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:52,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:52,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:52,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:52,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:52,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:52,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:52,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:52,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:52,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:52,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:52,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:52,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:52,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:52,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:52,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:52,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:52,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:52,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:52,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:52,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:52,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:42:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:52,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:52,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:52,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:52,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:52,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:52,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:52,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:52,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:52,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:52,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:42:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:53,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:53,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:42:53,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:42:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 03:42:53,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 03:42:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:53,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:53,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:53,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 03:42:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:53,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:53,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:53,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,158 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 03:42:53,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [263527900] [2020-10-27 03:42:53,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:53,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 03:42:53,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547816466] [2020-10-27 03:42:53,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:42:53,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:53,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:42:53,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:42:53,163 INFO L87 Difference]: Start difference. First operand 472 states and 580 transitions. Second operand 10 states. [2020-10-27 03:42:53,794 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:55,091 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:55,561 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:55,938 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:56,924 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:57,371 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:42:59,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:59,303 INFO L93 Difference]: Finished difference Result 1328 states and 1877 transitions. [2020-10-27 03:42:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 03:42:59,304 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-10-27 03:42:59,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:59,312 INFO L225 Difference]: With dead ends: 1328 [2020-10-27 03:42:59,312 INFO L226 Difference]: Without dead ends: 880 [2020-10-27 03:42:59,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-10-27 03:42:59,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-10-27 03:42:59,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 716. [2020-10-27 03:42:59,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-27 03:42:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 903 transitions. [2020-10-27 03:42:59,510 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 903 transitions. Word has length 62 [2020-10-27 03:42:59,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:59,511 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 903 transitions. [2020-10-27 03:42:59,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:42:59,511 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 903 transitions. [2020-10-27 03:42:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-27 03:42:59,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:59,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:42:59,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:42:59,515 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 03:42:59,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:59,515 INFO L82 PathProgramCache]: Analyzing trace with hash 2003666585, now seen corresponding path program 1 times [2020-10-27 03:42:59,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:59,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139046312] [2020-10-27 03:42:59,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:59,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:59,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:59,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:04,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:04,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 03:43:04,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:43:04,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 03:43:04,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:43:04,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:04,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 03:43:04,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:04,921 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:43:04,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:43:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:04,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:05,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 03:43:05,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:05,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:05,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:43:05,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:43:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:05,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:05,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:05,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:05,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:05,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:43:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:05,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:43:05,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:05,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:05,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:05,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:05,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:43:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:05,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:05,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:05,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:05,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:05,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:43:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:05,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:43:05,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:05,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:05,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:43:05,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:43:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 03:43:05,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:05,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 03:43:05,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 03:43:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 03:43:05,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:43:05,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:05,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 03:43:05,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:05,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:05,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:43:05,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:05,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:43:05,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:05,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:05,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:43:05,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:05,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:05,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:43:05,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:43:05,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:43:05,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:05,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:05,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:43:05,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:05,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:05,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:05,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:05,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:05,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:05,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:05,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:05,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:05,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:05,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:05,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:05,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:05,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:05,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:05,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 03:43:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:05,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:05,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:05,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:05,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 03:43:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:05,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:05,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:05,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:05,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:05,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:05,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:05,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:05,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:05,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:05,333 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 03:43:05,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139046312] [2020-10-27 03:43:05,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:43:05,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 03:43:05,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677488338] [2020-10-27 03:43:05,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:43:05,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:43:05,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:43:05,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:43:05,337 INFO L87 Difference]: Start difference. First operand 716 states and 903 transitions. Second operand 9 states. [2020-10-27 03:43:05,822 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:06,603 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:08,646 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:10,579 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-27 03:43:14,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:14,084 INFO L93 Difference]: Finished difference Result 2372 states and 3661 transitions. [2020-10-27 03:43:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 03:43:14,085 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2020-10-27 03:43:14,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:14,104 INFO L225 Difference]: With dead ends: 2372 [2020-10-27 03:43:14,104 INFO L226 Difference]: Without dead ends: 1965 [2020-10-27 03:43:14,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2020-10-27 03:43:14,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2020-10-27 03:43:14,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1671. [2020-10-27 03:43:14,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1671 states. [2020-10-27 03:43:14,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2274 transitions. [2020-10-27 03:43:14,466 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2274 transitions. Word has length 99 [2020-10-27 03:43:14,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:14,466 INFO L481 AbstractCegarLoop]: Abstraction has 1671 states and 2274 transitions. [2020-10-27 03:43:14,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:43:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2274 transitions. [2020-10-27 03:43:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-27 03:43:14,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:14,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:43:14,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:43:14,470 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 03:43:14,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:14,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1763126456, now seen corresponding path program 1 times [2020-10-27 03:43:14,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:14,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600782443] [2020-10-27 03:43:14,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:14,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:14,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:14,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:15,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:19,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:19,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 03:43:19,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:43:19,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 03:43:19,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 03:43:19,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:19,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 03:43:19,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:19,953 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:43:19,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:43:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:20,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:20,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-27 03:43:20,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:20,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:43:20,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:43:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:20,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:20,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:20,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:20,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:20,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:43:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:20,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:20,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:20,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:20,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:20,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:20,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:20,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:20,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:20,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:43:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:20,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:20,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:20,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:20,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:43:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:20,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:20,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:43:20,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:20,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:20,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:43:20,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:43:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 03:43:20,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:43:20,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 03:43:20,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 03:43:20,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:43:20,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:43:20,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 03:43:20,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:43:20,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:20,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:20,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:43:20,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:43:20,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:20,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:20,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:20,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:20,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:43:20,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:43:20,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:20,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:43:20,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:20,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:43:20,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:20,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:20,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:20,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:20,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:20,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:20,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:20,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:20,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:20,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:20,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:20,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:20,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:20,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 03:43:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:20,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:20,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:20,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:20,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:20,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:20,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 03:43:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:20,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:20,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:20,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:20,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:20,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:20,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:20,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:20,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:20,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:20,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:20,570 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 03:43:20,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600782443] [2020-10-27 03:43:20,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:43:20,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 03:43:20,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087280542] [2020-10-27 03:43:20,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 03:43:20,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:43:20,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 03:43:20,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:43:20,575 INFO L87 Difference]: Start difference. First operand 1671 states and 2274 transitions. Second operand 12 states. [2020-10-27 03:43:21,279 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:22,123 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:22,889 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:23,318 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:43:23,709 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:43:24,082 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:24,528 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:43:24,949 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:43:26,915 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:27,519 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:28,081 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:43:28,438 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:28,922 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:43:29,403 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:43:33,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:33,227 INFO L93 Difference]: Finished difference Result 4165 states and 6387 transitions. [2020-10-27 03:43:33,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 03:43:33,228 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 99 [2020-10-27 03:43:33,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:33,249 INFO L225 Difference]: With dead ends: 4165 [2020-10-27 03:43:33,249 INFO L226 Difference]: Without dead ends: 2742 [2020-10-27 03:43:33,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=306, Invalid=1100, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 03:43:33,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2742 states. [2020-10-27 03:43:33,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2742 to 2384. [2020-10-27 03:43:33,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2384 states. [2020-10-27 03:43:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2384 states and 3276 transitions. [2020-10-27 03:43:33,746 INFO L78 Accepts]: Start accepts. Automaton has 2384 states and 3276 transitions. Word has length 99 [2020-10-27 03:43:33,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:33,747 INFO L481 AbstractCegarLoop]: Abstraction has 2384 states and 3276 transitions. [2020-10-27 03:43:33,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 03:43:33,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 3276 transitions. [2020-10-27 03:43:33,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-27 03:43:33,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:33,752 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:43:33,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:43:33,752 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 03:43:33,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:33,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1526726580, now seen corresponding path program 1 times [2020-10-27 03:43:33,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:33,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1325501017] [2020-10-27 03:43:33,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:33,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:33,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:33,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:33,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:33,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:35,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:36,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:36,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-27 03:43:36,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:43:36,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2597 [2020-10-27 03:43:36,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:36,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:36,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 03:43:36,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 03:43:36,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:36,798 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:43:36,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:43:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:36,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:36,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:36,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:36,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:36,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 03:43:36,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:36,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:36,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:36,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:43:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:36,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:36,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:36,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:36,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:36,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:36,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:36,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:36,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:43:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:36,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:36,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:36,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:36,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:36,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:36,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:36,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:36,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:36,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:36,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:36,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:36,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:36,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:36,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:36,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:36,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:36,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:36,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:36,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:36,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:36,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:36,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:43:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:36,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:36,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:36,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:36,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:36,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:36,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:36,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:36,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:36,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:36,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:36,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 03:43:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:36,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:36,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:36,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:36,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:36,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:36,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:36,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:43:36,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:36,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:43:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:36,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:36,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:36,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:43:36,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:36,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:43:36,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 03:43:36,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:36,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:36,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:36,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:36,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:43:36,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:36,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:36,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:36,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:36,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:36,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:36,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:36,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:36,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:36,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:36,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:36,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:36,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:36,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:36,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:36,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 03:43:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:36,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 03:43:37,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:37,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 03:43:37,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:37,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:43:37,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:43:37,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:37,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 03:43:37,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 03:43:37,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:37,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 03:43:37,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:43:37,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:37,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:43:37,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 03:43:37,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:37,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 03:43:37,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:43:37,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:37,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:37,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:43:37,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:43:37,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:37,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:37,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:37,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:37,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:37,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:37,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:37,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:43:37,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:43:37,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:37,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:43:37,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:37,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:37,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:37,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:37,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:37,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:37,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:37,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:37,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:37,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:37,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:37,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:37,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:37,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:37,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:37,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 03:43:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:43:37,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:37,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:43:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:37,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:37,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:37,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:37,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:37,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:37,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 03:43:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:37,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:37,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:37,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:37,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 03:43:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:37,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:37,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:37,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:37,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:37,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:37,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 03:43:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:37,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:37,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:37,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:37,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:37,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:37,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:37,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:37,452 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 03:43:37,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1325501017] [2020-10-27 03:43:37,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:43:37,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 03:43:37,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988877735] [2020-10-27 03:43:37,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 03:43:37,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:43:37,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 03:43:37,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:43:37,455 INFO L87 Difference]: Start difference. First operand 2384 states and 3276 transitions. Second operand 12 states. [2020-10-27 03:43:38,285 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:39,215 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:39,603 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:43:40,007 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:40,434 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:42,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:42,123 INFO L93 Difference]: Finished difference Result 4597 states and 6368 transitions. [2020-10-27 03:43:42,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 03:43:42,124 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 143 [2020-10-27 03:43:42,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:42,142 INFO L225 Difference]: With dead ends: 4597 [2020-10-27 03:43:42,142 INFO L226 Difference]: Without dead ends: 2237 [2020-10-27 03:43:42,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2020-10-27 03:43:42,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2237 states. [2020-10-27 03:43:42,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2237 to 2108. [2020-10-27 03:43:42,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2108 states. [2020-10-27 03:43:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 2108 states and 2609 transitions. [2020-10-27 03:43:42,643 INFO L78 Accepts]: Start accepts. Automaton has 2108 states and 2609 transitions. Word has length 143 [2020-10-27 03:43:42,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:42,644 INFO L481 AbstractCegarLoop]: Abstraction has 2108 states and 2609 transitions. [2020-10-27 03:43:42,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 03:43:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 2609 transitions. [2020-10-27 03:43:42,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-27 03:43:42,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:42,649 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:43:42,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 03:43:42,650 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 03:43:42,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:42,650 INFO L82 PathProgramCache]: Analyzing trace with hash 547775080, now seen corresponding path program 1 times [2020-10-27 03:43:42,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:42,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592765902] [2020-10-27 03:43:42,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:42,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:42,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:42,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 03:43:43,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:43:43,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 629 [2020-10-27 03:43:43,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:43,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 03:43:43,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:43:43,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,648 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:43:43,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:43:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 03:43:43,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:43:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:43,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:43:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:43,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:43:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:43,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 03:43:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:43,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:43,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:43,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:43:43,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:43:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 03:43:43,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:43,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 03:43:43,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:43:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 03:43:43,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 03:43:43,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:43,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 03:43:43,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:43,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 03:43:43,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:43:43,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:43,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 03:43:43,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:43,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:43,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:43:43,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:43,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:43:43,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:43,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:43,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:43,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 03:43:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:43:43,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:43,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:43:43,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:43:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:43,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 03:43:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:43,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 03:43:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:43,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:43,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:43,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:43,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:43,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:43,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:43,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 03:43:43,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592765902] [2020-10-27 03:43:43,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:43:43,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 03:43:43,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461836772] [2020-10-27 03:43:43,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:43:43,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:43:43,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:43:43,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:43:43,996 INFO L87 Difference]: Start difference. First operand 2108 states and 2609 transitions. Second operand 9 states. [2020-10-27 03:43:44,472 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:45,314 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:47,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:47,277 INFO L93 Difference]: Finished difference Result 2487 states and 3102 transitions. [2020-10-27 03:43:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 03:43:47,278 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 128 [2020-10-27 03:43:47,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:47,284 INFO L225 Difference]: With dead ends: 2487 [2020-10-27 03:43:47,284 INFO L226 Difference]: Without dead ends: 1079 [2020-10-27 03:43:47,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-10-27 03:43:47,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2020-10-27 03:43:47,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1023. [2020-10-27 03:43:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1023 states. [2020-10-27 03:43:47,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1240 transitions. [2020-10-27 03:43:47,516 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1240 transitions. Word has length 128 [2020-10-27 03:43:47,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:47,516 INFO L481 AbstractCegarLoop]: Abstraction has 1023 states and 1240 transitions. [2020-10-27 03:43:47,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:43:47,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1240 transitions. [2020-10-27 03:43:47,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 03:43:47,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:47,519 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:43:47,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 03:43:47,520 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 03:43:47,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:47,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1048215887, now seen corresponding path program 1 times [2020-10-27 03:43:47,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:47,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631749369] [2020-10-27 03:43:47,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:47,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:47,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:47,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-27 03:43:47,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:47,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-27 03:43:47,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-27 03:43:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:47,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,111 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:43:48,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:43:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:48,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:43:48,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:43:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:48,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:48,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:43:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:48,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:48,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:48,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:48,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:43:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:48,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:48,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:43:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 03:43:48,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 03:43:48,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:48,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 03:43:48,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:48,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 03:43:48,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:43:48,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 03:43:48,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:48,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:43:48,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:43:48,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:48,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:43:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:48,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:48,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:43:48,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:43:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:48,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:48,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:48,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:43:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:43:48,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:43:48,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:43:48,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:48,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:48,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:48,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:48,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:48,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:48,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 03:43:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:43:48,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:48,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:43:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:48,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:48,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:48,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 03:43:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:48,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:48,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:48,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 03:43:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:43:48,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:43:48,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 03:43:48,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:48,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:43:48,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:48,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:48,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 03:43:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:43:48,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:48,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:48,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:43:48,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 03:43:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:48,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:48,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 03:43:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:48,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:48,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:48,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:48,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:48,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:48,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:48,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:48,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:48,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:48,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 03:43:48,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [631749369] [2020-10-27 03:43:48,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:43:48,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 03:43:48,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366419688] [2020-10-27 03:43:48,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:43:48,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:43:48,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:43:48,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:43:48,455 INFO L87 Difference]: Start difference. First operand 1023 states and 1240 transitions. Second operand 9 states. [2020-10-27 03:43:49,406 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:49,777 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:50,148 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:51,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:51,393 INFO L93 Difference]: Finished difference Result 1854 states and 2347 transitions. [2020-10-27 03:43:51,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 03:43:51,393 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2020-10-27 03:43:51,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:51,399 INFO L225 Difference]: With dead ends: 1854 [2020-10-27 03:43:51,399 INFO L226 Difference]: Without dead ends: 855 [2020-10-27 03:43:51,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:43:51,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-10-27 03:43:51,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 821. [2020-10-27 03:43:51,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-10-27 03:43:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 986 transitions. [2020-10-27 03:43:51,566 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 986 transitions. Word has length 146 [2020-10-27 03:43:51,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:51,566 INFO L481 AbstractCegarLoop]: Abstraction has 821 states and 986 transitions. [2020-10-27 03:43:51,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:43:51,566 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 986 transitions. [2020-10-27 03:43:51,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-27 03:43:51,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:51,571 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:43:51,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 03:43:51,571 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 03:43:51,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:51,572 INFO L82 PathProgramCache]: Analyzing trace with hash -652272778, now seen corresponding path program 1 times [2020-10-27 03:43:51,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:51,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [832099770] [2020-10-27 03:43:51,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 03:43:51,615 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 03:43:51,615 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 03:43:51,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 03:43:51,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:43:51 BoogieIcfgContainer [2020-10-27 03:43:51,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:43:51,653 INFO L168 Benchmark]: Toolchain (without parser) took 85288.42 ms. Allocated memory was 151.0 MB in the beginning and 987.8 MB in the end (delta: 836.8 MB). Free memory was 126.2 MB in the beginning and 515.3 MB in the end (delta: -389.1 MB). Peak memory consumption was 447.8 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:51,654 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:43:51,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.16 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 103.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:51,655 INFO L168 Benchmark]: Boogie Preprocessor took 86.06 ms. Allocated memory is still 151.0 MB. Free memory was 103.7 MB in the beginning and 99.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:51,656 INFO L168 Benchmark]: RCFGBuilder took 1294.33 ms. Allocated memory is still 151.0 MB. Free memory was 99.6 MB in the beginning and 67.0 MB in the end (delta: 32.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:51,657 INFO L168 Benchmark]: TraceAbstraction took 83261.89 ms. Allocated memory was 151.0 MB in the beginning and 987.8 MB in the end (delta: 836.8 MB). Free memory was 66.5 MB in the beginning and 515.3 MB in the end (delta: -448.8 MB). Peak memory consumption was 387.9 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:51,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 632.16 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 103.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.06 ms. Allocated memory is still 151.0 MB. Free memory was 103.7 MB in the beginning and 99.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1294.33 ms. Allocated memory is still 151.0 MB. Free memory was 99.6 MB in the beginning and 67.0 MB in the end (delta: 32.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 83261.89 ms. Allocated memory was 151.0 MB in the beginning and 987.8 MB in the end (delta: 836.8 MB). Free memory was 66.5 MB in the beginning and 515.3 MB in the end (delta: -448.8 MB). Peak memory consumption was 387.9 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; [L221] int pumpRunning = 0; [L222] int systemActive = 1; [L601] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L870] int waterLevel = 1; [L871] int methaneLevelCritical = 0; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L861] int retValue_acc ; [L864] retValue_acc = 1 [L865] return (retValue_acc); [L130] RET, EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L114] CALL test() [L148] int splverifierCounter ; [L149] int tmp ; [L150] int tmp___0 ; [L151] int tmp___1 ; [L152] int tmp___2 ; [L155] splverifierCounter = 0 [L157] COND TRUE 1 [L159] COND TRUE splverifierCounter < 4 [L165] tmp = __VERIFIER_nondet_int() [L167] COND TRUE \read(tmp) [L169] CALL waterRise() [L888] COND TRUE waterLevel < 2 [L889] waterLevel = waterLevel + 1 [L169] RET waterRise() [L175] tmp___0 = __VERIFIER_nondet_int() [L177] COND FALSE !(\read(tmp___0)) [L185] tmp___2 = __VERIFIER_nondet_int() [L187] COND TRUE \read(tmp___2) [L202] CALL timeShift() [L229] COND FALSE !(\read(pumpRunning)) [L236] COND TRUE \read(systemActive) [L238] CALL processEnvironment() [L284] int tmp ; [L287] COND FALSE !(\read(pumpRunning)) [L302] CALL processEnvironment__wrappee__methaneQuery() [L258] int tmp ; [L261] COND TRUE ! pumpRunning [L263] CALL, EXPR isHighWaterLevel() [L398] int retValue_acc ; [L399] int tmp ; [L400] int tmp___0 ; [L404] CALL, EXPR isHighWaterSensorDry() [L950] int retValue_acc ; [L953] COND FALSE !(waterLevel < 2) [L957] retValue_acc = 0 [L958] return (retValue_acc); [L404] RET, EXPR isHighWaterSensorDry() [L404] tmp = isHighWaterSensorDry() [L406] COND FALSE !(\read(tmp)) [L409] tmp___0 = 1 [L411] retValue_acc = tmp___0 [L412] return (retValue_acc); [L263] RET, EXPR isHighWaterLevel() [L263] tmp = isHighWaterLevel() [L265] COND TRUE \read(tmp) [L267] CALL activatePump() [L317] int tmp ; [L321] CALL, EXPR isMethaneAlarm() [L342] int retValue_acc ; [L346] CALL, EXPR isMethaneLevelCritical() [L909] int retValue_acc ; [L912] retValue_acc = methaneLevelCritical [L913] return (retValue_acc); [L346] RET, EXPR isMethaneLevelCritical() [L346] retValue_acc = isMethaneLevelCritical() [L348] return (retValue_acc); [L321] RET, EXPR isMethaneAlarm() [L321] tmp = isMethaneAlarm() [L323] COND FALSE !(\read(tmp)) [L327] CALL activatePump__wrappee__highWaterSensor() [L312] pumpRunning = 1 [L327] RET activatePump__wrappee__highWaterSensor() [L267] RET activatePump() [L302] RET processEnvironment__wrappee__methaneQuery() [L238] RET processEnvironment() [L244] CALL __utac_acc__Specification4_spec__1() [L801] int tmp ; [L802] int tmp___0 ; [L806] CALL, EXPR getWaterLevel() [L941] int retValue_acc ; [L944] retValue_acc = waterLevel [L945] return (retValue_acc); [L806] RET, EXPR getWaterLevel() [L806] tmp = getWaterLevel() [L808] COND FALSE !(tmp == 0) [L244] RET __utac_acc__Specification4_spec__1() [L202] RET timeShift() [L157] COND TRUE 1 [L159] COND TRUE splverifierCounter < 4 [L165] tmp = __VERIFIER_nondet_int() [L167] COND FALSE !(\read(tmp)) [L175] tmp___0 = __VERIFIER_nondet_int() [L177] COND FALSE !(\read(tmp___0)) [L185] tmp___2 = __VERIFIER_nondet_int() [L187] COND TRUE \read(tmp___2) [L202] CALL timeShift() [L229] COND TRUE \read(pumpRunning) [L231] CALL lowerWaterLevel() [L876] COND TRUE waterLevel > 0 [L877] waterLevel = waterLevel - 1 [L231] RET lowerWaterLevel() [L236] COND TRUE \read(systemActive) [L238] CALL processEnvironment() [L284] int tmp ; [L287] COND TRUE \read(pumpRunning) [L289] CALL, EXPR isMethaneAlarm() [L342] int retValue_acc ; [L346] CALL, EXPR isMethaneLevelCritical() [L909] int retValue_acc ; [L912] retValue_acc = methaneLevelCritical [L913] return (retValue_acc); [L346] RET, EXPR isMethaneLevelCritical() [L346] retValue_acc = isMethaneLevelCritical() [L348] return (retValue_acc); [L289] RET, EXPR isMethaneAlarm() [L289] tmp = isMethaneAlarm() [L291] COND FALSE !(\read(tmp)) [L297] CALL processEnvironment__wrappee__methaneQuery() [L258] int tmp ; [L261] COND FALSE !(! pumpRunning) [L276] FCALL processEnvironment__wrappee__base() [L297] RET processEnvironment__wrappee__methaneQuery() [L238] RET processEnvironment() [L244] CALL __utac_acc__Specification4_spec__1() [L801] int tmp ; [L802] int tmp___0 ; [L806] CALL, EXPR getWaterLevel() [L941] int retValue_acc ; [L944] retValue_acc = waterLevel [L945] return (retValue_acc); [L806] RET, EXPR getWaterLevel() [L806] tmp = getWaterLevel() [L808] COND FALSE !(tmp == 0) [L244] RET __utac_acc__Specification4_spec__1() [L202] RET timeShift() [L157] COND TRUE 1 [L159] COND TRUE splverifierCounter < 4 [L165] tmp = __VERIFIER_nondet_int() [L167] COND FALSE !(\read(tmp)) [L175] tmp___0 = __VERIFIER_nondet_int() [L177] COND FALSE !(\read(tmp___0)) [L185] tmp___2 = __VERIFIER_nondet_int() [L187] COND TRUE \read(tmp___2) [L202] CALL timeShift() [L229] COND TRUE \read(pumpRunning) [L231] CALL lowerWaterLevel() [L876] COND TRUE waterLevel > 0 [L877] waterLevel = waterLevel - 1 [L231] RET lowerWaterLevel() [L236] COND TRUE \read(systemActive) [L238] CALL processEnvironment() [L284] int tmp ; [L287] COND TRUE \read(pumpRunning) [L289] CALL, EXPR isMethaneAlarm() [L342] int retValue_acc ; [L346] CALL, EXPR isMethaneLevelCritical() [L909] int retValue_acc ; [L912] retValue_acc = methaneLevelCritical [L913] return (retValue_acc); [L346] RET, EXPR isMethaneLevelCritical() [L346] retValue_acc = isMethaneLevelCritical() [L348] return (retValue_acc); [L289] RET, EXPR isMethaneAlarm() [L289] tmp = isMethaneAlarm() [L291] COND FALSE !(\read(tmp)) [L297] CALL processEnvironment__wrappee__methaneQuery() [L258] int tmp ; [L261] COND FALSE !(! pumpRunning) [L276] FCALL processEnvironment__wrappee__base() [L297] RET processEnvironment__wrappee__methaneQuery() [L238] RET processEnvironment() [L244] CALL __utac_acc__Specification4_spec__1() [L801] int tmp ; [L802] int tmp___0 ; [L806] CALL, EXPR getWaterLevel() [L941] int retValue_acc ; [L944] retValue_acc = waterLevel [L945] return (retValue_acc); [L806] RET, EXPR getWaterLevel() [L806] tmp = getWaterLevel() [L808] COND TRUE tmp == 0 [L810] CALL, EXPR isPumpRunning() [L353] int retValue_acc ; [L356] retValue_acc = pumpRunning [L357] return (retValue_acc); [L810] RET, EXPR isPumpRunning() [L810] tmp___0 = isPumpRunning() [L812] COND TRUE \read(tmp___0) [L814] CALL __automaton_fail() [L830] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product47.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 250 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 83.1s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 47.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1310 SDtfs, 3768 SDslu, 1668 SDs, 0 SdLazy, 8864 SolverSat, 2778 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 283 SyntacticMatches, 3 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 19.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2384occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1176 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 32.4s InterpolantComputationTime, 977 NumberOfCodeBlocks, 977 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 768 ConstructedInterpolants, 0 QuantifiedInterpolants, 295590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 87/91 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...