/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_spec2_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:28:12,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:28:13,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:28:13,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:28:13,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:28:13,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:28:13,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:28:13,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:28:13,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:28:13,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:28:13,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:28:13,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:28:13,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:28:13,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:28:13,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:28:13,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:28:13,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:28:13,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:28:13,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:28:13,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:28:13,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:28:13,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:28:13,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:28:13,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:28:13,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:28:13,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:28:13,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:28:13,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:28:13,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:28:13,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:28:13,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:28:13,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:28:13,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:28:13,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:28:13,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:28:13,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:28:13,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:28:13,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:28:13,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:28:13,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:28:13,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:28:13,109 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 03:28:13,153 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:28:13,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:28:13,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:28:13,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:28:13,155 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:28:13,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:28:13,156 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:28:13,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:28:13,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:28:13,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:28:13,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:28:13,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:28:13,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:28:13,158 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:28:13,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:28:13,159 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:28:13,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:28:13,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:28:13,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:28:13,160 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:28:13,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:28:13,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:28:13,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:28:13,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:28:13,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:28:13,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:28:13,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:28:13,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:28:13,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:28:13,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:28:13,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:28:13,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:28:13,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:28:13,567 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:28:13,567 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:28:13,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product42.cil.c [2020-10-27 03:28:13,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d10b8280c/3af7f15226d14bcfbf077e54577b492b/FLAG92db60c9e [2020-10-27 03:28:14,281 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:28:14,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product42.cil.c [2020-10-27 03:28:14,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d10b8280c/3af7f15226d14bcfbf077e54577b492b/FLAG92db60c9e [2020-10-27 03:28:14,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d10b8280c/3af7f15226d14bcfbf077e54577b492b [2020-10-27 03:28:14,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:28:14,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:28:14,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:28:14,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:28:14,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:28:14,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:28:14" (1/1) ... [2020-10-27 03:28:14,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d4a5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:14, skipping insertion in model container [2020-10-27 03:28:14,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:28:14" (1/1) ... [2020-10-27 03:28:14,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:28:14,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:28:15,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:28:15,034 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:28:15,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:28:15,197 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:28:15,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:15 WrapperNode [2020-10-27 03:28:15,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:28:15,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:28:15,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:28:15,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:28:15,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:15" (1/1) ... [2020-10-27 03:28:15,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:15" (1/1) ... [2020-10-27 03:28:15,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:15" (1/1) ... [2020-10-27 03:28:15,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:15" (1/1) ... [2020-10-27 03:28:15,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:15" (1/1) ... [2020-10-27 03:28:15,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:15" (1/1) ... [2020-10-27 03:28:15,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:15" (1/1) ... [2020-10-27 03:28:15,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:28:15,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:28:15,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:28:15,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:28:15,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:15" (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 03:28:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:28:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:28:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:28:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:28:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:28:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:28:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:28:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:28:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:28:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:28:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:28:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:28:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 03:28:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:28:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:28:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:28:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:28:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:28:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:28:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:28:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 03:28:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 03:28:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 03:28:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 03:28:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:28:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:28:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:28:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:28:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:28:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:28:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:28:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:28:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:28:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:28:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:28:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:28:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:28:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:28:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:28:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:28:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 03:28:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:28:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:28:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:28:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:28:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:28:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:28:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:28:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:28:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:28:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:28:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:28:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:28:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:28:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:28:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:28:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:28:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:28:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:28:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:28:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:28:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:28:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:28:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:28:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 03:28:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:28:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:28:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:28:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:28:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:28:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:28:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 03:28:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:28:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:28:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:28:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:28:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 03:28:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:28:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 03:28:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 03:28:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:28:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:28:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:28:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 03:28:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:28:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:28:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:28:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:28:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:28:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:28:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:28:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:28:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:28:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:28:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:28:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:28:16,934 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:28:16,935 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:28:16,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:28:16 BoogieIcfgContainer [2020-10-27 03:28:16,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:28:16,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:28:16,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:28:16,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:28:16,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:28:14" (1/3) ... [2020-10-27 03:28:16,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1999fb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:28:16, skipping insertion in model container [2020-10-27 03:28:16,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:15" (2/3) ... [2020-10-27 03:28:16,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1999fb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:28:16, skipping insertion in model container [2020-10-27 03:28:16,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:28:16" (3/3) ... [2020-10-27 03:28:16,952 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product42.cil.c [2020-10-27 03:28:16,965 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:28:16,970 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:28:16,985 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:28:17,032 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:28:17,033 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:28:17,033 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:28:17,034 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:28:17,034 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:28:17,035 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:28:17,035 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:28:17,035 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:28:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-10-27 03:28:17,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 03:28:17,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:28:17,086 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 03:28:17,089 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 03:28:17,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:28:17,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1273069439, now seen corresponding path program 1 times [2020-10-27 03:28:17,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:28:17,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561389413] [2020-10-27 03:28:17,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:28:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:17,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:17,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:18,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:19,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:20,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:22,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:22,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 03:28:22,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:28:22,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 03:28:22,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:22,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:28:22,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 03:28:22,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-27 03:28:22,931 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:28:22,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:28:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:22,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:23,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:23,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:23,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:23,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-27 03:28:23,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:28:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:23,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:28:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:23,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:23,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:23,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:23,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:23,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:23,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:23,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:23,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:23,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:23,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:28:23,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:28:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:23,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:23,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:23,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:23,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:23,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:28:23,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:23,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:23,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:28:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:23,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:23,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:23,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:23,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:23,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:23,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:23,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:23,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:28:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:23,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:23,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:23,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:23,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:23,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:23,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:23,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:23,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:23,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:23,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:28:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:23,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:23,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:23,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:23,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:23,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:28:23,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:23,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:28:23,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:28:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:23,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:23,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:23,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:23,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:23,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:28:23,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:28:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:23,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:23,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:28:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:23,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:23,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:23,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:23,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:23,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:23,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:23,245 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 03:28:23,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561389413] [2020-10-27 03:28:23,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:28:23,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 03:28:23,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317516567] [2020-10-27 03:28:23,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:28:23,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:28:23,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:28:23,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:28:23,272 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 8 states. [2020-10-27 03:28:23,965 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:25,195 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:25,711 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:26,122 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:26,844 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:28,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:28:28,355 INFO L93 Difference]: Finished difference Result 406 states and 537 transitions. [2020-10-27 03:28:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 03:28:28,359 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-10-27 03:28:28,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:28:28,374 INFO L225 Difference]: With dead ends: 406 [2020-10-27 03:28:28,375 INFO L226 Difference]: Without dead ends: 256 [2020-10-27 03:28:28,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:28:28,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-10-27 03:28:28,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 206. [2020-10-27 03:28:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-27 03:28:28,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 243 transitions. [2020-10-27 03:28:28,537 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 243 transitions. Word has length 52 [2020-10-27 03:28:28,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:28:28,538 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 243 transitions. [2020-10-27 03:28:28,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:28:28,538 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 243 transitions. [2020-10-27 03:28:28,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 03:28:28,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:28:28,543 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 03:28:28,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:28:28,543 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 03:28:28,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:28:28,544 INFO L82 PathProgramCache]: Analyzing trace with hash -56981823, now seen corresponding path program 1 times [2020-10-27 03:28:28,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:28:28,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [937502263] [2020-10-27 03:28:28,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:28:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:28,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:29,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:29,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:30,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:33,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:33,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 03:28:33,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:28:33,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 03:28:33,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:33,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:28:33,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:33,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 03:28:33,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:33,981 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:28:33,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:28:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:34,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:34,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:34,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:34,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:34,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 03:28:34,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:34,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:34,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:34,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:28:34,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:34,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:28:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:34,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:34,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:34,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:34,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:34,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:34,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:34,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:34,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:28:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:34,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:34,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:34,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:34,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:34,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:34,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:34,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:34,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:34,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:34,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:34,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:28:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:34,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:34,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:34,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:34,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:34,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:34,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:34,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:34,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:34,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:34,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:34,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:28:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:34,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:34,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:34,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:34,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:34,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:34,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:34,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:34,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:28:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:34,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:34,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:34,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:34,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:34,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:34,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:34,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:34,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:28:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:34,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:34,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:34,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:34,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:34,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:34,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:34,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:34,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:34,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:34,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:34,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 03:28:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:34,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:34,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:34,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:34,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:34,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:34,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:34,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:34,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:34,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:34,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:34,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 03:28:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:34,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:34,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:34,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:34,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:34,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:34,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:34,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:34,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:34,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:34,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:34,214 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 03:28:34,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [937502263] [2020-10-27 03:28:34,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:28:34,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 03:28:34,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963570967] [2020-10-27 03:28:34,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 03:28:34,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:28:34,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 03:28:34,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 03:28:34,219 INFO L87 Difference]: Start difference. First operand 206 states and 243 transitions. Second operand 6 states. [2020-10-27 03:28:34,723 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:36,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:28:36,248 INFO L93 Difference]: Finished difference Result 445 states and 563 transitions. [2020-10-27 03:28:36,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 03:28:36,248 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-10-27 03:28:36,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:28:36,253 INFO L225 Difference]: With dead ends: 445 [2020-10-27 03:28:36,253 INFO L226 Difference]: Without dead ends: 267 [2020-10-27 03:28:36,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:28:36,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-10-27 03:28:36,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 206. [2020-10-27 03:28:36,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-27 03:28:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 241 transitions. [2020-10-27 03:28:36,367 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 241 transitions. Word has length 62 [2020-10-27 03:28:36,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:28:36,368 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 241 transitions. [2020-10-27 03:28:36,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 03:28:36,368 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 241 transitions. [2020-10-27 03:28:36,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 03:28:36,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:28:36,381 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] [2020-10-27 03:28:36,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:28:36,386 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 03:28:36,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:28:36,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1187634912, now seen corresponding path program 1 times [2020-10-27 03:28:36,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:28:36,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1159167588] [2020-10-27 03:28:36,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:28:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:36,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:36,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:37,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:37,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:38,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:41,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:41,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 03:28:41,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:28:41,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 03:28:41,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:41,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 03:28:41,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:41,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 03:28:41,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:28:41,861 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:28:41,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:28:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:41,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:41,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:41,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:41,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:41,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 03:28:41,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:41,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:41,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:28:41,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:41,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:28:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:41,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:42,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:42,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:42,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:42,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:42,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:42,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:42,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:28:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:42,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:42,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:42,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:42,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:42,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:42,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:42,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:42,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:28:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:42,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:42,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:42,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:42,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:42,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:42,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:42,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:42,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:28:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:42,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:42,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:42,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:42,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:42,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:42,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:42,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:28:42,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:28:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:42,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:42,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:42,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:42,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:42,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:42,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:42,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:42,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:42,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:28:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:42,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:42,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:42,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:42,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:28:42,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:42,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 03:28:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:42,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:42,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:42,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:28:42,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:42,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:28:42,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:42,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:28:42,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:28:42,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:28:42,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:42,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:28:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:42,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:42,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:42,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:42,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:42,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:28:42,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:42,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:42,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:42,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:42,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:28:42,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 03:28:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:42,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:42,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:42,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:42,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:42,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:42,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:42,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:28:42,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 03:28:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:42,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:42,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:42,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:42,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:42,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:42,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:42,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:42,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:42,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:42,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:42,154 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 03:28:42,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1159167588] [2020-10-27 03:28:42,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:28:42,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 03:28:42,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154221816] [2020-10-27 03:28:42,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:28:42,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:28:42,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:28:42,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:28:42,159 INFO L87 Difference]: Start difference. First operand 206 states and 241 transitions. Second operand 8 states. [2020-10-27 03:28:43,019 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:44,788 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:28:46,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:28:46,427 INFO L93 Difference]: Finished difference Result 655 states and 863 transitions. [2020-10-27 03:28:46,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 03:28:46,428 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 70 [2020-10-27 03:28:46,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:28:46,434 INFO L225 Difference]: With dead ends: 655 [2020-10-27 03:28:46,435 INFO L226 Difference]: Without dead ends: 477 [2020-10-27 03:28:46,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-27 03:28:46,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-10-27 03:28:46,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 354. [2020-10-27 03:28:46,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-10-27 03:28:46,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 417 transitions. [2020-10-27 03:28:46,560 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 417 transitions. Word has length 70 [2020-10-27 03:28:46,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:28:46,561 INFO L481 AbstractCegarLoop]: Abstraction has 354 states and 417 transitions. [2020-10-27 03:28:46,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:28:46,561 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 417 transitions. [2020-10-27 03:28:46,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 03:28:46,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:28:46,563 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] [2020-10-27 03:28:46,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:28:46,564 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 03:28:46,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:28:46,564 INFO L82 PathProgramCache]: Analyzing trace with hash 387012371, now seen corresponding path program 1 times [2020-10-27 03:28:46,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:28:46,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450252061] [2020-10-27 03:28:46,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:28:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:46,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:46,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:46,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:48,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 03:28:50,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:28:50,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4329 [2020-10-27 03:28:50,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:28:50,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:50,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-27 03:28:50,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,319 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:28:51,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:28:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:51,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:51,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:51,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:51,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 03:28:51,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:51,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:51,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:51,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:28:51,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:28:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:51,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:51,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:51,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:51,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:51,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:51,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:51,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:51,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:51,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:28:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:51,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:51,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:51,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:51,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:51,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:51,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:51,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:51,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:51,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:28:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:51,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:51,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:51,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:51,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:51,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:51,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:28:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:51,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:51,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:51,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:51,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:51,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:51,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:51,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:51,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:51,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:28:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:51,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:51,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:51,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:51,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:51,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:51,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:51,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:51,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:51,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:28:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:51,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:51,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:51,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:51,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:28:51,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:51,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:51,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:51,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:51,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 03:28:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:51,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:51,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 03:28:51,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:28:51,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 03:28:51,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:28:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:28:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 03:28:51,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:28:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:51,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:51,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:28:51,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:51,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:28:51,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:51,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:51,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:51,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 03:28:51,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:28:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:51,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:51,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:28:51,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:51,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:51,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:51,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:28:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:51,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:51,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:51,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:51,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:28:51,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:51,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 03:28:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:51,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:51,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:51,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:51,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:51,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:51,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:51,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:51,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:51,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 03:28:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:51,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:51,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:51,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:51,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:51,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:28:51,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:51,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:28:51,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:51,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:51,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:51,732 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 03:28:51,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450252061] [2020-10-27 03:28:51,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:28:51,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:28:51,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180020926] [2020-10-27 03:28:51,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:28:51,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:28:51,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:28:51,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:28:51,736 INFO L87 Difference]: Start difference. First operand 354 states and 417 transitions. Second operand 11 states. [2020-10-27 03:28:52,510 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:54,244 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:28:55,787 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:28:56,179 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:56,663 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 03:28:57,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:28:57,468 INFO L93 Difference]: Finished difference Result 800 states and 1017 transitions. [2020-10-27 03:28:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 03:28:57,468 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2020-10-27 03:28:57,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:28:57,473 INFO L225 Difference]: With dead ends: 800 [2020-10-27 03:28:57,473 INFO L226 Difference]: Without dead ends: 474 [2020-10-27 03:28:57,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2020-10-27 03:28:57,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-10-27 03:28:57,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 353. [2020-10-27 03:28:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-10-27 03:28:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 414 transitions. [2020-10-27 03:28:57,600 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 414 transitions. Word has length 84 [2020-10-27 03:28:57,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:28:57,601 INFO L481 AbstractCegarLoop]: Abstraction has 353 states and 414 transitions. [2020-10-27 03:28:57,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:28:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 414 transitions. [2020-10-27 03:28:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-27 03:28:57,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:28:57,604 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 03:28:57,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:28:57,604 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 03:28:57,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:28:57,605 INFO L82 PathProgramCache]: Analyzing trace with hash -456693501, now seen corresponding path program 1 times [2020-10-27 03:28:57,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:28:57,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694050308] [2020-10-27 03:28:57,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:28:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:57,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:57,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:58,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:01,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:02,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:02,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 03:29:02,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:29:02,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 03:29:02,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:02,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:29:02,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 03:29:02,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 03:29:02,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,033 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:03,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 03:29:03,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:03,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:03,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:03,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:03,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:03,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:03,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:03,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:03,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:29:03,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:29:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:03,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:03,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 03:29:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:29:03,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:03,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 03:29:03,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:03,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 03:29:03,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:03,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:03,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:03,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:03,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:29:03,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:29:03,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:29:03,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:03,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:03,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:03,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:03,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:03,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 03:29:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:03,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:03,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:03,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 03:29:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:03,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:03,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:03,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:03,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:03,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:03,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:03,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:03,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:03,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:03,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:03,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 03:29:03,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694050308] [2020-10-27 03:29:03,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:29:03,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:29:03,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993154265] [2020-10-27 03:29:03,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:29:03,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:03,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:29:03,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:29:03,283 INFO L87 Difference]: Start difference. First operand 353 states and 414 transitions. Second operand 7 states. [2020-10-27 03:29:03,835 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:29:07,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:07,065 INFO L93 Difference]: Finished difference Result 820 states and 1084 transitions. [2020-10-27 03:29:07,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 03:29:07,065 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2020-10-27 03:29:07,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:07,072 INFO L225 Difference]: With dead ends: 820 [2020-10-27 03:29:07,073 INFO L226 Difference]: Without dead ends: 816 [2020-10-27 03:29:07,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:29:07,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2020-10-27 03:29:07,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 603. [2020-10-27 03:29:07,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2020-10-27 03:29:07,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 716 transitions. [2020-10-27 03:29:07,231 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 716 transitions. Word has length 100 [2020-10-27 03:29:07,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:07,232 INFO L481 AbstractCegarLoop]: Abstraction has 603 states and 716 transitions. [2020-10-27 03:29:07,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:29:07,232 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 716 transitions. [2020-10-27 03:29:07,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-27 03:29:07,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:07,236 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:29:07,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:29:07,237 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 03:29:07,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:07,238 INFO L82 PathProgramCache]: Analyzing trace with hash -944321670, now seen corresponding path program 1 times [2020-10-27 03:29:07,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:07,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664016515] [2020-10-27 03:29:07,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:07,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:07,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:07,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:09,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:12,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:12,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 03:29:12,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:29:12,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 03:29:12,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:12,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:29:12,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-27 03:29:12,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 03:29:12,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:12,766 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:12,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:12,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:12,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:12,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:12,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:12,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 03:29:12,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:12,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:12,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:12,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:12,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:12,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:12,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:12,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:12,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:12,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:12,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:12,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:12,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:12,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:12,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:12,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:12,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:12,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:12,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:12,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:12,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:12,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:12,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:12,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:12,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:12,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:12,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:12,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:12,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:12,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:12,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:12,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:12,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:12,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:12,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:12,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:12,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:12,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:12,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:12,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:12,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:12,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:12,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:12,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:12,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:12,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:12,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:12,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:12,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:12,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:12,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:12,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:12,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:12,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:12,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:12,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:12,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:12,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:29:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:12,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:12,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:12,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:12,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:12,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:12,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:12,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:12,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:12,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:29:12,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:12,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:29:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:12,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:12,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 03:29:13,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:29:13,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 461 [2020-10-27 03:29:13,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:29:13,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 03:29:13,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:29:13,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:29:13,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 03:29:13,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:29:13,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 03:29:13,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:29:13,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:13,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:29:13,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:13,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:29:13,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:13,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:29:13,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:13,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:29:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:29:13,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:13,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:29:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:29:13,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:13,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 03:29:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:29:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 03:29:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:13,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 03:29:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:29:13,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:29:13,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:13,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:13,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:13,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 03:29:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 03:29:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:13,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:13,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:13,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:13,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:13,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:13,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 03:29:13,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664016515] [2020-10-27 03:29:13,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:29:13,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 03:29:13,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099129829] [2020-10-27 03:29:13,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 03:29:13,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:13,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 03:29:13,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:29:13,735 INFO L87 Difference]: Start difference. First operand 603 states and 716 transitions. Second operand 13 states. [2020-10-27 03:29:15,074 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:29:15,675 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:16,071 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:29:16,488 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:16,876 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:29:17,252 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 03:29:17,648 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 03:29:18,093 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:29:18,508 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 03:29:22,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:22,589 INFO L93 Difference]: Finished difference Result 1516 states and 2118 transitions. [2020-10-27 03:29:22,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-27 03:29:22,590 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 143 [2020-10-27 03:29:22,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:22,598 INFO L225 Difference]: With dead ends: 1516 [2020-10-27 03:29:22,599 INFO L226 Difference]: Without dead ends: 941 [2020-10-27 03:29:22,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=424, Invalid=1216, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 03:29:22,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-27 03:29:22,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 621. [2020-10-27 03:29:22,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-27 03:29:22,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 729 transitions. [2020-10-27 03:29:22,800 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 729 transitions. Word has length 143 [2020-10-27 03:29:22,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:22,800 INFO L481 AbstractCegarLoop]: Abstraction has 621 states and 729 transitions. [2020-10-27 03:29:22,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 03:29:22,801 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 729 transitions. [2020-10-27 03:29:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 03:29:22,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:22,805 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:29:22,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 03:29:22,805 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 03:29:22,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:22,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1047914724, now seen corresponding path program 1 times [2020-10-27 03:29:22,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:22,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192275258] [2020-10-27 03:29:22,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:22,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:22,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:22,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:22,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:23,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:26,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:27,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:27,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 03:29:27,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:29:27,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 03:29:27,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 03:29:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 03:29:27,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,264 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:28,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:28,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 03:29:28,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:28,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:28,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:28,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:28,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:28,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:28,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:28,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:28,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:28,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:28,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:29:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:28,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:28,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:28,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:29:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 03:29:28,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:29:28,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 450 [2020-10-27 03:29:28,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:28,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 03:29:28,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:29:28,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:28,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 03:29:28,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:28,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:28,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:29:28,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:28,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:28,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:29:28,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:28,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:29:28,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:28,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:28,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:28,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:28,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:28,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:29:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:29:28,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:28,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:28,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:28,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:28,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:29:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:28,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:28,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:28,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:28,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:28,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:28,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:28,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:28,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:28,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:28,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:29,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:29:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:29,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:29,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:29,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:29,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:29,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:29,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:29,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:29,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 03:29:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:29,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:29,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:29,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:29:29,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:29,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:29,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:29,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:29,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:29:29,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:29,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:29,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:29,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:29,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:29,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:29,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:29,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:29,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:29,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:29,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:29,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:29,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:29,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 03:29:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:29,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:29,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:29,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:29,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:29,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:29,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:29,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:29,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:29,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:29,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:29,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 03:29:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:29,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:29,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:29,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:29,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:29,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:29,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:29,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:29,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:29,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:29,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:29,056 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 03:29:29,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192275258] [2020-10-27 03:29:29,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:29:29,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 03:29:29,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125765540] [2020-10-27 03:29:29,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:29:29,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:29,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:29:29,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:29:29,063 INFO L87 Difference]: Start difference. First operand 621 states and 729 transitions. Second operand 9 states. [2020-10-27 03:29:29,896 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:32,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:32,469 INFO L93 Difference]: Finished difference Result 1145 states and 1496 transitions. [2020-10-27 03:29:32,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 03:29:32,470 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 138 [2020-10-27 03:29:32,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:32,476 INFO L225 Difference]: With dead ends: 1145 [2020-10-27 03:29:32,476 INFO L226 Difference]: Without dead ends: 855 [2020-10-27 03:29:32,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2020-10-27 03:29:32,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-10-27 03:29:32,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 578. [2020-10-27 03:29:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-10-27 03:29:32,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 653 transitions. [2020-10-27 03:29:32,614 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 653 transitions. Word has length 138 [2020-10-27 03:29:32,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:32,615 INFO L481 AbstractCegarLoop]: Abstraction has 578 states and 653 transitions. [2020-10-27 03:29:32,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:29:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 653 transitions. [2020-10-27 03:29:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-27 03:29:32,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:32,618 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:29:32,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 03:29:32,618 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 03:29:32,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:32,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1939015368, now seen corresponding path program 1 times [2020-10-27 03:29:32,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:32,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243494237] [2020-10-27 03:29:32,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:32,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:32,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:32,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:34,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 03:29:37,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:29:37,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4423 [2020-10-27 03:29:37,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:29:37,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-27 03:29:37,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 03:29:37,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,450 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:37,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:37,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 03:29:37,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:37,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:37,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:37,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:37,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:37,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:37,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:37,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:37,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:37,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:37,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:37,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:37,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:37,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:37,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:37,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:29:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:37,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:37,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:37,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:37,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:29:37,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:29:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 03:29:37,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:29:37,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-27 03:29:37,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 03:29:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:37,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:29:37,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:29:37,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:37,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:29:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:37,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:37,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:29:37,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:37,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:29:37,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:37,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:37,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:37,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:29:37,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:37,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:37,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:29:37,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:37,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:29:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:29:37,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:37,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:37,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:37,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:37,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:37,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:37,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:37,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:29:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:29:37,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:37,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 03:29:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:37,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:37,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:29:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:37,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:37,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 03:29:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:37,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:37,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:37,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:37,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:37,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:37,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:37,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 03:29:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:37,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:29:38,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:38,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:29:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:38,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:38,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 03:29:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:38,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:38,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 03:29:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:38,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:38,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 03:29:38,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243494237] [2020-10-27 03:29:38,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:29:38,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 03:29:38,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987574226] [2020-10-27 03:29:38,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 03:29:38,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:38,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 03:29:38,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:29:38,047 INFO L87 Difference]: Start difference. First operand 578 states and 653 transitions. Second operand 12 states. [2020-10-27 03:29:39,722 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:29:40,272 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:40,706 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:41,130 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:41,546 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:42,003 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:42,420 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:45,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:45,971 INFO L93 Difference]: Finished difference Result 1433 states and 1882 transitions. [2020-10-27 03:29:45,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-27 03:29:45,972 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 143 [2020-10-27 03:29:45,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:45,979 INFO L225 Difference]: With dead ends: 1433 [2020-10-27 03:29:45,980 INFO L226 Difference]: Without dead ends: 883 [2020-10-27 03:29:45,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=356, Invalid=976, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 03:29:45,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-27 03:29:46,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 594. [2020-10-27 03:29:46,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-10-27 03:29:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 669 transitions. [2020-10-27 03:29:46,116 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 669 transitions. Word has length 143 [2020-10-27 03:29:46,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:46,116 INFO L481 AbstractCegarLoop]: Abstraction has 594 states and 669 transitions. [2020-10-27 03:29:46,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 03:29:46,116 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 669 transitions. [2020-10-27 03:29:46,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-27 03:29:46,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:46,119 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:29:46,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 03:29:46,120 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 03:29:46,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:46,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1953265513, now seen corresponding path program 1 times [2020-10-27 03:29:46,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:46,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144112051] [2020-10-27 03:29:46,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:46,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:46,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:46,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:48,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 03:29:51,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:29:51,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 03:29:51,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:29:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 03:29:51,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,554 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:51,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:51,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 03:29:51,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:51,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:29:51,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:51,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:51,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:51,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:29:51,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:51,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:51,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:51,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:29:51,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:51,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:51,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:51,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:51,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:51,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:51,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:51,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:29:51,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:51,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:51,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:51,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:29:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:51,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:51,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:51,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:29:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 03:29:51,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:51,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 03:29:51,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:51,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:29:51,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 03:29:51,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:29:51,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:29:51,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:29:51,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 03:29:51,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:51,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:51,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:29:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:51,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:51,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:29:51,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:29:51,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:29:51,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:29:51,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:29:51,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:51,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:51,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:51,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:51,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:51,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:51,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:51,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:29:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:29:51,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:29:51,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 03:29:51,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:51,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:51,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:51,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:51,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:29:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:51,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:51,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:51,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:51,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:51,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:51,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:51,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:51,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 03:29:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:52,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:52,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:52,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:52,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:52,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:52,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:52,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:52,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 03:29:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:52,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:52,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:52,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:29:52,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:52,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:52,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:52,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:52,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:29:52,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:52,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:52,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:52,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:52,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:52,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:52,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:52,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:52,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:52,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:52,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:52,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 03:29:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:52,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:52,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:52,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:52,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:52,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:52,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:52,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:52,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 03:29:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:52,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:52,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:52,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:52,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:52,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:52,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:52,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 03:29:52,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144112051] [2020-10-27 03:29:52,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:29:52,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 03:29:52,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741798397] [2020-10-27 03:29:52,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 03:29:52,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:52,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 03:29:52,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:29:52,053 INFO L87 Difference]: Start difference. First operand 594 states and 669 transitions. Second operand 12 states. [2020-10-27 03:29:52,719 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:29:53,990 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-27 03:29:56,689 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:57,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:57,911 INFO L93 Difference]: Finished difference Result 1848 states and 2289 transitions. [2020-10-27 03:29:57,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-27 03:29:57,912 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 143 [2020-10-27 03:29:57,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:57,922 INFO L225 Difference]: With dead ends: 1848 [2020-10-27 03:29:57,922 INFO L226 Difference]: Without dead ends: 1282 [2020-10-27 03:29:57,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=300, Invalid=960, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 03:29:57,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2020-10-27 03:29:58,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1128. [2020-10-27 03:29:58,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1128 states. [2020-10-27 03:29:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1299 transitions. [2020-10-27 03:29:58,234 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1299 transitions. Word has length 143 [2020-10-27 03:29:58,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:58,234 INFO L481 AbstractCegarLoop]: Abstraction has 1128 states and 1299 transitions. [2020-10-27 03:29:58,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 03:29:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1299 transitions. [2020-10-27 03:29:58,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-27 03:29:58,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:58,238 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:29:58,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 03:29:58,238 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:29:58,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:58,239 INFO L82 PathProgramCache]: Analyzing trace with hash -922036803, now seen corresponding path program 1 times [2020-10-27 03:29:58,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:58,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272900646] [2020-10-27 03:29:58,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:58,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:58,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:58,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:00,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:00,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-27 03:30:00,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:30:00,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2693 [2020-10-27 03:30:00,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:00,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:30:00,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 03:30:00,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 03:30:00,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,323 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:30:01,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:30:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 03:30:01,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:30:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:30:01,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:30:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:30:01,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:30:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:30:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:30:01,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:30:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:01,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:30:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:01,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:30:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:01,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:01,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:30:01,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 03:30:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 03:30:01,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:30:01,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 03:30:01,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:30:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 03:30:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 03:30:01,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:30:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:30:01,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:30:01,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:30:01,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 03:30:01,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:30:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:30:01,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:01,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:30:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:30:01,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:30:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:30:01,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:30:01,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:30:01,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 03:30:01,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:30:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:30:01,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:30:01,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:30:01,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:30:01,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:30:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:30:01,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:30:01,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:30:01,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:30:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:30:01,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:30:01,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:30:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:30:01,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:30:01,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:30:01,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:30:01,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 03:30:01,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:30:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:01,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:30:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:30:01,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:30:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:01,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:01,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:30:01,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 03:30:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:30:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 03:30:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:30:01,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:30:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:30:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:30:01,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 03:30:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:30:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 03:30:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:30:01,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,932 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 03:30:01,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272900646] [2020-10-27 03:30:01,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:30:01,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 03:30:01,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958621046] [2020-10-27 03:30:01,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 03:30:01,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:30:01,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 03:30:01,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:30:01,934 INFO L87 Difference]: Start difference. First operand 1128 states and 1299 transitions. Second operand 18 states. [2020-10-27 03:30:02,661 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:30:03,727 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:30:05,006 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:30:05,459 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:30:05,884 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:30:06,310 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:30:06,791 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:30:07,611 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-27 03:30:08,023 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:30:08,828 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-27 03:30:09,783 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2020-10-27 03:30:10,702 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2020-10-27 03:30:13,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:30:13,158 INFO L93 Difference]: Finished difference Result 2304 states and 2777 transitions. [2020-10-27 03:30:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-27 03:30:13,159 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 147 [2020-10-27 03:30:13,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:30:13,166 INFO L225 Difference]: With dead ends: 2304 [2020-10-27 03:30:13,167 INFO L226 Difference]: Without dead ends: 1204 [2020-10-27 03:30:13,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=527, Invalid=1923, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 03:30:13,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2020-10-27 03:30:13,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1058. [2020-10-27 03:30:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-10-27 03:30:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1197 transitions. [2020-10-27 03:30:13,518 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1197 transitions. Word has length 147 [2020-10-27 03:30:13,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:30:13,519 INFO L481 AbstractCegarLoop]: Abstraction has 1058 states and 1197 transitions. [2020-10-27 03:30:13,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 03:30:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1197 transitions. [2020-10-27 03:30:13,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-27 03:30:13,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:30:13,524 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:30:13,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 03:30:13,525 INFO L429 AbstractCegarLoop]: === Iteration 11 === [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 03:30:13,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:30:13,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1149311340, now seen corresponding path program 1 times [2020-10-27 03:30:13,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:30:13,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236479854] [2020-10-27 03:30:13,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:30:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 03:30:13,574 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 03:30:13,575 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 03:30:13,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 03:30:13,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:30:13 BoogieIcfgContainer [2020-10-27 03:30:13,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:30:13,645 INFO L168 Benchmark]: Toolchain (without parser) took 119038.27 ms. Allocated memory was 154.1 MB in the beginning and 813.7 MB in the end (delta: 659.6 MB). Free memory was 128.0 MB in the beginning and 688.7 MB in the end (delta: -560.8 MB). Peak memory consumption was 99.7 MB. Max. memory is 8.0 GB. [2020-10-27 03:30:13,645 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 154.1 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:30:13,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.08 ms. Allocated memory is still 154.1 MB. Free memory was 127.3 MB in the beginning and 106.1 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:30:13,647 INFO L168 Benchmark]: Boogie Preprocessor took 101.16 ms. Allocated memory is still 154.1 MB. Free memory was 106.1 MB in the beginning and 102.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 03:30:13,647 INFO L168 Benchmark]: RCFGBuilder took 1636.83 ms. Allocated memory was 154.1 MB in the beginning and 206.6 MB in the end (delta: 52.4 MB). Free memory was 102.2 MB in the beginning and 185.6 MB in the end (delta: -83.5 MB). Peak memory consumption was 56.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:30:13,649 INFO L168 Benchmark]: TraceAbstraction took 116693.18 ms. Allocated memory was 206.6 MB in the beginning and 813.7 MB in the end (delta: 607.1 MB). Free memory was 185.6 MB in the beginning and 688.7 MB in the end (delta: -503.1 MB). Peak memory consumption was 104.6 MB. Max. memory is 8.0 GB. [2020-10-27 03:30:13,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 154.1 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 590.08 ms. Allocated memory is still 154.1 MB. Free memory was 127.3 MB in the beginning and 106.1 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 101.16 ms. Allocated memory is still 154.1 MB. Free memory was 106.1 MB in the beginning and 102.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1636.83 ms. Allocated memory was 154.1 MB in the beginning and 206.6 MB in the end (delta: 52.4 MB). Free memory was 102.2 MB in the beginning and 185.6 MB in the end (delta: -83.5 MB). Peak memory consumption was 56.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 116693.18 ms. Allocated memory was 206.6 MB in the beginning and 813.7 MB in the end (delta: 607.1 MB). Free memory was 185.6 MB in the beginning and 688.7 MB in the end (delta: -503.1 MB). Peak memory consumption was 104.6 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: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L488] int pumpRunning = 0; [L489] int systemActive = 1; [L668] int methAndRunningLastTime ; [L745] int cleanupTimeShifts = 4; [L852] int waterLevel = 1; [L853] int methaneLevelCritical = 0; [L819] int retValue_acc ; [L820] int tmp ; [L824] FCALL select_helpers() [L825] FCALL select_features() [L826] CALL, EXPR valid_product() [L736] int retValue_acc ; [L739] retValue_acc = 1 [L740] return (retValue_acc); [L826] RET, EXPR valid_product() [L826] tmp = valid_product() [L828] COND TRUE \read(tmp) [L830] FCALL setup() [L831] CALL runTest() [L812] CALL __utac_acc__Specification2_spec__1() [L673] methAndRunningLastTime = 0 [L812] RET __utac_acc__Specification2_spec__1() [L813] CALL test() [L414] int splverifierCounter ; [L415] int tmp ; [L416] int tmp___0 ; [L417] int tmp___1 ; [L418] int tmp___2 ; [L421] splverifierCounter = 0 [L423] COND TRUE 1 [L425] COND TRUE splverifierCounter < 4 [L431] tmp = __VERIFIER_nondet_int() [L433] COND TRUE \read(tmp) [L435] CALL waterRise() [L870] COND TRUE waterLevel < 2 [L871] waterLevel = waterLevel + 1 [L435] RET waterRise() [L441] tmp___0 = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp___0)) [L451] tmp___2 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___2)) [L459] tmp___1 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___1)) [L468] CALL timeShift() [L496] COND FALSE !(\read(pumpRunning)) [L503] COND TRUE \read(systemActive) [L505] CALL processEnvironment() [L525] int tmp ; [L528] COND TRUE ! pumpRunning [L530] CALL, EXPR isHighWaterLevel() [L640] int retValue_acc ; [L641] int tmp ; [L642] int tmp___0 ; [L646] CALL, EXPR isHighWaterSensorDry() [L932] int retValue_acc ; [L935] COND FALSE !(waterLevel < 2) [L939] retValue_acc = 0 [L940] return (retValue_acc); [L646] RET, EXPR isHighWaterSensorDry() [L646] tmp = isHighWaterSensorDry() [L648] COND FALSE !(\read(tmp)) [L651] tmp___0 = 1 [L653] retValue_acc = tmp___0 [L654] return (retValue_acc); [L530] RET, EXPR isHighWaterLevel() [L530] tmp = isHighWaterLevel() [L532] COND TRUE \read(tmp) [L534] CALL activatePump() [L559] int tmp ; [L563] CALL, EXPR isMethaneAlarm() [L584] int retValue_acc ; [L588] CALL, EXPR isMethaneLevelCritical() [L891] int retValue_acc ; [L894] retValue_acc = methaneLevelCritical [L895] return (retValue_acc); [L588] RET, EXPR isMethaneLevelCritical() [L588] retValue_acc = isMethaneLevelCritical() [L590] return (retValue_acc); [L563] RET, EXPR isMethaneAlarm() [L563] tmp = isMethaneAlarm() [L565] COND FALSE !(\read(tmp)) [L569] CALL activatePump__wrappee__highWaterSensor() [L553] pumpRunning = 1 [L569] RET activatePump__wrappee__highWaterSensor() [L534] RET activatePump() [L505] RET processEnvironment() [L511] CALL __utac_acc__Specification2_spec__2() [L678] int tmp ; [L679] int tmp___0 ; [L683] CALL, EXPR isMethaneLevelCritical() [L891] int retValue_acc ; [L894] retValue_acc = methaneLevelCritical [L895] return (retValue_acc); [L683] RET, EXPR isMethaneLevelCritical() [L683] tmp = isMethaneLevelCritical() [L685] COND FALSE !(\read(tmp)) [L701] methAndRunningLastTime = 0 [L511] RET __utac_acc__Specification2_spec__2() [L468] RET timeShift() [L423] COND TRUE 1 [L425] COND TRUE splverifierCounter < 4 [L431] tmp = __VERIFIER_nondet_int() [L433] COND FALSE !(\read(tmp)) [L441] tmp___0 = __VERIFIER_nondet_int() [L443] COND TRUE \read(tmp___0) [L445] CALL changeMethaneLevel() [L882] COND FALSE !(\read(methaneLevelCritical)) [L885] methaneLevelCritical = 1 [L445] RET changeMethaneLevel() [L451] tmp___2 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___2)) [L459] tmp___1 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___1)) [L468] CALL timeShift() [L496] COND TRUE \read(pumpRunning) [L498] CALL lowerWaterLevel() [L858] COND TRUE waterLevel > 0 [L859] waterLevel = waterLevel - 1 [L498] RET lowerWaterLevel() [L503] COND TRUE \read(systemActive) [L505] CALL processEnvironment() [L525] int tmp ; [L528] COND FALSE !(! pumpRunning) [L543] FCALL processEnvironment__wrappee__base() [L505] RET processEnvironment() [L511] CALL __utac_acc__Specification2_spec__2() [L678] int tmp ; [L679] int tmp___0 ; [L683] CALL, EXPR isMethaneLevelCritical() [L891] int retValue_acc ; [L894] retValue_acc = methaneLevelCritical [L895] return (retValue_acc); [L683] RET, EXPR isMethaneLevelCritical() [L683] tmp = isMethaneLevelCritical() [L685] COND TRUE \read(tmp) [L687] CALL, EXPR isPumpRunning() [L595] int retValue_acc ; [L598] retValue_acc = pumpRunning [L599] return (retValue_acc); [L687] RET, EXPR isPumpRunning() [L687] tmp___0 = isPumpRunning() [L689] COND TRUE \read(tmp___0) [L690] COND FALSE !(\read(methAndRunningLastTime)) [L695] methAndRunningLastTime = 1 [L511] RET __utac_acc__Specification2_spec__2() [L468] RET timeShift() [L423] COND TRUE 1 [L425] COND TRUE splverifierCounter < 4 [L431] tmp = __VERIFIER_nondet_int() [L433] COND FALSE !(\read(tmp)) [L441] tmp___0 = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp___0)) [L451] tmp___2 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___2)) [L459] tmp___1 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___1)) [L468] CALL timeShift() [L496] COND TRUE \read(pumpRunning) [L498] CALL lowerWaterLevel() [L858] COND TRUE waterLevel > 0 [L859] waterLevel = waterLevel - 1 [L498] RET lowerWaterLevel() [L503] COND TRUE \read(systemActive) [L505] CALL processEnvironment() [L525] int tmp ; [L528] COND FALSE !(! pumpRunning) [L543] FCALL processEnvironment__wrappee__base() [L505] RET processEnvironment() [L511] CALL __utac_acc__Specification2_spec__2() [L678] int tmp ; [L679] int tmp___0 ; [L683] CALL, EXPR isMethaneLevelCritical() [L891] int retValue_acc ; [L894] retValue_acc = methaneLevelCritical [L895] return (retValue_acc); [L683] RET, EXPR isMethaneLevelCritical() [L683] tmp = isMethaneLevelCritical() [L685] COND TRUE \read(tmp) [L687] CALL, EXPR isPumpRunning() [L595] int retValue_acc ; [L598] retValue_acc = pumpRunning [L599] return (retValue_acc); [L687] RET, EXPR isPumpRunning() [L687] tmp___0 = isPumpRunning() [L689] COND TRUE \read(tmp___0) [L690] COND TRUE \read(methAndRunningLastTime) [L692] CALL __automaton_fail() [L846] CALL reach_error() [L3] __assert_fail("0", "minepump_spec2_product42.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 243 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 116.5s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 58.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1454 SDtfs, 4126 SDslu, 2255 SDs, 0 SdLazy, 10036 SolverSat, 3120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 674 GetRequests, 408 SyntacticMatches, 4 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2216 ImplicationChecksByTransitivity, 26.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1128occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 1754 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 55.4s InterpolantComputationTime, 1265 NumberOfCodeBlocks, 1265 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1072 ConstructedInterpolants, 0 QuantifiedInterpolants, 444394 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 173/185 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...